diff --git a/.github/workflows/Build_wheels_for_cpython27_armhf.yml b/.github/workflows/Build_wheels_for_cpython27_armhf.yml
deleted file mode 100644
index 60e71711b..000000000
--- a/.github/workflows/Build_wheels_for_cpython27_armhf.yml
+++ /dev/null
@@ -1,171 +0,0 @@
-name: Build wheels for CPython2.7 armhf on Ubuntu18
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: armhf
-            tag_arch: armhf
-            release: bionic
-            mirror: http://ports.ubuntu.com/ubuntu-ports
-            version: 1.5.6.4
-           # pyver: "2.7"
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pypkg: python2.7
-            pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          false && echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-${{matrix.os.version}}.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-${{matrix.os.version}} && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/ && ldd /zstd-${{matrix.os.version}}/build/*/zstd.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-${{matrix.os.version}} && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-${{matrix.os.version}}/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-${{matrix.os.version}}-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-${{matrix.os.version}}-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-           sudo rm -vf ./dist/*.tar.gz
-
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
diff --git a/.github/workflows/Build_wheels_for_cpython27_x86.yml b/.github/workflows/Build_wheels_for_cpython27_x86.yml
deleted file mode 100644
index cad594e8e..000000000
--- a/.github/workflows/Build_wheels_for_cpython27_x86.yml
+++ /dev/null
@@ -1,178 +0,0 @@
-name: Build wheels for CPython2.7 x86 on Ubuntu18 with GCC-7 with All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+18 i386 CPython 2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: bionic
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "2.7"
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pypkg: python2.7
-            pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          echo "# deb [trusted=yes] http://apt.llvm.org/${{matrix.os.release}}/ llvm-toolchain-${{matrix.os.release}}-20 main " > clang.list
-          
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt-cache madison clang-18
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          echo "$version"
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo CLANG
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} clang-20 -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && _CC=clang-20 ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_WERRORS=1 _ZSTD_SMALL=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=1 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          version=`cat version`
-          echo version=$version
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ ; echo LLH; ls -lh build/*/zstd.so; echo LDD; ldd build/*/zstd.so;echo FILE; file build/*/zstd.so; echo LIBC; bash ./glibc-check.sh build/*/zstd.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           echo version=$version
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
diff --git a/.github/workflows/Build_wheels_for_cpython27_x86_64.yml b/.github/workflows/Build_wheels_for_cpython27_x86_64.yml
deleted file mode 100644
index 2d216ce3e..000000000
--- a/.github/workflows/Build_wheels_for_cpython27_x86_64.yml
+++ /dev/null
@@ -1,178 +0,0 @@
-name: Build wheels for CPython2.7 x64 on Ubuntu18 with GCC-7 with All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: bionic
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "2.7"
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pypkg: python2.7
-            pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y  debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/toolchain ubuntu-${{matrix.os.release}} main" > rusoft-toolchain.list
-          echo "# deb [trusted=yes] http://apt.llvm.org/${{matrix.os.release}}/ llvm-toolchain-${{matrix.os.release}}-16 main " > clang.list
-          echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC-7
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc-7 -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && CC=gcc-7 ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_WERRORS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=1 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          version=`cat version`
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.so; ldd build/*/zstd.so ; file build/*/zstd.so; bash ./glibc-check.sh build/*/zstd.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-           
-
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
diff --git a/.github/workflows/Build_wheels_for_cpython310_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython310_x86_64_u24.yml
deleted file mode 100644
index ee30aef2f..000000000
--- a/.github/workflows/Build_wheels_for_cpython310_x86_64_u24.yml
+++ /dev/null
@@ -1,169 +0,0 @@
-name: Build wheels for CPython3.10 x86_64 on Ubuntu16 withb GCC-13
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 16 amd64 CPython 3.10
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial 
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.10
-            pypkgadd: python3.10-distutils
-            pyengine_tag: cp310-cp310
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install --no-install-recommends -y libzstd-dev file gcc-13
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          version=`cat version`
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; echo LLH; ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython310_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython310_x86_u16.yml
deleted file mode 100644
index c05072b8b..000000000
--- a/.github/workflows/Build_wheels_for_cpython310_x86_u16.yml
+++ /dev/null
@@ -1,169 +0,0 @@
-name: Build wheels for CPython3.10 x86 on Ubuntu16 with GCC-13
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.10
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.10
-            pypkgadd: python3.10-distutils
-            pyengine_tag: cp310-cp310
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install --no-install-recommends -y libzstd-dev gcc-13 file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          version=`cat version`
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython311_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython311_x86_64_u24.yml
deleted file mode 100644
index b60de1c77..000000000
--- a/.github/workflows/Build_wheels_for_cpython311_x86_64_u24.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.11 x86_64 on Ubuntu16 with GCC-14
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 16 amd64 CPython 3.11
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.11
-            pypkgadd: python3.11-distutils
-            pyengine_tag: cp311-cp311
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install --no-install-recommends -y libzstd-dev file gcc-14
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; echo LLH; ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython311_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython311_x86_u16.yml
deleted file mode 100644
index 77eae0b4d..000000000
--- a/.github/workflows/Build_wheels_for_cpython311_x86_u16.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.11 x86 on Ubuntu16 with GCC-14
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.11
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.11
-            pypkgadd: python3.11-distutils
-            pyengine_tag: cp311-cp311
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install --no-install-recommends -y libzstd-dev file gcc-14
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython312_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython312_x86_64_u24.yml
deleted file mode 100644
index ddf628254..000000000
--- a/.github/workflows/Build_wheels_for_cpython312_x86_64_u24.yml
+++ /dev/null
@@ -1,176 +0,0 @@
-name: Build wheels for CPython3.12 x64 on Ubuntu16 with GCC-14 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.12
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.12
-            #pypkgadd: 
-            pyengine_tag: cp312-cp312
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo "# deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/toolchain ubuntu-${{matrix.os.release}} main" > rusoft-toolchain.list
-          echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d -iname '*.list'
-          sudo cat ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d/*.list
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file gcc-14 g++-14
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "echo ${{matrix.os.pypkg}} get-pip.py --break-system-packages --root-user-action ignore"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} get-pip.py --break-system-packages --root-user-action ignore"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72' --break-system-packages  --root-user-action ignore"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'pytest' --break-system-packages  --root-user-action ignore"
-           
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC-14
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc-14.3 -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && _CC=gcc-5 _ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 _ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-${version}/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
- 
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython312_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython312_x86_u16.yml
deleted file mode 100644
index df81c7d7e..000000000
--- a/.github/workflows/Build_wheels_for_cpython312_x86_u16.yml
+++ /dev/null
@@ -1,167 +0,0 @@
-name: Build wheels for CPython3.12 x86 on Ubuntu16 with GCC-14
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.12
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.12
-            pyengine_tag: cp312-cp312
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          false && echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev gcc-14 g++-14
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython313_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython313_x86_64_u24.yml
deleted file mode 100644
index 438aa95e9..000000000
--- a/.github/workflows/Build_wheels_for_cpython313_x86_64_u24.yml
+++ /dev/null
@@ -1,172 +0,0 @@
-name: Build wheels for CPython3.13 x86_64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 20 amd64 CPython 3.13
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.13
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp313-cp313
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython313_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython313_x86_u16.yml
deleted file mode 100644
index 5b8aa869d..000000000
--- a/.github/workflows/Build_wheels_for_cpython313_x86_u16.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.13 x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 x86 CPython 3.13
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.13
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp313-cp313
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt update;
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython313t_x64_u16.yml b/.github/workflows/Build_wheels_for_cpython313t_x64_u16.yml
deleted file mode 100644
index ae5823b7b..000000000
--- a/.github/workflows/Build_wheels_for_cpython313t_x64_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.13-nogil x64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.13-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.13-nogil
-            pypkgdev: python3.13-dev
-            pypkgexe: python3.13t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp313-cp313t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'" 
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkgexe}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython313t_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython313t_x86_u16.yml
deleted file mode 100644
index 5f11f4bda..000000000
--- a/.github/workflows/Build_wheels_for_cpython313t_x86_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.13-nogil x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.13-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.13-nogil
-            pypkgdev: python3.13-dev
-            pypkgexe: python3.13t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp313-cp313t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'" 
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkgexe}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython314_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython314_x86_64_u24.yml
deleted file mode 100644
index d7586b97e..000000000
--- a/.github/workflows/Build_wheels_for_cpython314_x86_64_u24.yml
+++ /dev/null
@@ -1,171 +0,0 @@
-name: Build wheels for CPython3.14 x86_64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.14
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.14
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp314-cp314
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 LDFLAGS='-Wl,--as-needed -Wl,-s' _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython314_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython314_x86_u16.yml
deleted file mode 100644
index fdba61d57..000000000
--- a/.github/workflows/Build_wheels_for_cpython314_x86_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for CPython3.14 x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 x86 CPython 3.14
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.14
-            pyengine_tag: cp314-cp314
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 LDFLAGS='-Wl,--as-needed -Wl,-s' _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython314t_x64_u16.yml b/.github/workflows/Build_wheels_for_cpython314t_x64_u16.yml
deleted file mode 100644
index 36f8d5f2a..000000000
--- a/.github/workflows/Build_wheels_for_cpython314t_x64_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.14-nogil x64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.14-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.14-nogil
-            pypkgdev: python3.14-dev
-            pypkgexe: python3.14t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp314-cp314t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'"
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython314t_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython314t_x86_u16.yml
deleted file mode 100644
index 292be65e4..000000000
--- a/.github/workflows/Build_wheels_for_cpython314t_x86_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.14-nogil x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.14-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.14-nogil
-            pypkgdev: python3.14-dev
-            pypkgexe: python3.14t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp314-cp314t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'"
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython315_x86_64_u16.yml b/.github/workflows/Build_wheels_for_cpython315_x86_64_u16.yml
deleted file mode 100644
index 975c02988..000000000
--- a/.github/workflows/Build_wheels_for_cpython315_x86_64_u16.yml
+++ /dev/null
@@ -1,171 +0,0 @@
-name: Build wheels for CPython3.15 x86_64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.15
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.15
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp315-cp315
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 LDFLAGS='-Wl,--as-needed -Wl,-s' _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython315_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython315_x86_u16.yml
deleted file mode 100644
index 4d96628b2..000000000
--- a/.github/workflows/Build_wheels_for_cpython315_x86_u16.yml
+++ /dev/null
@@ -1,171 +0,0 @@
-name: Build wheels for CPython3.15 x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i686 CPython 3.15
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.15
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp315-cp315
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 LDFLAGS='-Wl,--as-needed -Wl,-s' _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython315t_x64_u16.yml b/.github/workflows/Build_wheels_for_cpython315t_x64_u16.yml
deleted file mode 100644
index 931574582..000000000
--- a/.github/workflows/Build_wheels_for_cpython315t_x64_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.15-nogil x64 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.15-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.15-nogil
-            pypkgdev: python3.15-dev
-            pypkgexe: python3.15t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp315-cp315t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'"
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython315t_x86_u16.yml b/.github/workflows/Build_wheels_for_cpython315t_x86_u16.yml
deleted file mode 100644
index e7e1bca9b..000000000
--- a/.github/workflows/Build_wheels_for_cpython315t_x86_u16.yml
+++ /dev/null
@@ -1,174 +0,0 @@
-name: Build wheels for CPython3.15-nogil x86 on Ubuntu16 with GCC-5 All warnings
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.15-nogil
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.15-nogil
-            pypkgdev: python3.15-dev
-            pypkgexe: python3.15t
-            #pypkgadd: python3.13-distutils
-            pyengine_tag: cp315-cp315t
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} ${{matrix.os.pypkg}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkgexe}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkgexe}} -m pip install -U 'setuptools<72.0'"
-
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 _ZSTD_SMALL=1 LDFLAGS='-Wl,--as-needed -Wl,-s' ZSTD_BUILD_STRIP=1 _ZSTD_SPEED=0 _ZSTD_SPEEDMAX=0 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkgexe}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython34_x86.yml b/.github/workflows/Build_wheels_for_cpython34_x86.yml
deleted file mode 100644
index ba01e788a..000000000
--- a/.github/workflows/Build_wheels_for_cpython34_x86.yml
+++ /dev/null
@@ -1,239 +0,0 @@
-name: Build wheels for CPython3.4 x86 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.4
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.4"
-            getpipurl: https://bootstrap.pypa.io/pip/3.4/get-pip.py
-            pypkg: python3.4
-            pyengine_tag: cp34-cp34m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; ls -lh build/*/zstd.*so; ldd build/*/zstd.*so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      
-      - name: Build ${{ matrix.os.name }} wheels and test (old)
-        uses: pypa/cibuildwheel@v1.12.0
-        if: matrix.cibw.group == 'old'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_2
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_2
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: i686 x86_64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-
-      - name: Build ${{ matrix.os.name }} wheels and test (new)
-        uses: joerick/cibuildwheel@v2.23.3
-        if: matrix.cibw.group == 'new'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_1
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_1
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: auto aarch64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-            
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install twine==6.0.1
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython34_x86_64.yml b/.github/workflows/Build_wheels_for_cpython34_x86_64.yml
deleted file mode 100644
index 0946db31c..000000000
--- a/.github/workflows/Build_wheels_for_cpython34_x86_64.yml
+++ /dev/null
@@ -1,238 +0,0 @@
-name: Build wheels for CPython3.4 x86_64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.4
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.4"
-            getpipurl: https://bootstrap.pypa.io/pip/3.4/get-pip.py
-            pypkg: python3.4
-            pyengine_tag: cp34-cp34m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*so; ldd build/*/zstd.*so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      
-      - name: Build ${{ matrix.os.name }} wheels and test (old)
-        uses: pypa/cibuildwheel@v1.12.0
-        if: matrix.cibw.group == 'old'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_2
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_2
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: i686 x86_64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-
-      - name: Build ${{ matrix.os.name }} wheels and test (new)
-        uses: joerick/cibuildwheel@v2.23.3
-        if: matrix.cibw.group == 'new'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_1
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_1
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: auto aarch64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-            
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install twine==6.0.1
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython35_x86.yml b/.github/workflows/Build_wheels_for_cpython35_x86.yml
deleted file mode 100644
index e9cdc3b2b..000000000
--- a/.github/workflows/Build_wheels_for_cpython35_x86.yml
+++ /dev/null
@@ -1,235 +0,0 @@
-name: Build wheels for CPython3.5 x86 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.5
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.5"
-            getpipurl: https://bootstrap.pypa.io/pip/3.5/get-pip.py
-            pypkg: python3.5
-            pyengine_tag: cp35-cp35m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      
-      - name: Build ${{ matrix.os.name }} wheels and test (old)
-        uses: pypa/cibuildwheel@v1.12.0
-        if: matrix.cibw.group == 'old'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_2
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_2
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: i686 x86_64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-
-      - name: Build ${{ matrix.os.name }} wheels and test (new)
-        uses: joerick/cibuildwheel@v2.23.3
-        if: matrix.cibw.group == 'new'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_1
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_1
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: auto aarch64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-            
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install twine==6.0.1
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython35_x86_64_u20.yml b/.github/workflows/Build_wheels_for_cpython35_x86_64_u20.yml
deleted file mode 100644
index 2e6ab6f63..000000000
--- a/.github/workflows/Build_wheels_for_cpython35_x86_64_u20.yml
+++ /dev/null
@@ -1,238 +0,0 @@
-name: Build wheels for CPython3.5 x86_64 on Ubuntu16 with GCC-5 All warnings errors 
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.5
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.5"
-            getpipurl: https://bootstrap.pypa.io/pip/3.5/get-pip.py
-            pypkg: python3.5
-            pyengine_tag: cp35-cp35m
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} echo GCC-5
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} gcc -v
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 ZSTD_WARNINGS=1 ZSTD_WERRORS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; echo LLH; ls -lh build/lib*/zstd.*.so; echo LDD; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-      
-      - name: Build ${{ matrix.os.name }} wheels and test (old)
-        uses: pypa/cibuildwheel@v1.12.0
-        if: matrix.cibw.group == 'old'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_2
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_2
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: i686 x86_64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-
-      - name: Build ${{ matrix.os.name }} wheels and test (new)
-        uses: joerick/cibuildwheel@v2.23.3
-        if: matrix.cibw.group == 'new'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_1
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_1
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: auto aarch64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-            
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install twine==6.0.1
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython36_x86.yml b/.github/workflows/Build_wheels_for_cpython36_x86.yml
deleted file mode 100644
index bf3443582..000000000
--- a/.github/workflows/Build_wheels_for_cpython36_x86.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for CPython3.6 x86 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.6
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.6"
-            getpipurl: https://bootstrap.pypa.io/pip/3.6/get-pip.py
-            pypkg: python3.6
-            pypkgadd: python3.6-distutils
-            pyengine_tag: cp36-cp36m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython36_x86_64_u20.yml b/.github/workflows/Build_wheels_for_cpython36_x86_64_u20.yml
deleted file mode 100644
index a4d3967f4..000000000
--- a/.github/workflows/Build_wheels_for_cpython36_x86_64_u20.yml
+++ /dev/null
@@ -1,166 +0,0 @@
-name: Build wheels for CPython3.6 x86_64 on Ubuntu16 with All warnings errors 
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 CPython 3.6
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.6"
-            getpipurl: https://bootstrap.pypa.io/pip/3.6/get-pip.py
-            pypkg: python3.6
-            pypkgadd: python3.6-distutils
-            pyengine_tag: cp36-cp36m
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo "# deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 ZSTD_WARNINGS=1 ZSTD_WERRORS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=1 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; echo LLH; ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
- 
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython37_x86.yml b/.github/workflows/Build_wheels_for_cpython37_x86.yml
deleted file mode 100644
index f761da7d3..000000000
--- a/.github/workflows/Build_wheels_for_cpython37_x86.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.7 x86 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.11"
-            getpipurl: https://bootstrap.pypa.io/pip/3.7/get-pip.py
-            pypkg: python3.7
-            pypkgadd: python3.7-distutils
-            pyengine_tag: cp37-cp37m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython37_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython37_x86_64_u24.yml
deleted file mode 100644
index df28c00b7..000000000
--- a/.github/workflows/Build_wheels_for_cpython37_x86_64_u24.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.7 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 20 amd64 CPython 3.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial 
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/3.7/get-pip.py
-            pypkg: python3.7
-            pypkgadd: python3.7-distutils
-            pyengine_tag: cp37-cp37m
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          false && echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc file pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython38_x86.yml b/.github/workflows/Build_wheels_for_cpython38_x86.yml
deleted file mode 100644
index 665d8c7f0..000000000
--- a/.github/workflows/Build_wheels_for_cpython38_x86.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for CPython3.8 x86 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.8
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.8"
-            getpipurl: https://bootstrap.pypa.io/pip/3.8/get-pip.py
-            pypkg: python3.8
-            pypkgadd: python3.8-distutils
-            pyengine_tag: cp38-cp38
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython38_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython38_x86_64_u24.yml
deleted file mode 100644
index 01482a193..000000000
--- a/.github/workflows/Build_wheels_for_cpython38_x86_64_u24.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.8 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 16 amd64 CPython 3.8
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial 
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/3.8/get-pip.py
-            pypkg: python3.8
-            pypkgadd: python3.8-distutils
-            pyengine_tag: cp38-cp38
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && echo LLH; ls -lh build/lib*/zstd.*.so; ldd build/lib*/zstd.*.so ; file build/lib*/zstd.*.so; bash ./glibc-check.sh build/lib*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython39_x86.yml b/.github/workflows/Build_wheels_for_cpython39_x86.yml
deleted file mode 100644
index f2ae642cc..000000000
--- a/.github/workflows/Build_wheels_for_cpython39_x86.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for CPython3.9 x86 on Ubuntu 16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 3.9
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            #pyver: "3.9"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.9
-            pypkgadd: python3.9-distutils
-            pyengine_tag: cp39-cp39
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_cpython39_x86_64_u24.yml b/.github/workflows/Build_wheels_for_cpython39_x86_64_u24.yml
deleted file mode 100644
index 7be8b8df3..000000000
--- a/.github/workflows/Build_wheels_for_cpython39_x86_64_u24.yml
+++ /dev/null
@@ -1,170 +0,0 @@
-name: Build wheels for CPython3.9 x86_64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 16 amd64 CPython 3.9
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial 
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            #version: 1.5.6.7
-            # pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.9
-            pypkgadd: python3.9-distutils
-            pyengine_tag: cp39-cp39
-            libc_tag: manylinux_2_4
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev file
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ZSTD_ASM=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 ZSTD_EXTERNAL=1 ${{matrix.os.pypkg}} setup.py bdist_wheel"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/; echo LLH; ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so ; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy27_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy27_x64_u16.yml
deleted file mode 100644
index 043c622c8..000000000
--- a/.github/workflows/Build_wheels_for_pypy27_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy2.7 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pypkg: pypy2.7
-            pypkgdev: pypy2.7-bin-dev
-            pyengine_tag: pp27-pypy_73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy310_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy310_x64_u16.yml
deleted file mode 100644
index ac0301416..000000000
--- a/.github/workflows/Build_wheels_for_pypy310_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.10 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.10
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: pypy3.10
-            pypkgdev: pypy3.10-bin-dev
-            pyengine_tag: pp310-pypy310_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy311_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy311_x64_u16.yml
deleted file mode 100644
index 6cdab980e..000000000
--- a/.github/workflows/Build_wheels_for_pypy311_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.11 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.11
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: pypy3.11
-            pypkgdev: pypy3.11-bin-dev
-            pyengine_tag: pp311-pypy311_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy36_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy36_x64_u16.yml
deleted file mode 100644
index 228af1615..000000000
--- a/.github/workflows/Build_wheels_for_pypy36_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.6 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.6
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/3.6/get-pip.py
-            pypkg: pypy3.6
-            pypkgdev: pypy3.6-bin-dev
-            pyengine_tag: pp36-pypy36_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy37_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy37_x64_u16.yml
deleted file mode 100644
index 74358e8c0..000000000
--- a/.github/workflows/Build_wheels_for_pypy37_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.7 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/3.7/get-pip.py
-            pypkg: pypy3.7
-            pypkgdev: pypy3.7-bin-dev
-            pyengine_tag: pp37-pypy37_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy38_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy38_x64_u16.yml
deleted file mode 100644
index d2e95352b..000000000
--- a/.github/workflows/Build_wheels_for_pypy38_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.8 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.8
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/3.8/get-pip.py
-            pypkg: pypy3.8
-            pypkgdev: pypy3.8-bin-dev
-            pyengine_tag: pp38-pypy38_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/Build_wheels_for_pypy39_x64_u16.yml b/.github/workflows/Build_wheels_for_pypy39_x64_u16.yml
deleted file mode 100644
index cce57a9d4..000000000
--- a/.github/workflows/Build_wheels_for_pypy39_x64_u16.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-name: Build wheels for Pypy3.9 x64 on Ubuntu16
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 amd64 Pypy 3.9
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: pypy3.9
-            pypkgdev: pypy3.9-bin-dev
-            pyengine_tag: pp39-pypy39_pp73
-            libc_tag: manylinux_2_14
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt dist-upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,gnupg,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          false && sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt dist-upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkgdev}} gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U pkginfo" 
-                      
-           
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          version=`cat version`
-          sudo tar -xvf dist/zstd-$version.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version && ZSTD_ASM=1 _ZSTD_SMALL=1 ZSTD_WARNINGS=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 ${{matrix.os.pypkg}} setup.py bdist_wheel "
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          version=`cat version`
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} find /build_wheel/
-          sudo cp -v glibc-check.sh ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ls -lh build/*/zstd.*.so; ldd build/*/zstd.*.so; file build/*/zstd.*.so; bash ./glibc-check.sh build/*/zstd.*.so"
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-$version/ && ${{matrix.os.pypkg}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           version=`cat version`
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-$version/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-$version-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install 'twine<=6.0.1'
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-        
diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index df2e15184..fffe2bceb 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -8,37 +8,16 @@ concurrency:
 
 jobs:
   build_wheels:
-    name: Build wheel - ${{ matrix.cibw.build }} ${{ matrix.os.name }}
+    name: Build wheel - ${{ matrix.cibw.build }} (#${{ matrix.repeat }})
     runs-on: ${{ matrix.os.runs-on }}
     strategy:
       fail-fast: false
       matrix:
         os:
-          - name: macOS old
-            runs-on: macos-15-intel # x86
-            matrix: macos
-          - name: macOS Latest
-            runs-on: macos-latest # arm
-            matrix: macos
-          - name: Ubuntu 24.04
-            runs-on: ubuntu-latest
-            matrix: linux
           - name: Windows
             runs-on: windows-latest
             matrix: windows
-          - name: Windows (arm64)
-            runs-on: windows-11-arm
-            matrix: windows-arm
         cibw:
-          # build just supported python versions at May 2023
-          - build: cp27-*
-            version: v1
-            code: CPython2.7
-            manylinux: manylinux1
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64
           - build: cp35-*
             version: v1
             code: CPython3.5
@@ -55,22 +34,6 @@ jobs:
             archs:
               linux: i686 x86_64 aarch64
               macos: x86_64
-          - build: pp27-*
-            version: v1
-            code: PyPy2.7
-            manylinux: manylinux1
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64
-          - build: pp36-*
-            version: v1
-            code: PyPy3.6
-            manylinux: manylinux1
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64
           - build: cp37-*
             version: v2
             code: CPython3.7
@@ -95,94 +58,7 @@ jobs:
             archs:
               linux: i686 x86_64 aarch64
               macos: x86_64 arm64
-          - build: cp310-*
-            version: v2
-            code: CPython3.10
-            manylinux: manylinux_2_24
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: cp311-*
-            version: v2
-            code: CPython3.11
-            manylinux: manylinux_2_24
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: cp312-*
-            version: v2
-            code: CPython3.12
-            manylinux: manylinux_2_28
-            musllinux: musllinux_1_2
-            archs:
-              linux: x86_64 aarch64
-              macos: x86_64 arm64
-          - build: cp313-*
-            version: v2
-            code: CPython3.13
-            manylinux: manylinux_2_28
-            musllinux: musllinux_1_2
-            archs:
-              linux: x86_64 aarch64
-              macos: x86_64 arm64
-          - build: cp314-*
-            version: v3
-            code: CPython3.14
-            manylinux: manylinux_2_28
-            musllinux: musllinux_1_2
-            archs:
-              linux: x86_64 aarch64
-              macos: x86_64 arm64
-          - build: pp27-*
-            version: v1
-            code: PyPy2.7
-            manylinux: manylinux1
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64
-          - build: pp37-*
-            version: v2
-            code: PyPy3.7
-            manylinux: manylinux_2_24
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: pp38-*
-            version: v2
-            code: PyPy3.8
-            manylinux: manylinux_2_24
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: pp39-*
-            version: v2
-            code: PyPy3.9
-            manylinux: manylinux_2_24
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: pp310-*
-            version: v3
-            code: PyPy3.10
-            manylinux: manylinux_2_28
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
-          - build: pp311-*
-            version: v3
-            code: PyPy3.11
-            manylinux: manylinux_2_28
-            musllinux: musllinux_1_2
-            archs:
-              linux: i686 x86_64 aarch64
-              macos: x86_64 arm64
+        repeat: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
         exclude:
           - os:
               matrix: windows
@@ -389,7 +265,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@v4
         with:
-          name: wheels-v4-${{matrix.os.matrix}}-${{matrix.cibw.code}}-${{matrix.cibw.version}}
+          name: wheels-v4-${{matrix.os.matrix}}-${{matrix.cibw.code}}-${{matrix.cibw.version}}-${{matrix.repeat}}
           path: ./dist
           overwrite: true
 
diff --git a/.github/workflows/debug_build-wheels.yml b/.github/workflows/debug_build-wheels.yml
deleted file mode 100644
index acd27e04f..000000000
--- a/.github/workflows/debug_build-wheels.yml
+++ /dev/null
@@ -1,465 +0,0 @@
-name: Build wheels w/o cibw
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}-${{ github.event_name }}-${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) && github.sha || '' }}
-  cancel-in-progress: true
-
-jobs:
-  build_wheels:
-    name: Build wheel - ${{ matrix.os.name }}
-    runs-on: ${{ matrix.os.runs-on }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - name: Ubuntu 24+16 i386 CPython 2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "2.7"
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pypkg: python2.7
-            pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.4
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.4"
-            getpipurl: https://bootstrap.pypa.io/pip/3.4/get-pip.py 
-            pypkg: python3.4
-            pyengine_tag: cp34-cp34m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.5
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.5"
-            getpipurl: https://bootstrap.pypa.io/pip/3.5/get-pip.py
-            pypkg: python3.5
-            pyengine_tag: cp35-cp35m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.6
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.6"
-            getpipurl: https://bootstrap.pypa.io/pip/3.6/get-pip.py
-            pypkg: python3.6
-            pypkgadd: python3.6-distutils
-            pyengine_tag: cp36-cp36m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/3.7/get-pip.py
-            pypkg: python3.7
-            pypkgadd: python3.7-distutils
-            pyengine_tag: cp37-cp37m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.8
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.8"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.8
-            pypkgadd: python3.8-distutils
-            pyengine_tag: cp38-cp38
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 i386 CPython 3.9
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.9"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.9
-            pypkgadd: python3.9-distutils
-            pyengine_tag: cp39-cp39
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+20 i386 CPython 3.10
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: focal
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.10"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.10
-            pypkgadd: python3.10-distutils
-            pyengine_tag: cp310-cp310
-            libc_tag: manylinux_2_19
-          - name: Ubuntu 24+20 i386 CPython 3.11
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: i386
-            tag_arch: i686
-            release: focal
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pyver: "3.11"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pypkg: python3.11
-            pypkgadd: python3.11-distutils
-            pyengine_tag: cp311-cp311
-            libc_tag: manylinux_2_19
-          - name: Ubuntu 24+16 amd64 CPython2.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python2.7
-            pyver: "2.7"
-            getpipurl: https://bootstrap.pypa.io/pip/2.7/get-pip.py
-            pyengine_tag: cp27-cp27mu
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.4
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.4
-            pyver: "3.4"
-            getpipurl: https://bootstrap.pypa.io/pip/3.4/get-pip.py
-            pyengine_tag: cp34-cp34m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.5
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.5
-            pyver: "3.5"
-            getpipurl: https://bootstrap.pypa.io/pip/3.5/get-pip.py
-            pyengine_tag: cp35-cp35m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.6
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.6
-            pypkgadd: python3.6-distutils
-            pyver: "3.6"
-            getpipurl: https://bootstrap.pypa.io/pip/3.6/get-pip.py
-            pyengine_tag: cp36-cp36m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.7
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.7
-            pypkgadd: python3.7-distutils
-            pyver: "3.7"
-            getpipurl: https://bootstrap.pypa.io/pip/3.7/get-pip.py
-            pyengine_tag: cp37-cp37m
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.8
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.8
-            pypkgadd: python3.8-distutils
-            pyver: "3.8"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pyengine_tag: cp38-cp38
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+16 amd64 CPython3.9
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: xenial
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.9
-            pypkgadd: python3.9-distutils
-            pyver: "3.9"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pyengine_tag: cp39-cp39
-            libc_tag: manylinux_2_17
-          - name: Ubuntu 24+20 amd64 CPython3.10
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: focal
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.10
-            pypkgadd: python3.10-distutils
-            pyver: "3.10"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pyengine_tag: cp310-cp310
-            libc_tag: manylinux_2_19
-          - name: Ubuntu 24+20 amd64 CPython3.11
-            runs-on: ubuntu-latest
-            matrix: linux
-            arch: amd64
-            tag_arch: x86_64
-            release: focal
-            mirror: http://azure.archive.ubuntu.com/ubuntu
-            version: 1.5.6.3
-            pypkg: python3.11
-            pypkgadd: python3.11-distutils
-            pyver: "3.11"
-            getpipurl: https://bootstrap.pypa.io/pip/get-pip.py
-            pyengine_tag: cp311-cp311
-            libc_tag: manylinux_2_19
-     
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          submodules: 'recursive'
-
-      - name: Update and upgrade Ubuntu 24
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo which apt
-          sudo apt update; 
-          sudo apt purge -y firefox lxd snapd;
-          sudo apt install -y zram-config;
-          sudo apt list --upgradable;
-          sudo apt upgrade -y;
-          sudo apt install -f
-
-      - name: Build source distribution with Ubuntu
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo apt install -y devscripts debootstrap qemu-user;
-          pip install build;
-          python -m build --sdist --outdir dist .
-         
-      - name: Debootstrap Ubuntu ${{matrix.os.release}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo debootstrap --no-merged-usr --verbose --include=sudo,wget,curl,ca-certificates --arch=${{matrix.os.arch}} ${{matrix.os.release}} ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} ${{matrix.os.mirror}} || tail ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/debootstrap/debootstrap.log
-     
-      - name: Update and Upgrade Ubuntu ${{matrix.os.release}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/proc -t proc
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/dev/pts -t devpts
-          sudo mount none ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/sys -t sysfs
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/python ubuntu-${{matrix.os.release}} main" > rusoft-python.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/backports ubuntu-${{matrix.os.release}} main" > rusoft-backports.list
-          echo " deb [trusted=yes] http://packages.rusoft.ru/ppa/rusoft/packages ubuntu-${{matrix.os.release}} main" > rusoft-packages.list
-          echo " deb [trusted=yes] http://ppa.launchpadcontent.net/deadsnakes/ppa/ubuntu ${{matrix.os.release}} main" > deadsnakes.list
-          sudo find ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} -iname apt
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo cp -v ./*.list ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/sources.list.d
-          false && sudo rm -fv ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/etc/apt/trusted.gpg.d/* && sudo rm -fv ./ubuntu-xenial-x86/etc/apt/trusted.gpg
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public.gpg -Orusoft.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'cd /etc/apt/trusted.gpg.d && wget http://packages.rusoft.ru/apt/public-old.gpg -Orusoft-old.gpg'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c 'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A2CE4BCCC50209DD || true'
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt update
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt -fy install
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt upgrade -y
-           
-           
-      - name: Pepare dev files
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y libzstd-dev
-
-      - name: Pepare for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /usr/bin/apt install -y ${{matrix.os.pypkg}}-dev gcc pkg-config ${{matrix.os.pypkgadd}}
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "wget ${{matrix.os.getpipurl}} -O get-pip.py && ${{matrix.os.pypkg}} get-pip.py || true"
-           sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "${{matrix.os.pypkg}} -m pip install -U 'setuptools<72.0'" 
-                    
-      - name: Pepare source and build wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo mkdir -p ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          sudo tar -xvf dist/zstd-${{matrix.os.version}}.tar.gz -C ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/
-          false && sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} env 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} pkg-config libzstd --modversion 
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-${{matrix.os.version}} && ZSTD_ASM=1 _ZSTD_LEGACY=1 _ZSTD_ASM_BMI2=1 ZSTD_THREADS=1 _ZSTD_EXTERNAL=0 python${{matrix.os.pyver}} setup.py bdist_wheel clean"
-
-      - name: Test wheel for ${{matrix.os.pypkg}} ${{matrix.os.arch}}
-        if: matrix.os.matrix == 'linux'
-        run: |
-          sudo chroot ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}} /bin/bash -c "cd /build_wheel/zstd-${{matrix.os.version}} && python${{matrix.os.pyver}} setup.py test"
-
-      - name: Pepare wheel for upload
-        if: matrix.os.matrix == 'linux'
-        run: |
-           sudo cp -v ./ubuntu-${{matrix.os.release}}-${{matrix.os.arch}}/build_wheel/zstd-${{matrix.os.version}}/dist/* ./dist
-           sudo ls -lh ./dist/* 
-           sudo mv -v ./dist/"zstd-${{matrix.os.version}}-${{matrix.os.pyengine_tag}}-linux_${{matrix.os.tag_arch}}.whl" ./dist/"zstd-${{matrix.os.version}}-${{matrix.os.pyengine_tag}}-${{matrix.os.libc_tag}}_${{matrix.os.tag_arch}}.whl"
-           sudo rm -vf ./dist/*.tar.gz
-      
-      - name: Build ${{ matrix.os.name }} wheels and test (old)
-        uses: pypa/cibuildwheel@v1.12.0
-        if: matrix.cibw.group == 'old'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux1
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux1
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_2
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_2
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: i686 x86_64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-
-      - name: Build ${{ matrix.os.name }} wheels and test (new)
-        uses: joerick/cibuildwheel@v2.23.3
-        if: matrix.cibw.group == 'new'
-        with:
-          output-dir: dist
-        env:
-          CIBW_BUILD: ${{ matrix.cibw.build }}
-          # Skip 32-bit builds // NO
-          # CIBW_SKIP: '*-win32 *_i686'
-          CIBW_MANYLINUX_I686_IMAGE: manylinux2014
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
-          CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014
-          CIBW_MUSLLINUX_I686_IMAGE: musllinux_1_1
-          CIBW_MUSLLINUX_X86_64_IMAGE: musllinux_1_1
-          # Only build on x86 and arm64 for linux
-          CIBW_ARCHS_LINUX: auto aarch64
-          CIBW_BEFORE_ALL_LINUX: >
-            python -m pip install --upgrade pip
-          # CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          # Building two wheels for MacOS and skipping Universal
-          CIBW_ARCHS_MACOS: x86_64 arm64
-          # Skip testing Apple Silicon until there are GH runners
-          CIBW_TEST_SKIP: '*_arm64 *_universal2:arm64'
-          CIBW_BEFORE_ALL_MACOS: >
-            python -m pip install --upgrade pip
-          # CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=11.7
-          CIBW_BUILD_VERBOSITY_MACOS: 0
-          CIBW_BEFORE_ALL_WINDOWS: >
-            python -m pip install --upgrade pip
-          CIBW_TEST_COMMAND: >
-            python -m unittest discover -v -s {package}
-            
-#      - name: Upload artifacts
-#        uses: actions/upload-artifact@v4
-#        with:
-#          name: wheels
-#.         path: ./dist
-#          compression-level: 0
-          
-      - name: Test for secrets access
-        id: check_secrets
-        # If a third party makes a pull request
-        # this allows automated steps below to be skipped
-        # and leave a clean PR CI run
-        shell: bash
-        run: |
-          unset HAS_SECRET
-          unset HAS_SECRET_TEST
-          if [ -n "$SECRET" ]; then HAS_SECRET='true' ; fi
-          if [ -n "$SECRET_TEST" ]; then HAS_SECRET_TEST='true' ; fi
-          echo ::set-output name=HAS_SECRET::${HAS_SECRET}
-          echo ::set-output name=HAS_SECRET_TEST::${HAS_SECRET_TEST}
-        env:
-          SECRET: "${{ secrets.pypi_password }}"
-          SECRET_TEST: "${{ secrets.test_pypi_password }}"
-
-      - name: Install twine
-        run: pip install twine
-
-      - name: Publish distribution to PyPI
-        if: >
-         startsWith(github.event.ref, 'refs/tags') &&
-         steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and PYPI_PASSWORD is in GH Secrets for this repo
-          # and this is a tag, publish to PyPI
-          TWINE_REPOSITORY_URL: https://upload.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'
-
-      - name: Publish distribution to Test PyPI
-        if: steps.check_secrets.outputs.HAS_SECRET
-        env:
-          # If the PR/Push has secret access
-          # and TEST_PYPI_PASSWORD is in GH Secrets for this repo
-          # then publish each build to test PyPI
-          TWINE_REPOSITORY_URL: https://test.pypi.org/legacy/
-          TWINE_USERNAME: "${{ secrets.test_pypi_username }}"
-          TWINE_NON_INTERACTIVE: 1
-          TWINE_PASSWORD: "${{ secrets.test_pypi_password }}"
-        run: twine upload --non-interactive --skip-existing --verbose 'dist/*'