diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4ef1387..b25e478 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.11"
+    python: "3.12"
 sphinx:
   configuration: docs/conf.py
 python:
diff --git a/bin/update-tables.py b/bin/update-tables.py
index 2bb9e18..83b2310 100644
--- a/bin/update-tables.py
+++ b/bin/update-tables.py
@@ -409,7 +409,6 @@ def fetch_table_vs16_data() -> UnicodeTableRenderCtx:
     For that reason, and that these values are not expected to change,
     only this single shared table is exported.
 
-
     One example, where v3.2 became v1.1 ("-" 12.0, "+" 15.1)::
 
          -2620 FE0F  ; Basic_Emoji  ; skull and crossbones        #  3.2  [1] (☠️)
diff --git a/bin/verify-table-integrity.py b/bin/verify-table-integrity.py
index bab458d..688aea6 100644
--- a/bin/verify-table-integrity.py
+++ b/bin/verify-table-integrity.py
@@ -85,6 +85,7 @@ def bisearch_pair(ucs, table):
 
 
 def main(log: logging.Logger):
+    # local
     from wcwidth import ZERO_WIDTH, WIDE_EASTASIAN, list_versions
 
     reversed_uni_versions = list(reversed(list_versions()))
diff --git a/docs/conf.py b/docs/conf.py
index c3f5811..fac366c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -68,7 +68,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
diff --git a/docs/intro.rst b/docs/intro.rst
index 26025d6..7c38ffa 100644
--- a/docs/intro.rst
+++ b/docs/intro.rst
@@ -95,7 +95,7 @@ Briefly, return values of function ``wcwidth()`` are:
 Function ``wcswidth()`` simply returns the sum of all values for each character
 along a string, or ``-1`` when it occurs anywhere along a string.
 
-Full API Documentation at https://wcwidth.readthedocs.org
+Full API Documentation at https://wcwidth.readthedocs.io
 
 ==========
 Developing
@@ -105,9 +105,9 @@ Install wcwidth in editable mode::
 
    pip install -e .
 
-Execute unit tests using tox_::
+Execute unit tests using tox_ for all supported Python versions::
 
-   tox -e py36,py37,py38,py39,py310,py311,py312
+   tox -e py36,py37,py38,py39,py310,py311,py312,py313,py314
 
 Updating Unicode Version
 ------------------------
@@ -264,7 +264,7 @@ History
     Environment variable ``UNICODE_VERSION``, such as ``13.0``, or ``6.3.0``.
     See the `jquast/ucs-detect`_ CLI utility for automatic detection.
   * **Enhancement**:
-    API Documentation is published to readthedocs.org.
+    API Documentation is published to readthedocs.io.
   * **Updated** tables for *all* Unicode Specifications with files
     published in a programmatically consumable format, versions 4.1.0
     through 13.0
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3c973e4..016e11e 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,57 +1,60 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-emit-index-url --output-file=docs/requirements.txt --strip-extras requirements-docs.in
+#    pip-compile --allow-unsafe --cert=None --client-cert=None --index-url=None --no-emit-index-url --output-file=docs/requirements.txt --pip-args=None --strip-extras requirements-docs.in
 #
-alabaster==0.7.13
+
+alabaster==1.0.0
     # via sphinx
-babel==2.12.1
+babel==2.17.0
     # via sphinx
-certifi==2024.7.4
+certifi==2025.8.3
     # via requests
-charset-normalizer==3.3.0
+charset-normalizer==3.4.3
     # via requests
-docutils==0.17.1
+docutils==0.21.2
     # via
     #   sphinx
     #   sphinx-rtd-theme
-idna==3.7
+idna==3.10
     # via requests
 imagesize==1.4.1
     # via sphinx
 jinja2==3.1.6
     # via sphinx
-markupsafe==2.1.3
+markupsafe==3.0.2
     # via jinja2
-packaging==23.2
+packaging==25.0
     # via sphinx
-pygments==2.16.1
+pygments==2.19.2
     # via sphinx
-requests==2.32.4
+requests==2.32.5
     # via sphinx
-snowballstemmer==2.2.0
+roman-numerals-py==3.1.0
     # via sphinx
-sphinx==4.5.0
+snowballstemmer==3.0.1
+    # via sphinx
+sphinx==8.2.3
     # via
     #   -r requirements-docs.in
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
-sphinx-rtd-theme==1.3.0
+sphinx-rtd-theme==3.0.2
     # via -r requirements-docs.in
-sphinxcontrib-applehelp==1.0.4
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.1
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
 sphinxcontrib-jquery==4.1
     # via sphinx-rtd-theme
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 urllib3==2.5.0
     # via requests
diff --git a/requirements-docs.in b/requirements-docs.in
index 98869c6..ab3f3dd 100644
--- a/requirements-docs.in
+++ b/requirements-docs.in
@@ -1,2 +1,2 @@
-Sphinx~=4.5
+Sphinx
 sphinx_rtd_theme
diff --git a/requirements-tests39.txt b/requirements-tests39.txt
index 1d1d6b6..f4897dc 100644
--- a/requirements-tests39.txt
+++ b/requirements-tests39.txt
@@ -4,7 +4,8 @@
 #
 #    pip-compile --allow-unsafe --no-emit-index-url --output-file=requirements-tests39.txt --strip-extras requirements-tests39.in
 #
-coverage==7.9.1
+
+coverage==7.10.6
     # via pytest-cov
 exceptiongroup==1.3.0
     # via pytest
@@ -18,20 +19,20 @@ pluggy==1.6.0
     #   pytest-cov
 py-cpuinfo==9.0.0
     # via pytest-benchmark
-pygments==2.19.1
+pygments==2.19.2
     # via pytest
-pytest==8.4.0
+pytest==8.4.2
     # via
     #   -r requirements-tests39.in
     #   pytest-benchmark
     #   pytest-cov
 pytest-benchmark==5.1.0
     # via -r requirements-tests39.in
-pytest-cov==6.2.1
+pytest-cov==7.0.0
     # via -r requirements-tests39.in
 tomli==2.2.1
     # via
     #   coverage
     #   pytest
-typing-extensions==4.14.0
+typing-extensions==4.15.0
     # via exceptiongroup
diff --git a/requirements-update.txt b/requirements-update.txt
index ecabfcb..0441ec2 100644
--- a/requirements-update.txt
+++ b/requirements-update.txt
@@ -2,25 +2,26 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --allow-unsafe --no-emit-index-url --output-file=requirements-update.txt --strip-extras requirements-update.in
+#    pip-compile --allow-unsafe --cert=None --client-cert=None --index-url=None --no-emit-index-url --output-file=requirements-update.txt --pip-args=None --strip-extras requirements-update.in
 #
-certifi==2023.7.22
+
+certifi==2025.8.3
     # via requests
-charset-normalizer==3.3.0
+charset-normalizer==3.4.3
     # via requests
-idna==3.4
+idna==3.10
     # via requests
-jinja2==3.1.3
+jinja2==3.1.6
     # via -r requirements-update.in
-markupsafe==2.1.3
+markupsafe==3.0.2
     # via jinja2
-python-dateutil==2.8.2
+python-dateutil==2.9.0.post0
     # via -r requirements-update.in
-requests==2.31.0
+requests==2.32.5
     # via -r requirements-update.in
-six==1.16.0
+six==1.17.0
     # via python-dateutil
-typing-extensions==4.8.0
+typing-extensions==4.15.0
     # via -r requirements-update.in
-urllib3==2.0.7
+urllib3==2.5.0
     # via requests
diff --git a/tests/test_emojis.py b/tests/test_emojis.py
index 1d6c7be..310d0c3 100644
--- a/tests/test_emojis.py
+++ b/tests/test_emojis.py
@@ -123,7 +123,7 @@ def test_longer_emoji_zwj_sequence():
               "\u200d"       # 'Cf', 'N' -- ZERO WIDTH JOINER
               "\U0001F9D1"   # 'So', 'W' -- ADULT
               "\U0001F3FD"   # 'Sk', 'W' -- EMOJI MODIFIER FITZPATRICK TYPE-4
-    ) * 2
+              ) * 2
     # This test adapted from https://www.unicode.org/L2/L2023/23107-terminal-suppt.pdf
     expect_length_each = (2, 0, 0, 1, 0, 0, 2, 0, 2, 0) * 2
     expect_length_phrase = 4
@@ -140,8 +140,8 @@ def test_longer_emoji_zwj_sequence():
 def read_sequences_from_file(filename):
     fp = open(os.path.join(os.path.dirname(__file__), filename), 'r', encoding='utf-8')
     lines = [line.strip()
-                for line in fp.readlines()
-                if not line.startswith('#') and line.strip()]
+             for line in fp.readlines()
+             if not line.startswith('#') and line.strip()]
     fp.close()
     sequences = [make_sequence_from_line(line) for line in lines]
     return lines, sequences
@@ -218,6 +218,7 @@ def test_unicode_9_vs16():
     assert length_each == expect_length_each
     assert length_phrase == expect_length_phrase
 
+
 def test_unicode_8_vs16():
     """Verify that VS-16 has no effect on unicode_version 8.0 and earler"""
     phrase = ("\u2640"        # FEMALE SIGN
@@ -232,4 +233,4 @@ def test_unicode_8_vs16():
 
     # verify.
     assert length_each == expect_length_each
-    assert length_phrase == expect_length_phrase
\ No newline at end of file
+    assert length_phrase == expect_length_phrase
diff --git a/tests/test_table_integrity.py b/tests/test_table_integrity.py
index 66e63dd..e680498 100644
--- a/tests/test_table_integrity.py
+++ b/tests/test_table_integrity.py
@@ -1,15 +1,18 @@
 """
 Executes verify-table-integrity.py as a unit test.
 """
+# std imports
 import os
 import sys
 import subprocess
 
+# 3rd party
 import pytest
 
+
 @pytest.mark.skipif(sys.version_info[:2] != (3, 12), reason='Test only with a single version of python')
 def test_verify_table_integrity():
     subprocess.check_output([sys.executable, os.path.join(os.path.dirname(__file__),
                                                           os.path.pardir,
                                                           'bin',
-                                                          'verify-table-integrity.py')])
\ No newline at end of file
+                                                          'verify-table-integrity.py')])
diff --git a/tox.ini b/tox.ini
index 0346af7..9d66fbf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,7 @@
 [tox]
-envlist = update, compile, autopep8, docformatter, isort, pylint, flake8, pydocstyle, docs, verify_tables, py{36, 37, 38, 39, 310, 311, 312}, pypy{36, 37, 38, 39, 310}
+envlist = update, compile, autopep8, docformatter, isort, pylint, flake8, pydocstyle, docs, verify_tables, py{36, 37, 38, 39, 310, 311, 312, 313, 314}, pypy{36, 37, 38, 39, 310}
 skip_missing_interpreters = true
+# needed for Python 3.6
 # https://tox.wiki/en/4.11.3/faq.html#testing-end-of-life-python-versions
 requires = virtualenv<20.22.0
 
@@ -67,18 +68,18 @@ source = wcwidth/
 # version for the newest to oldest python versions for testing, must also use some
 # targeted versions to 'compile' those requirements into their frozen form,
 # otherwise incompatible packages would be pinned. At the time of this writing the
-# files compiled for version 3.9 through 3.11 are compiled by python3.11.
+# files compiled for version 3.9 and later are compiled by python3.13 [WIP].
 [testenv:compile]
-basepython = python3.11
+basepython = python3.13
 commands = python -m compileall {toxinidir}/wcwidth {toxinidir}/bin {toxinidir}/tests {toxinidir}/docs
 
 [testenv:update_requirements_update]
-basepython = python3.12
+basepython = python3.13
 deps = pip-tools
 commands = {[base]pip_compile_command} requirements-update.in -o requirements-update.txt
 
 [testenv:update_requirements_docs]
-basepython = python3.11
+basepython = python3.12
 deps = pip-tools
 commands = {[base]pip_compile_command} requirements-docs.in -o docs/requirements.txt
 
@@ -111,13 +112,14 @@ deps = -r requirements-tests36.txt
 deps = -r requirements-tests36.txt
 
 [testenv:update]
-basepython = python3.12
+basepython = python3.13
 usedevelop = true
 deps = -r requirements-update.txt
 commands = python {toxinidir}/bin/update-tables.py {posargs:--no-check-last-modified}
 
 [testenv:autopep8]
 basepython = python3.11
+deps = autopep8
 commands =
     {envbindir}/autopep8 \
         --in-place \
@@ -126,54 +128,33 @@ commands =
         --aggressive \
         wcwidth/ bin/ tests/ setup.py
 
-[testenv:docformatter]
-basepython = python3.11
-commands =
-    {envbindir}/docformatter \
-        --in-place \
-        --recursive \
-        --pre-summary-newline \
-        --wrap-summaries=100 \
-        --wrap-descriptions=100 \
-        {toxinidir}/wcwidth \
-        {toxinidir}/bin \
-        {toxinidir}/setup.py \
-        {toxinidir}/docs/conf.py
-
 [testenv:isort]
-basepython = python3.11
+deps = isort
+basepython = python3.13
 commands = {envbindir}/isort --quiet --apply --recursive wcwidth tests bin
 
 [testenv:pylint]
-basepython = python3.11
+basepython = python3.13
+deps = pylint
 commands = {envbindir}/pylint --rcfile={toxinidir}/.pylintrc \
            --ignore=tests,docs,setup.py,conf.py,build,distutils,.pyenv,.git,.tox \
            {posargs:{toxinidir}}/wcwidth
 
 [testenv:flake8]
-basepython = python3.11
+basepython = python3.13
+deps = flake8
 commands = {envbindir}/flake8 --exclude=tests setup.py docs/ wcwidth/ bin/ tests/
 
-[testenv:pydocstyle]
-basepython = python3.11
-commands = {envbindir}/pydocstyle --source --explain {toxinidir}/wcwidth
-           {envbindir}/rst-lint README.rst
-           {envbindir}/doc8 --ignore-path docs/_build --ignore-path docs/requirements.txt --ignore D000 docs
-
 [testenv:docs]
-basepython = python3.11
+# matches .readthedocs.yaml and environment
+basepython = python3.12
 deps = -r {toxinidir}/docs/requirements.txt
 commands = sphinx-build docs/ build/sphinx
 
 [testenv:verify_tables]
-basepython = python3.12
+basepython = python3.13
 commands = python {toxinidir}/bin/verify-table-integrity.py
 
-[testenv:sphinx]
-basepython = python3.11
-deps = -r {toxinidir}/docs/requirements.txt
-commands = {envbindir}/sphinx-build {posargs:-v -W -d {toxinidir}/docs/_build/doctrees -b html docs {toxinidir}/docs/_build/html}
-
 [testenv:linkcheck]
 basepython = python3.11
 deps = -r {toxinidir}/docs/requirements.txt
diff --git a/wcwidth/table_wide.py b/wcwidth/table_wide.py
index 879546b..5139b1f 100644
--- a/wcwidth/table_wide.py
+++ b/wcwidth/table_wide.py
@@ -1,7 +1,7 @@
 """
 Exports WIDE_EASTASIAN table keyed by supporting unicode version level.
 
-This code generated by wcwidth/bin/update-tables.py on 2025-09-15 16:57:50 UTC.
+This code generated by wcwidth/bin/update-tables.py on 2025-09-19 15:55:08 UTC.
 """
 WIDE_EASTASIAN = {
     '4.1.0': (
@@ -1413,7 +1413,7 @@
         (0x03105, 0x0312f,),  # Bopomofo Letter B       ..Bopomofo Letter Nn
         (0x03131, 0x0318e,),  # Hangul Letter Kiyeok    ..Hangul Letter Araeae
         (0x03190, 0x031e3,),  # Ideographic Annotation L..Cjk Stroke Q
-        (0x031ef, 0x0321e,),  # (nil)                   ..Parenthesized Korean Cha
+        (0x031ef, 0x0321e,),  # Ideographic Description ..Parenthesized Korean Cha
         (0x03220, 0x03247,),  # Parenthesized Ideograph ..Circled Ideograph Koto
         (0x03250, 0x04dbf,),  # Partnership Sign        ..Cjk Unified Ideograph-4d
         (0x04e00, 0x0a48c,),  # Cjk Unified Ideograph-4e..Yi Syllable Yyr
@@ -1541,7 +1541,7 @@
         (0x03105, 0x0312f,),  # Bopomofo Letter B       ..Bopomofo Letter Nn
         (0x03131, 0x0318e,),  # Hangul Letter Kiyeok    ..Hangul Letter Araeae
         (0x03190, 0x031e5,),  # Ideographic Annotation L..(nil)
-        (0x031ef, 0x0321e,),  # (nil)                   ..Parenthesized Korean Cha
+        (0x031ef, 0x0321e,),  # Ideographic Description ..Parenthesized Korean Cha
         (0x03220, 0x03247,),  # Parenthesized Ideograph ..Circled Ideograph Koto
         (0x03250, 0x0a48c,),  # Partnership Sign        ..Yi Syllable Yyr
         (0x0a490, 0x0a4c6,),  # Yi Radical Qot          ..Yi Radical Ke
@@ -1669,7 +1669,7 @@
         (0x03105, 0x0312f,),  # Bopomofo Letter B       ..Bopomofo Letter Nn
         (0x03131, 0x0318e,),  # Hangul Letter Kiyeok    ..Hangul Letter Araeae
         (0x03190, 0x031e5,),  # Ideographic Annotation L..(nil)
-        (0x031ef, 0x0321e,),  # (nil)                   ..Parenthesized Korean Cha
+        (0x031ef, 0x0321e,),  # Ideographic Description ..Parenthesized Korean Cha
         (0x03220, 0x03247,),  # Parenthesized Ideograph ..Circled Ideograph Koto
         (0x03250, 0x0a48c,),  # Partnership Sign        ..Yi Syllable Yyr
         (0x0a490, 0x0a4c6,),  # Yi Radical Qot          ..Yi Radical Ke