.NET 10.0 RC 1

Release

What's Changed

• Update DBG_MAX_EXECUTABLE_ALLOC_SIZE and EXPECTED_CHUNKSIZE by @tommcdon in #117843
• Serialize unhandled exception for crash dump analysis when ExceptionHandler.RaiseUnhandledExceptionEvent is called by @tommcdon in #117832
• Switch to Azure Linux Arm64 Helix VM hosts by @richlander in #117790
• Couple of small cryptography refactorings by @PranavSenthilnathan in #117850
• Use C# 14's field keyword in more places by @stephentoub in #117817
• Cleanup uses of Interlocked.CompareExchange by @jkotas in #117858
• adding GetAppDomainStoreData cDAC API by @rcj1 in #117633
• Delete AppDomain::m_Stage by @jkotas in #117857
• Fix using your build instructions by @jkotas in #117874
• [mono] fallback to scalar operation for ExtractMostSignificantBits by @saitama951 in #117276
• [Android] Improve InvariantGlobalization support for CoreCLR Android by @davidnguyen-tech in #117748
• Fix ILLink ref assembly build breaks by @MichalStrehovsky in #117875
• cleanup memory after UnflushedBytes_HandlesLargeValues test by @pedrobsaila in #117115
• [browser] Remove placeholder for docs link from warning by @maraf in #117810
• Teach regex about more disjoint sets by @stephentoub in #117869
• Disable IL offset mapping validation by @jakobbotsch in #117809
• Add searched .NET install locations to error message by @elinor-fung in #117796
• GetAppDomainList cDAC implementation by @rcj1 in #117515
• Update area-owners.md by @StephenMolloy in #117511
• [mono][2/2] Add SIMD Support for s390x by @saitama951 in #116779
• Delete ECHash by @jkotas in #117861
• Fix ML-DSA PKCS8 copying bug by @PranavSenthilnathan in #117847
• Update area-owners for libraries ownership changes by @jeffhandley in #117746
• Don't bundle NativeAOT runtime assets in the ILCompiler package by @jkoritzinsky in #116882
• Tar: fix handing of null terminated fields. by @tmds in #117410
• Delete unused corpublish support and multi appdomain support in the debugger by @jkoritzinsky in #117688
• [Json] JsonSerializer+PipeReader support by @BrennanConroy in #116947
• Revert "Switch to Azure Linux Arm64 Helix VM hosts" by @richlander in #117897
• Auto-atomic for more loops followed by boundaries by @stephentoub in #117892
• Ensure that we lookup the correct instruction for embedded masking/broadcast scenarios by @tannergooding in #117828
• JIT: Allow more containment opts in Tier0 by @saucecontrol in #117622
• Obsolete XsltSettings.EnableScript with SYSLIB0062 by @Copilot in #117701
• fix backcompat issue for standalone GC by @Maoni0 in #117793
• events from private provider not getting fired if process starts after event collection starts by @Maoni0 in #117836
• Misc cleanup (fixing comments, deleting dead code) by @jkotas in #117908
• Disable UnsafeAccessorsTests tests on extra-platforms by @kotlarmilos in #117812
• New JsonValue derived class for JSON primitives by @PranavSenthilnathan in #116798
• disable multicast tests on AzureLinux by @wfurt in #117694
• Escape dashes in RegexCharClass.DescribeSet by @stephentoub in #117909
• fix undefined ops for AOT legs by @saitama951 in #117915
• Fix printing subset help through msbuild by @akoeplinger in #117926
• Update VMR orchestrator property by @mmitche in #117933
• Validate injected header values in DiagnosticsHandler by @MihaZupan in #117884
• adding GetOtherNotificationFlags cDAC API by @rcj1 in #117616
• Ensure that bitwise operations of small masks can still be folded by @tannergooding in #117887
• JIT: Simplify Compiler::getHWIntrinsicImmTypes by @amanasifkhalid in #117784
• Revert "Show specific error message for dotnet <app_path> where app_path is a non-dll/exe file that exists" by @elinor-fung in #117937
• Use big endian buffers instead of BigInteger for RSA ASN types by @PranavSenthilnathan in #117851
• Adding GetMethodTableFieldData cDAC API by @rcj1 in #117684
• Add host workflow to copilot-instructions.md by @elinor-fung in #117947
• Permit ByRefLike types with ctor to be activated. by @AaronRobinsonMSFT in #117940
• ClientWebSocket Loopback Server tests by @CarnaViire in #117255
• JIT: Add missing INS_FLAGS_HasPseudoName by @saucecontrol in #117941
• Tune CCMP for better Perf by @khushal1996 in #116445
• Add stub implementation of SlhDsaCng and algorithm identifiers by @vcsjones in #117889
• Disable LargeUriAndHeaders_Works test on browser by @MihaZupan in #117946
• Delete dead code in H3StaticTable by @MihaZupan in #117955
• Make Uri path compression O(n) by @MihaZupan in #117820
• [STJ] Optimize EnumFieldInfo sorting by @IDisposable in #117839
• JIT: Handle byref<->nint casts on addresses in local morph by @jakobbotsch in #117885
• Fix SupportsSettingZeroFlag for shift/rotate nodes by @EgorBo in #117960
• Add Version.Details.props by @dkurepa in #117981
• Fix issues with rejit profiler test by @kg in #117826
• Fix System.Object.GetCustomAttributes() returning extra internal attributes on Mono by @medhatiwari in #117864
• Fix zero-extending displacement on win_x86_x64 JIT by @max-charlamb in #117945
• Add ExcludeStatics API by @sbomer in #117905
• Add ExcludeStatics support to trimming tools by @sbomer in #117904
• Make dotnet --info print all DOTNET_* environment variables by @elinor-fung in #117797
• Set explicit launch timeout for xharness on Apple mobile by @kotlarmilos in #117979
• Add support for Android RIDs to NativeAOT by @jkoritzinsky in #117953
• Respect ISupportErrorInfo for HRESULT to Exception throwing conversion by @jkoritzinsky in #117690
• Use uint.TryFormat to fix TODO in IPAddressParser by @stephentoub in #117300
• Remove ExperimentalAttribute from ML-KEM where applicable by @vcsjones in #117831
• Fix handling of late-discovered atomic lazy loops in compiler / source generator by @stephentoub in #117629
• Check DOTNET_HOST_* for host (COREHOST_*) tracing environment variables by @elinor-fung in #117894
• Only run host tests for linux-x64 on Azure Linux helix queues by @elinor-fung in #118005
• fixing a bug in card mark stealing by @Maoni0 in #117968
• [Apple] Lock over the same object in SafeDeleteSslContext to serialize access to the buffers by @kotlarmilos in #117982
• [wasm][coreclr] Get further in the runtime initialization by @radekdoulik in #116383
• Expand set of known header names and values by @MihaZupan in #117989
• Save and restore Thread.CurrentThread._synchronizationContext for synchronous runtime async calls by @jakobbotsch in #117725
• [browser] Check also corePdb to see if we have any pdb to start debugging by @maraf in #117978
• Update mentionees for apple mobile area labels by @ivanpovazan in #118016
• Expose UTF-8 support from FromHexString, TryToHexString, and TryToHexStringLower on the Convert class by @tannergooding in #117965
• Platform dependency doc changes by @mthalman in #118024
• arm64: Add remaining Sve2 Saturating functions by @jonathandavies-arm in #117934
• Make IsAlive test reliable and re-enable it for crossgen2 by @kg in #117987
• [PERF] Add release/10.0 to trigger branches in perf.yml by @LoopedBard3 in #117994
• Adding GetClrNotification cDAC API by @rcj1 in #117737
• Support auto-atomicity on {lazy} loops by @stephentoub in #117943
• [APX] Enable APX-EVEX.ZU for SETcc instructions by @Ruihan-Yin in #117258
• Unquote primitive string values in JsonNode.ToString() by @PranavSenthilnathan in #117993
• Remove lifetime2 test and remove its crossgen2 test exclusion by @kg in #117995
• Emit IsAotCompatible attribute metadata by @MichalStrehovsky in #118008
• Move RuntimeAsync ifdef to env variable by @agocke in #118011
• Fix GC stress log and analysis by @markples in #108655
• Adding GetAppDomainData cDAC API by @rcj1 in #117827
• Fix SearchValues asserts for WASM by @MihaZupan in #118030
• Print specific error when framework in runtimeconfig.json is missing a version by @elinor-fung in #117914
• [mono][aot] Prevent localloc in a loop during constrained gsharedvt calls by @BrzVlad in #117679
• Remove active issue comment. by @ilonatommy in #117808
• [LoongArch64] Adjust the order of genPopCalleeSavedRegisters() and instGen_Set_Reg_To_Imm() in Epilog to fix the GC interruptible range. by @LuckyXu-HF in #117305
• [clr-interp] Include clrinterpreter library in the iOS app bundle by @kotlarmilos in #117277
• Allow stack size to be configured by @keegan-caruso in #110455
• [Android][CoreCLR] Use relative path instead of just the filename when probing for assembly by @davidnguyen-tech in #118054
• Implement GC bridge VM support in NativeAOT by @jkoritzinsky in #117738
• JIT: Rework *ComplexityExceeds helpers to take caller-defined complexity computation by @amanasifkhalid in #118046
• JIT: Fix check for cast type for cast on top of address by @jakobbotsch in #118019
• Add LocalPath property to RuntimeFile and ResourceAssembly for writing/reading deps.json by @elinor-fung in #118034
• ML-DSA certificate accessors for M.B.C. by @PranavSenthilnathan in #117907
• KeyGen and OSSL support for managed Composite ML-DSA + RSA by @PranavSenthilnathan in #117856
• Simplify lazy initialization by removing Volatile.Read by @xtqqczze in #117868
• Re-enable Method002 test on crossgen by @kg in #118035
• Re-enable VarianceSafety tests on crossgen by @kg in #118036
• Add XML documentation for 29 undocumented .NET 7.0 APIs by @Copilot in #117697
• Check source and destination spans overlap in TryNormalize method by @tarekgh in #118047
• Coalesce adjacent equivalent anchors by @stephentoub in #118083
• Replace nop regex loops with empty by @stephentoub in #118079
• Implement Unsafe.IsAddressLessThanOrEqualTo & Unsafe.IsAddressGreaterThanOrEqualTo by @hamarb123 in #117800
• Fix Regex source generator multithreading issue by @MihaZupan in #118086
• Remove capture groups from negative lookarounds by @stephentoub in #118084
• Remove positive lookarounds that wrap only zero-width assertions by @stephentoub in #118091
• Normalize some well-known negated sets by @stephentoub in #118106
• [Android][CoreCLR] Add runtimeconfig.json support for test host by @davidnguyen-tech in #117980
• [browser] fix JSExport in lazy loaded assembly by @pavelsavara in #117890
• Update mentionees for the binaryformatter-migration label by @jeffhandley in #118082
• chore: remove redundant words in comment by @shangchenglumetro in #117310
• Support Notones in alternation reductions that merge sets by @stephentoub in #118109
• [wasm][interp] Add PackedSimd aliases for AddSaturate and SubtractSaturate by @lewing in #118089
• [wasi] Disable build in .NET 10 by @Copilot in #117936
• arm64: Refactor Helpers.cs by @jonathandavies-arm in #118125
• Further reduce loops around zero-width assertions by @stephentoub in #118111
• [cDAC] Implement ISOSDacInterface::GetJumpThunkTarget by @max-charlamb in #117781
• [cDAC] Rename datadescriptor.h -> datadescriptor.inc by @max-charlamb in #118067
• Fix the issue that the test exits with cannot find Microsoft.Win32.Primitives.dll by @shimingsg in #117699
• Avoid extra boundary checks when preceeded/succeeded char set is known by @stephentoub in #118105
• Fix compilation failure from regex source generator with some lazy loops by @stephentoub in #118132
• Tweak regex source gen for single char repeater by @stephentoub in #118137
• Cleanup for cert accessors by @PranavSenthilnathan in #118116
• Transform regex X| into X? by @stephentoub in #118087
• Adding GetAppDomainName cDAC API by @rcj1 in #117837
• Adding GetAssemblyLoadContext cDAC API by @rcj1 in #117939
• Fix stack limits condition by @MichalStrehovsky in #118077
• Update DefaultStackSize to Thread_DefaultStackSize by @MichalStrehovsky in #118076
• Enable Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations by @ilonatommy in #117985
• JIT: Remove BBF_RUN_RARELY by @amanasifkhalid in #118147
• Fix building with GVM_RESOLUTION_TRACE defined by @MichalStrehovsky in #118160
• Don't do an invalid mask conversion optimization for conditional select nodes by @tannergooding in #118154
• Update version branding to rc1 by @mmitche in #118002
• Remove warning for base type with RequiresUnreferencedCode by @sbomer in #117944
• JIT: Boost inversion for oversize loops with bounds checks by @amanasifkhalid in #118078
• Import illink.targets for ref projects by @sbomer in #118144
• Enable lookarounds to influence atomicity by @stephentoub in #118153
• Simplify SVE unary test template by @snickolls-arm in #118129
• [interp] Forcibly enable intrinsics when we encounter a must-expand call by @kg in #117727
• Don't use vfork on android by @BrzVlad in #118085
• Adjust Test_wait_interrupted_user_apc test timeout to handle deviation due to lowres timers. by @lateralusX in #116066
• Fix broken debugger/debuggee startup handshake protocol on macOS26. by @lateralusX in #118120
• Fix missed places in dataflow analysis that introduce genericness by @MichalStrehovsky in #118020
• [APX] fix a few emitter bugs. by @Ruihan-Yin in #117791
• [wasm] Fix fragmentation caused by large objects allocation by @BrzVlad in #118099
• Add ETW nostack entries for DebugExceptionProcessing events by @tommcdon in #118194
• Enable alc stress by @mangod9 in #117825
• [browser] disable UmaReadWriteGenericStringStructArray_ThrowsArgumentException test by @pavelsavara in #118209
• Add external mu support to ML-DSA by @bartonjs in #117966
• Use IsAotCompatible for libraries by @sbomer in #118149
• ML-DSA SignedCMS by @PranavSenthilnathan in #118088
• Improve SearchValues Teddy throughput on Arm64 by @MihaZupan in #118110
• Improve boundary handling in atomic tests by @stephentoub in #118191
• Conditionally set SYSTEM PATH in host install by @joeloff in #118092
• Adding write capabilities and SetOtherNotificationFlags cDAC API by @rcj1 in #118141
• Fix -msbuild build for Clr subset by @EgorBo in #118206
• Do not look at unboxing bit when looking up constructed generic methods by @MichalStrehovsky in #118211
• Refactor handle kinds into a table and mark the static base address cell handle non-null by @SingleAccretion in #118183
• Partially revert "Combine cast => negate => compare on ARM64 #112944" by @EgorBo in #118208
• arm64: Missing Sve2 Saturate functions by @jonathandavies-arm in #118202
• Add a packed variant of single-value SearchValues by @MihaZupan in #118108
• JIT: fix issue in conditional escape analysis by @AndyAyersMS in #118214
• Tweak positive lookahead handling in CanBeMadeAtomic by @stephentoub in #118221
• [Android] Prevent race condition by synchronizing buffer access by @kotlarmilos in #117950
• Deduplicate base interfaces from another assembly in COM generator by @jtschuster in #111931
• Default IsAotCompatible for ref projects by @sbomer in #118222
• Rename SecretKey to PrivateKey for SLH-DSA by @bartonjs in #118216
• Rename ManagedAssemblyLoadContext to AssemblyLoadContext by @jkotas in #118227
• Fix parallel merge with new usage of renamed method by @bartonjs in #118246
• Enable ConsoleMandel test by @kunalspathak in #116157
• Disable Test_wait_interrupted_user_apc on NAOT due to no support for alertable waits. by @lateralusX in #118231
• Enable fixed DynamicGenerics test by @MichalStrehovsky in #118199
• Rename NDirect -> PInvoke by @jkotas in #118228
• Fix size calculation for derived explicit layout types with no fields by @jkoritzinsky in #118245
• Disable AdvSimd_ro test on native AOT by @MichalStrehovsky in #118235
• Check return types in isCompatibleMethodGDV by @EgorBo in #118027
• Simplify pragma suppressions in generated regex code by @stephentoub in #118258
• [wasm][bench] Fix startup templates build by @radekdoulik in #118272
• Use BBF_IMPORTER for new blocks in helperexpansion.cpp by @EgorBo in #116359
• [wasm] Fix sharing of wbarrier card between los object and wbarrier roots by @BrzVlad in #118271
• Revert "Remove custom allocator." by @ericstj in #117949
• [RuntimeAsync] Tweak some reflection scenarios around async methods. by @VSadov in #118045
• Adding GetThreadFromThinlockID cDAC API by @rcj1 in #118187
• [EventPipe][User_events] Add MetadataID and ProviderName to metadata bytes by @mdh1418 in #118294
• Implement alertable waits for WaitHandle to support APC handling in NativeAOT by @Copilot in #118256
• [LoongArch64] Handle LASX/LSX/FP context depending on ISA availability. by @LuckyXu-HF in #118007
• Add support for patterns by @agocke in #118267
• [browser][AOT] active issue for AOT stack frames by @pavelsavara in #118287
• Standardize netfx test helper for pem encoding by @PranavSenthilnathan in #118259
• Move a couple of WASM threading files to the shared partition by @SingleAccretion in #118304
• Refactor known folder GUIDs to use static properties by @xtqqczze in #118165
• Remove a few array allocations from enumeration by @stephentoub in #118288
• Fix: Assert failure: Thread::IsObjRefValid by @jkotas in #118307
• Avoid redundant GetRVA calls when fetching IL header by @jkotas in #118318
• Regenerate reference assembly for System.Runtime.Serialization.Xml by @jkotas in #118311
• [browser] improve HTTP abort test by @pavelsavara in #118274
• [NRBF] Allow the users to decode System.Nullable by @adamsitnik in #118276
• [wasm] Bump chrome for testing - linux: 138.0.7204.183, windows: 139.0.7258.66 by @github-actions[bot] in #118308
• [RISC-V] Optimize switch table by @tomeksowi in #117048
• [RISC-V] Use auipc for code addresses in INS_OPTS_C by @tomeksowi in #117196
• [RyuJit] Ignore missing SPMI data when printing string literals by @SingleAccretion in #118303
• Updating LSRA to prevent eGPR use as GC tracked regs. by @DeepakRajendrakumaran in #117991
• [wasm] Add missing properties to PropertiesThatTriggerRelinking for WASM and WASI by @Copilot in #117983
• [browser][WBT] Remove MT signalR tests by @ilonatommy in #118323
• [RISC-V] Add pseudo instruction not and replace xori when immediate is -1 by @credo-quia-absurdum in #117967
• Update area-owners lead for System.ClientModel by @jeffhandley in #118326
• arm64: Split GenerateHWIntrinsicTests_Arm.cs into smaller files by @jonathandavies-arm in #118157
• JIT: fix retyping of some storeinds during object stack allocation by @AndyAyersMS in #118251
• [QUIC] Do async validation only from > 2.4, i.e. 2.4.1+ by @ManickaP in #118339
• Rename SecretKey to PrivateKey for ML-DSA by @bartonjs in #118248
• Augment regex source generator's DescribeSet to better describe common sets by @stephentoub in #118340
• Simplify/fix loop descriptions in regex source generator by @stephentoub in #118341
• Update framework-design-guidelines-digest.md by @glyphstalker in #116715
• Use nint for native-sized integers in Marshal by @xtqqczze in #118335
• Add trim/aot analyzer warnings for transitive references by @sbomer in #118180
• EC-DSA Composite ML-DSA for net8+ by @PranavSenthilnathan in #118232
• Pull latest Composite ML-DSA test vectors by @PranavSenthilnathan in #118325
• Use (Un)ManagedValuesSource.Length as length condition in marshalling and unmarshalling loops by @jtschuster in #118190
• Remove pinned XunitAnalyzersVersion from Versions.props by @akoeplinger in #118241
• Fix thread abort issue with funceval by @janvorli in #118354
• Use nint for native-sized integers in Interlocked by @xtqqczze in #118336
• Use nint for native-sized integers in Volatile by @xtqqczze in #118360
• Use minipal_hires_ticks() as random seed by @jkotas in #118362
• [Android] Update ActiveIssue references for Android in MutexTests by @kotlarmilos in #118343
• Always tamper the signature in the data area by @bartonjs in #118357
• [Apple mobile] Disable iOS.Simulator.LibraryMode.Test on simulator by @kotlarmilos in #118269
• Fix perf bug in RegexCompiler when handling .*? by @stephentoub in #118373
• Do not reset size of TailCallArgBuffer by @jkotas in #118365
• [QUIC] Disable timing out test on OSX by @ManickaP in #118392
• JIT: Remove redundant normalizing casts when passing and returning structs by @jakobbotsch in #118345
• Add tests for singlefile bundles with non-ascii characters by @jtschuster in #118281
• [mono][infra] Increase fullAOT LLVM CI timeout by @matouskozak in #118378
• Handle 'lib' variants in ModuleNameVariations to generate DirectPInvokes by @jtschuster in #118285
• JIT: Always compute loop iteration estimate in loop inversion if we have PGO data by @amanasifkhalid in #116104
• JIT: Fix ARM64 emitter tests by @amanasifkhalid in #117768
• Fix reading Zip64 end of central directory locator by @rzikm in #118239
• [wasm][AOT] fix codegen for small structs on stack by @pavelsavara in #118355
• Remove 2GB allocations from MemoryStream_SeekOverflow_Throws. by @vcsjones in #118400
• Remove some uses of dynamic from HardwareIntrinsic test code by @snickolls-arm in #118273
• Replace native sized -> native-sized by @xtqqczze in #118402
• Replace NET8_0_OR_GREATER with NET across all source files by @Copilot in #118363
• Fix xUnit1041 in pri1 runtime tests by @akoeplinger in #118412
• Managed Composite ML-DSA + ECDSA for netfx by @PranavSenthilnathan in #118356
• Add tests for assembly resolution downgrading via extension mechanisms by @Copilot in #118040
• Introduce MetadataEEType node halfway between Constructed and Necessary by @MichalStrehovsky in #118060
• Increase default stack guard on x86 Windows by @gregg-miskelly in #118277
• Fix constrained call corner cases by @MichalStrehovsky in #111178
• [Socket] Fix expected exception type by @ManickaP in #118403
• Add default StaticWebAssetMakeReferencedAssetOriginalItemSpecAbsolute for WebAssembly apps by @Copilot in #118394
• JIT: Fix RISC-V emitter build by @amanasifkhalid in #118407
• [clr-interp] Implement missing support for startup path by @kotlarmilos in #118404
• Remove unsigned implementation of ShiftRightArithmeticNarrowingSaturateEven/Odd by @snickolls-arm in #118338
• Restore registers at the head of chains of contained nodes by @a74nh in #118430
• [RISC-V] Restore temp register in switch table codegen by @tomeksowi in #118439
• [RISC-V] Replace addi, addiw with mov, sext.w when immediate is zero by @credo-quia-absurdum in #117932
• Rename some files compiled for netstandard21 by @xtqqczze in #118435
• Disable some TimeZoneInfoTests on Android by @matouskozak in #118329
• Fix conditional usage of OrderedDictionary.TryGetValue by @xtqqczze in #118441
• Remove further uses of dynamic from HardwareIntrinsic test code by @snickolls-arm in #118449
• Remove redundant #if NET directives from .NET-only files by @Copilot in #118424
• Implement NoSEH flag setting for crossgened modules in ILLink by @Copilot in #117779
• Reapply "Implement type name resolution for ILLink analyzer (#106209)" (#106343) by @sbomer in #116505
• [mono][debugger] Fix assertion when stepping by @thaystg in #118458
• Use module as ID for debugger module cache instead of domain assembly by @tommcdon in #118414
• Remove List.Enumerator.MoveNextRare by @stephentoub in #118425
• JIT: create inferred GDVs for enumerator var uses that lack PGO by @AndyAyersMS in #118461
• [Json] Avoid ReadOnlySequence with Stream deserializing by @BrennanConroy in #118408
• Remove unnecessary length check in Guid parsing by @PranavSenthilnathan in #118181
• Merge PriorityQueue.Enumerator.MoveNextRare into MoveNext and use ThrowHelper for version checks by @Copilot in #118467
• Fix interpreter helper and stack size computation by @janvorli in #118477
• Return false in PropagateNeverToRuntime for BBJ_THROW blocks by @EgorBo in #118280
• [cDAC] Refactor datadescriptor infrastructure by @max-charlamb in #118453
• Allow MethodDesc::GetILHeader to work correctly under rejit scenarios by @tommcdon in #118465
• JIT: Refine assert for RMW check in crc32 and hw intrinsic codegen by @jakobbotsch in #108750
• [EventPipe] Fix user_events metadata label scope by @mdh1418 in #118474
• Fix static virtual methods for delegate creation by @davidwrighton in #118470
• [main] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #117845
• Fix few startup path issues with interpreter by @janvorli in #118448
• Update JIT interface to help reduce shared stubs by @AaronRobinsonMSFT in #118462
• [clr-interp] Intrinic handling for Delegate Invoke methods by @davidwrighton in #118406
• Make host tests clear out host tracing variables by default by @elinor-fung in #118419
• Update RapidJSON by @am11 in #118432
• Diagnostic changes to R2R for issues #106675 and #108255 by @kg in #118370
• [clr-interp] Fix issues found in the startup path with the interpreter by @davidwrighton in #118497
• Update to zlib-ng 2.2.5 by @ericstj in #118457
• Eliminate NextCallReturnAddress call followed by CEE_POP by @janvorli in #118500
• [clr-interp] Handle some forms of unboxing stub by @davidwrighton in #118501
• Remove mentions of long removed function. by @AaronRobinsonMSFT in #118509
• [clr-interp] Fix INTOP_CGT_UN_I8 by @davidwrighton in #118511
• Fix rebuilding mono aot cross compiler when building locally by @akoeplinger in #118445
• JIT: postorder local assertion prop for fieldwise block op indirs by @AndyAyersMS in #118368
• Fix unhandled exception reporting corner cases by @janvorli in #118450
• SPMI: Assert map exists in repGetCookieForPInvokeCalliSig by @jakobbotsch in #118524
• Update System.Numerics.Tensors PACKAGE.md to reflect current library capabilities by @Copilot in #118512
• [cDAC] Change pointer data to be compile-time constant by @max-charlamb in #118543
• Update Microsoft.Bcl.Cryptography nuget package text by @vcsjones in #118545
• Qualify the name of the CharSet type for LibraryImport downlevel/fallback usages by @jkoritzinsky in #118460
• JIT: allow inliner to use up more of the lva "budget" by @AndyAyersMS in #118515
• Don't fold CNS_VEC into a broadcast for EQ/NE(AND(X, CnsVec), ZeroVector) by @EgorBo in #118504
• [mono][arm64] Fix SeqPointInfo allocation by @BrzVlad in #118542
• Add _UseNativeLibPrefix option for publishing a NativeAOT shared library on Unix by @jtschuster in #118299
• Mark the vectorized CRC update methods noinline by @AndyAyersMS in #118544
• Add ExtensionMarkerAttribute by @jcouv in #118188
• Make ExceptionHandling.RaiseAppDomainUnhandledExceptionEvent() thread safe. by @AaronRobinsonMSFT in #117844
• [RyuJit] Mark some well-known indirs with some flags by @SingleAccretion in #118289
• Use StrategyBasedComWrappers for all IError* interfaces in OleDb by @jkoritzinsky in #118513
• JIT: Build community JITs on Windows in superpmi-diffs again by @jakobbotsch in #118437
• Remove unsafe code from Log2SoftwareFallback by @stephentoub in #118560
• Revert changes to HttpClient/SslStream certificate revocation check mode by @rzikm in #118456
• [Infra] Re-enable Android emulator tests by @kotlarmilos in #118434
• Arm64: re-enable use of predicate variants by @a74nh in #117313
• Make the HardwareIntrinsic tests rebuild when templates are updated by @snickolls-arm in #118486
• JIT: Do not mark small types RegOptional as part of GT_LONG contained by HWIntrinsic by @saucecontrol in #118550
• [clr-interp] Change size type from size_t to uint32_t in INTOP_CPBLK by @kotlarmilos in #118584
• Add NativeAOT on Android test by @jtschuster in #118037
• [browser] Hard fingerprint user JavaScript files in wasmbrowser template by @maraf in #118572
• [cDAC] Implement IXCLRDataProcess.EnumMethodInstancesByAddress by @max-charlamb in #115131
• Add stubs for CompositeMLDsa APIs by @PranavSenthilnathan in #118520
• Fix documentation for LoadAndPack* methods in TeddyHelper by @xtqqczze in #118178
• JIT: Avoid creating impossible equality assertions by @jakobbotsch in #118586
• JIT: Only optimize out integral casts for returned fields by @jakobbotsch in #118593
• Cache the AssemblyQualifiedName property value by @AaronRobinsonMSFT in #118495
• Fix timing threshold in threading test 115178 to address jitstress2 failures by @Copilot in #118601
• Fix benchmarksgame tests to be able to resolve the embedded resources by @tannergooding in #118605
• Extend allowed SemaphoreSlim wait TimeSpan values to match Timer and other APIs by @eduardo-vp in #117398
• Make FilePatternMatch.Stem non-nullable. by @MitchBodmer in #118410
• Ensure we track MakeGenericType by @MichalStrehovsky in #118479
• fixing a regression in regions related to UOH allocations during BGC by @Maoni0 in #118567
• Make DynamicGenerics test run faster by @MichalStrehovsky in #118627
• [main] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #117593
• JIT: Remove side effect detection quirk in loop hoisting by @amanasifkhalid in #118463
• Clean up shared logic in MethodBodyScanner by @sbomer in #118615
• JIT: slightly increase the inline budget by @AndyAyersMS in #118641
• Fix up ComplexHierarchyPositive test output by @MichalStrehovsky in #118436
• Put different arches in different yml for NativeAOT Android pipelines by @jtschuster in #118622
• Adding GetThreadStaticBaseAddress cDAC API by @rcj1 in #118411
• [main] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #118514
• Fix issue #114504 by not emitting empty gcrefmaps in R2R by @kg in #118594
• Re-enabling Canonicalization Tests. by @StephenMolloy in #118322
• Serialization reenable tests by @StephenMolloy in #118507
• Improve TypeBuilderInstantiation error messages to guide users to TypeBuilder static methods by @Copilot in #118638
• [RuntimeAsync] Follow up for unboxing and instantiating stubs. by @VSadov in #118301
• Expose the extension operators for Tensor, TensorSpan, and ROTensorSpan by @tannergooding in #117997
• Flip logic for enabling VXSort in the GC by @MichalStrehovsky in #118633
• [browser] Generate source maps as hidden in Release configuration by @maraf in #118635
• Revert backflow and re-apply VMR build by @mmitche in #118657
• JIT: Do not remove type changing casts in lowering optimization by @jakobbotsch in #118636
• Avoid some Unsafe.As by @xtqqczze in #118655
• [browser] Override boot config only when the content changes by @maraf in #118637
• Improve OpenSSL digest performance by @vcsjones in #118613
• Update Composite ML-DSA import/export APIs by @PranavSenthilnathan in #118600
• Add intrinsic analysis support for Type.GetMethod overload with genericParameterCount and BindingFlags by @Copilot in #118003
• [PQC] Update tests for latest Win11 Insiders by @PranavSenthilnathan in #118612
• Fix using obsolete WebHostBuilder in wasm DevServer/DebugProxy by @akoeplinger in #118679
• Update host to use the optional localPath property when resolving assets by @elinor-fung in #118297
• [PERF] Update Android app paths to match new publish path. by @LoopedBard3 in #118692
• Fix type parameter mapping for static closures by @sbomer in #118607
• Disable canonicalization tests with native AOT by @MichalStrehovsky in #118676
• Skip generating debug info for deduplicated nodes by @MichalStrehovsky in #118671
• Fix misaligned memory writes in i386 and amd64 dynamic helper code generation by @Copilot in #118680
• Replace Assert.NotNull with Assert.Empty in AsyncEnumerable SequenceTests by @Copilot in #117821
• Trim custom attributes by @MichalStrehovsky in #118640
• Adding GetStaticBaseAddress cDAC API by @rcj1 in #118282
• Fix tests on macOS 26 beta 6 by @vcsjones in #118652
• Adding GetMethodTableInitializationFlags cDAC API by @rcj1 in #118493
• Only add GVMDependencies for types with used GVMs by @MichalStrehovsky in #118704
• Refactor code so it doesn't hit mono aot limitation by @BrzVlad in #118698
• Revert "Increase cost of ARR_LENGTH node to match IND(ADD(..,CNS)) #117531 by @EgorBo in #118707
• Fix assert in IsKnownConstant importation by @EgorBo in #118634
• Improve docs for building & running CoreCLR Android on Windows + WSL by @davidnguyen-tech in #118672
• Delete dead code in superpmi by @jkotas in #118717
• Bump actions/checkout from 4 to 5 by @dependabot[bot] in #118626
• [Android][CoreCLR] Use runtimeconfig.bin for runtime configuration lookup in ApkBuilder by @Copilot in #118674
• Disable async test assert with race condition by @jakobbotsch in #118735
• Fix runtime-linker-tests pipeline by @sbomer in #118738
• Fix logging source generator CS0234 error with FormattableString namespace by @stephentoub in #118691
• Remove ZipHelper.ReadBytes wrapper methods and use Stream.ReadAtLeast directly by @Copilot in #118629
• Report invalid global.json state in dotnet --info and hostfxr_resolve_sdk2 by @elinor-fung in #118418
• Fix Equals for cryptographic wrappers by @vcsjones in #118715
• Make StandardOleMarshalObject ComVisible by @jkoritzinsky in #118745
• [main] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #118681
• Correctly lock around iterating the AvailableParamTypes hashtable when adding fields/classes via ApplyMetadata by @davidwrighton in #118608
• Rename RuntimeType.IsInterface to avoid issues with Reflection by @AaronRobinsonMSFT in #118749
• Change some tests to be conditional on the availability of SCOSSL by @vcsjones in #118663
• Support for arbitrary self-referential static fields on a type by @davidwrighton in #118413
• Fix RequiresDynamicCode warnings in OleDb by @agocke in #118624
• [main] Update dependencies from dnceng/internal/dotnet-optimization by @dotnet-maestro[bot] in #118743
• Put native format ToString overrides under ifdef by @MichalStrehovsky in #118723
• JIT: Handle async calls implemented via ldvirtftn properly by @jakobbotsch in #118726
• [Android] Disable ImportWithPasswordOrFileName_IterationCountLimitExceeded and HTTP tests by @davidnguyen-tech in #118733
• [main] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #118759
• Put LogExceptionThrown on the NativeRuntimeEventSource plan by @MichalStrehovsky in #118729
• Restore calls to CreateFatalHandshakeAlertToken on Android by @rzikm in #118765
• [browser] Apply COOP/COEP headers only when threads are enabled by @maraf in #118767
• [browser] enable HttpStreamingDisabledBy_WasmEnableStreamingResponse_InProject test by @pavelsavara in #118203
• [browser] Emit hosting messages expected by debug proxy launcher by @maraf in #118775
• arm64: Pass imm value directly to Sve function in SveVecImmUnOpTest Template by @jonathandavies-arm in #118518
• Drop size of hello world to 745 kB by @MichalStrehovsky in #118718
• Add some tests for shared mutex corner cases by @jkoritzinsky in #118710
• Remove crossgen exclusions for issue 108255 by @kg in #118781
• Update Android Codespace by @vcsjones in #118793
• [MONO] Partially revert "Clean up in Number.Formatting.cs (#110955)" by @EgorBo in #118499
• Fix coreclrpal link order in mscordac by @corngood in #118780
• [MONO] Partially revert "Add TypeName APIs to simplify metadata lookup" by @jkotas in #118761
• Use MetadataTypeSymbol in interop type maps by @MichalStrehovsky in #118776
• Fix BuildChainForCertificateSignedWithDisallowedKey. by @vcsjones in #118777
• Fix the formatting of the tensor ToString functions by @tannergooding in #118750
• Fix check for host_runtime_contract having external_assembly_probe by @elinor-fung in #118792
• Add mechanism to allow CoreLib trimming to leverage whole program analysis by @MichalStrehovsky in #118769
• SVE2 FP API's by @jacob-crawley in #118332
• Fix Composite ML-DSA OIDs by @MackinnonBuck in #118795
• Add more info for StdErrAfter assertion in host tests by @elinor-fung in #118712
• introduce a few configs for DATAS fine tuning by @Maoni0 in #118762
• Add limit on trim analyzer CFG convergence iterations by @jtschuster in #118760
• Rc1 mopup by @agocke in #118812
• [release/10.0-rc1] Introduce size-optimized IListSelect iterator by @github-actions[bot] in #118829
• [release/10.0-rc1] JIT: fix issue with EH clause class types for fault/filters from C++/CLI by @github-actions[bot] in #118905
• [release/10.0-rc1] Add trim analysis for implicit constructors by @github-actions[bot] in #118854

New Contributors

• @shimingsg made their first contribution in #117699
• @credo-quia-absurdum made their first contribution in #117967
• @glyphstalker made their first contribution in #116715
• @MitchBodmer made their first contribution in #118410

Full Changelog: v10.0.0-preview.7.25380.108...v10.0.0-rc.1.25451.107