.NET 10.0 RC 2

Release

What's Changed

• [release/10.0] Disable release assert on disallowed thread re-initialization for managed C++ by @github-actions[bot] in #118964
• [release/10.0][Android] Avoid calling membarrier on older Android versions by @simonrozsival in #119054
• [release/10.0] [Android] Normalize RSA no-padding output to modulus size to fix VerifyHash by @github-actions[bot] in #118950
• [release/10.0] [mono][aot] Fix minor gsharedvt leaks by @github-actions[bot] in #119057
• [release/10.0] [browser][ws] fix race condition during message and close events by @github-actions[bot] in #119085
• [release/10.0] Fix deadlock when creating threads from ModuleInitializer in a shared library by @github-actions[bot] in #119082
• [release/10.0] Fixup some Vector function lookups to use the right name/type by @github-actions[bot] in #119080
• [release/10.0] Avoid marking types as reflected on in CreateSpan by @github-actions[bot] in #118908
• [release/10.0] Add cast to ComAwareWeakReference rehydrate path by @github-actions[bot] in #119141
• [release/10.0] [NativeAOT] Fix floating pointer register unwinding on Arm32 by @github-actions[bot] in #119150
• [release/10.0] JIT: Use native sized indices in the backend for GetElement and WithElement by @jakobbotsch in #119172
• [release/10.0] Clear TS_GCSuspendRedirected at the end of thread redirection by @github-actions[bot] in #119168
• [release/10.0] JIT: Consistently DNER promoted parameters on arm32 by @github-actions[bot] in #119055
• [automated] Merge branch 'release/10.0-rc1' => 'release/10.0' by @github-actions[bot] in #118890
• [release/10.0] [NativeAOT] Adjust SSP to match RSP of the throw site by @github-actions[bot] in #119194
• [release/10.0] JIT: Disallow widening tailcalls in async functions by @github-actions[bot] in #119175
• [release/10.0] Implement UnhandledException hook for finalizer scenario in Mono. by @github-actions[bot] in #118878
• [release/10.0] Throttle finalization a bit when doing GC stress. by @github-actions[bot] in #119044
• [release/10.0] Fix elfreader for android by @github-actions[bot] in #119191
• [release/10.0] Add trim analyzer support for C# 14 extensions by @sbomer in #119195
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119242
• [release/10.0] [maccatalyst] Check for -Wno-overriding-option for compatibility with clang in Xcode 16.3+ by @github-actions[bot] in #119261
• [release/10.0] Fixes trying to create a module using a trash as the address of the module by @github-actions[bot] in #119063
• [release/10.0] limit regions_range to 2x physical_mem for WKS by @github-actions[bot] in #119192
• [release/10.0] [browser] Append uniqueness to webcil temp path & move instead of copy by @github-actions[bot] in #119258
• [release/10.0] Removes IEquatable constraint from ThrowIfEqual/NotEqual by @github-actions[bot] in #119252
• [release/10.0] Improve compat for low rights users loading CAPI machine keys via PFX by @github-actions[bot] in #119185
• [release/10.0] JIT: fix crash in LSRA seen on VMR build on AVX-512 machines by @github-actions[bot] in #119270
• [release/10.0] [Preserve Lock ID Members by @github-actions[bot] in https://github.com//pull/119283
• [release/10.0] [wasm] Use lightweight marshal for enums by @github-actions[bot] in #119296
• [release/10.0] Use DllImportSearchPath.AssemblyDirectory for loading jitinterface library by @github-actions[bot] in #119333
• [release/10.0] [mono][aot] Avoid use of local buffer that could overflow by @github-actions[bot] in #119202
• [release/10.0] [S390X] Add simd fallback support for unsupported s390x architectures by @github-actions[bot] in #119284
• [release/10.0] Update Microsoft.NETCore.CoreDisTools nuget package from 1.5 to 1.6 by @github-actions[bot] in #119357
• [release/10.0] JIT: handle commas during inline return value substitution by @github-actions[bot] in #119271
• [release/10.0] Use a SafeHandle when duplicating a certificate context. by @github-actions[bot] in #119372
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119378
• [release/10.0] Limit doublemapper maximum size by @github-actions[bot] in #119392
• [release/10.0] Non-zero result of Vector3.Cross with parallel vectors by @github-actions[bot] in #119450
• [release/10.0] [HTTP] Stress fix for docker compose by @github-actions[bot] in #119453
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119476
• [release/10.0] Move MLDsa Experimental to appropriate members by @github-actions[bot] in #119515
• [release/10.0] Fix System.Net.Http.Functional.Tests.*.NoCallback_RevokedCertificate_RevocationChecking_Fails by @github-actions[bot] in #119315
• [release/10.0] Fix ProfileEnter when called on a foreign thread by @github-actions[bot] in #119349
• [release/10.0] JIT: Handle more unsupported argument conversion cases by @jakobbotsch in #119388
• [release/10.0] Fix file size estimation when bundling symlinks by @github-actions[bot] in #119406
• [release/10.0] Propagate DynamicallyAccessedMembers annotations to auto-properties only by @jtschuster in #119407
• [release/10.0] [DAC] fix dac_gc_heap marshalling by @github-actions[bot] in #119471
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119561
• [release/10.0] Remove IList.Contains use from OfType by @github-actions[bot] in #119608
• [release/10.0] [H/3] Fix interop tests. by @github-actions[bot] in #119521
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119678
• [release/10.0] Disable DisableUnusedRsaPadding_Connects/DisableUsedRsaPadding_Throws on OpenSSL 1.1.1 by @github-actions[bot] in #119705
• [release/10.0] [OSX] ip_mreqn struct is not supported for IPv4 Multicast by @github-actions[bot] in #119480
• [release/10.0] [EventPipe][UserEvents] Allow empty tracepoint sets by @github-actions[bot] in #119666
• [release/10.0] Update dependencies from dnceng/internal/dotnet-optimization by @dotnet-maestro[bot] in #119052
• [release/10.0] Update dependencies from dotnet/hotreload-utils, dotnet/runtime-assets by @dotnet-maestro[bot] in #118803
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119741
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119792
• [release/10.0] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #118804
• [release/10.0] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #118831
• [release/10.0] Fix trace state key parsing in W3C propagator to support digits by @github-actions[bot] in #119789
• [release/10.0] Fix Tensor.StdDev vs TensorPrimitives.StdDev differences for Complex input by @github-actions[bot] in #119798
• [release/10.0] Source code updates from dotnet/dotnet by @dotnet-maestro[bot] in #119831
• [release/10.0] [QUIC] Update Windows MsQuic by @ManickaP in #119764
• [release/10.0] Prevent format injection in hosting Windows PAL printf functions when redirected to file by @github-actions[bot] in #119728
• [release/10.0] Set IDE0031 to suggestion in eng/CodeAnalysis.src.globalconfig by @akoeplinger in #119755
• [release/10.0] [System.Native] check ro.build.version.sdk_full for minor Android releases by @github-actions[bot] in https://github.com/dotnet/runtime/p...

.NET 9.0.10

Release

What's Changed

• [release/9.0-staging] Disable release assert on disallowed thread re-initialization for managed C++ by @github-actions[bot] in #118842
• [release/9.0-staging] [wasm][AOT] fix codegen for small structs on stack by @github-actions[bot] in #118416
• Update branding to 9.0.10 by @vseanreesermsft in #119280
• [release/9.0-staging] Don't use vfork on android by @github-actions[bot] in #118331
• [release/9.0-staging] [mono][debugger] Fix assertion when stepping by @github-actions[bot] in #118459
• [release/9.0-staging][maccatalyst] Check for -Wno-overriding-option for compatibility with clang in Xcode 16.3+ by @akoeplinger in #119301
• [release/9.0-staging][HTTP] Stress fix for docker compose by @ManickaP in #119455
• Merging internal commits for release/9.0 by @vseanreesermsft in #119505
• [9.0] Preserve Lock ID Members by @jkoritzinsky in #119281
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #118940
• [release/9.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #118151
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #118372
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #118423
• [release/9.0-staging] Update dependencies from dotnet/roslyn by @dotnet-maestro[bot] in #118193
• [release/9.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #118758
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119619
• [release/9.0-staging] Update dependencies from dotnet/source-build-reference-packages by @dotnet-maestro[bot] in #119598
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119620
• [release/9.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #119051
• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #118492
• [release/9.0-staging] [H/3] Fix interop tests. by @github-actions[bot] in #119522
• [release/9.0-staging] Disable tests parallelization in flaky OleDB tests by @github-actions[bot] in #119626
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119690
• [release/9.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #118224
• [release/9.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #119677
• [release/9.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #119635
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119669
• [release/9.0-staging] Fix recursion issue found in PROCCreateCrashDump by @github-actions[bot] in #119128
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119742
• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #119721
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119753
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119793
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119809
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119832
• [release/9.0-staging] Update dependencies from dotnet/roslyn by @dotnet-maestro[bot] in #119830
• Backport macOS 26 Tahoe test fixes to release/9.0-staging by @vcsjones in #119716
• [release/9.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #119871
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119872
• [release/9.0-staging] Disable Multicast SocketOption test by @github-actions[bot] in #119889
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119932
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119900
• [manual] Merge release/9.0-staging into release/9.0 by @tarekgh in #119966
• [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #120025
• [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #120111

Full Changelog: v9.0.9...v9.0.10

.NET 8.0.21

Release

What's Changed

• [release/8.0] Bump usages of MicroBuild task to v4 by @hoyosjs in #119027
• [release/8.0-staging] make Http2_RequestFailsWithAppropriateHttpProtocolException test more deterministic by @github-actions[bot] in #119103
• Update branding to 8.0.21 by @vseanreesermsft in #119279
• [release/8.0-staging][maccatalyst] Check for -Wno-overriding-option for compatibility with clang in Xcode 16.3+ by @akoeplinger in #119303
• [release/8.0-staging] Reapply distribute free regions by @mangod9 in #117736
• [release/8.0-staging][HTTP] Stress fix for docker compose by @ManickaP in #119454
• Merging internal commits for release/8.0 by @vseanreesermsft in #119504
• [release/8.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119065
• [release/8.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #118591
• [release/8.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #118757
• [release/8.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #118537
• [release/8.0] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119618
• [release/8.0-staging] Update dependencies from dotnet/source-build-reference-packages by @dotnet-maestro[bot] in #119668
• [release/8.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #118535
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #118491
• [release/8.0-staging] [H/3] Fix interop tests. by @github-actions[bot] in #119523
• [release/8.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #118540
• [release/8.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119676
• [release/8.0] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119675
• Backport macOS 26 Tahoe test fixes to release/8.0-staging by @vcsjones in #119717
• [release/8.0-staging] Disable tests parallelization in flaky OleDB tests by @github-actions[bot] in #119627
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #119720
• Remove darc-pub-dotnet-runtime-488a8a3 feed from Wasm tests by @akoeplinger in #119882
• [release/8.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #119791
• [release/8.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #119829
• [release/8.0] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119740
• [release/8.0-staging] Disable Multicast SocketOption test by @liveans in #119888
• [release/8.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #119751
• [manual] Merge release/8.0-staging into release/8.0 by @tarekgh in #119964
• [release/8.0] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #119980
• [release/8.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #120026
• [release/8.0] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #120032
• [release/8.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #120110

Full Changelog: v8.0.20...v8.0.21

.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...

.NET 9.0.9

Release

What's Changed

• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #117671
• [release/9.0-staging] [Test Only] Fix BuildChainCustomTrustStore test by @github-actions[bot] in #117761
• [release/9.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #117742
• [release/9.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #117872
• [release/9.0-staging] Update dependencies from dotnet/sdk by @dotnet-maestro[bot] in #117873
• Revert "[release/9.0-staging] Update dependencies from dotnet/sdk" by @lewing in #118001
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #117910
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #117962
• [release/9.0-staging] Update dependencies from dotnet/roslyn by @dotnet-maestro[bot] in #118080
• [release/9.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #118114
• [release/9.0-staging] Fix broken debugger/debuggee startup handshake protocol on macOS26. by @github-actions[bot] in #118212
• [release/9.0-staging] [NRBF] Allow the users to decode System.Nullable by @github-actions[bot] in #118328
• [release/9.0-staging] [Test Only] Disable/modify some TimeZoneInfoTests on Android by @github-actions[bot] in #118455
• Update branding to 9.0.9 by @vseanreesermsft in #118349
• Merging internal commits for release/9.0 by @vseanreesermsft in #118451
• [release/9.0-staging] Revert "Remove custom allocator." by @github-actions[bot] in #118279
• [release/9.0] Merge release/9.0-staging changes by @krwq in #118764
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #117879

Full Changelog: v9.0.8...v9.0.9

.NET 8.0.20

Release

What's Changed

• [release/8.0-staging] [Test Only] Disable the UTFStringConversionFailures test on CI runs by @github-actions[bot] in #117489
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #117672
• [release/8.0-staging] [Test Only] Fix BuildChainCustomTrustStore test by @github-actions[bot] in #117762
• [release/8.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #118128
• [release/8.0-staging] fixing a bug in card mark stealing by @github-actions[bot] in #118009
• [release/8.0-staging] Fix broken debugger/debuggee startup handshake protocol on macOS26. by @github-actions[bot] in #118213
• Update branding to 8.0.20 by @vseanreesermsft in #118348
• Merging internal commits for release/8.0 by @vseanreesermsft in #118452
• [release/8.0] Merge release/8.0-staging changes by @krwq in #118763
• [release/8.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #117878

Full Changelog: v8.0.19...v8.0.20

.NET 10.0 Preview 7

Release

What's Changed

• Unwrap RCWs that are passed to Marshal.GetIUnknownForObject when using the global marshalling ComWrappers instance by @jkoritzinsky in #115436
• Harden CancelSendPingAsync tests by @antonfirsov in #116588
• Add few interpreter bringup diagnostic improvements by @janvorli in #116699
• Virtual stub indirect call profiling by @AndyAyersMS in #116453
• Generalize HTTP/2 trailer tests to cover HTTP/3 by @antonfirsov in #116113
• JIT: Properly check spilling around fat pointer calls by @jakobbotsch in #116692
• [cDAC] Move AMD64 Unwinder to managed code by @max-charlamb in #116488
• Add constrained support for calls by @BrzVlad in #116702
• Bump main to .NET 10 Preview 7 by @jozkee in #116724
• Add CollectionsMarshal.AsBytes(BitArray) by @stephentoub in #116308
• Add an entry on the coding style for primary constructors by @jkoritzinsky in #116723
• Fix the compiler toolset override for runtime-async by @agocke in #116722
• Folds CCW VTables for root COM interfaces by @dongle-the-gadget in #116289
• Implement SVE2 ShiftLeftLogical Intrinsics by @snickolls-arm in #116380
• Fix remaining uses of hccall by @davidwrighton in #116561
• JIT: Propagate GC safe point flag in fgSplitBlockAtBeginning by @amanasifkhalid in #116718
• Fix HttpClientHandler.CreateNativeHandler implementation by @jkoritzinsky in #116707
• JIT: Reduce heuristics-derived edge likelihoods into throw blocks found by morph by @amanasifkhalid in #116637
• [cDAC] Support x86 stackwalking by @max-charlamb in #116072
• Fix HTTP/2 pings not working with zero connection lifetime by @Copilot in #115735
• Generate rank information in BulkType events by @MichalStrehovsky in #116749
• Add ModuleBaseAddress to ETW manifest by @MichalStrehovsky in #116744
• Disable System.Runtime.InteropServices.JavaScript.Tests on Windows by @ilonatommy in #116734
• Arm64 SVE: Optimise zero/allbits vectors the same as masks by @a74nh in #115566
• Record struct packing even when falling back to auto layout by @jkoritzinsky in #116608
• Fix documentation for Narrow methods in Vector128 by @xtqqczze in #116582
• Remove PopCountOperator guards in TrailingZeroCountOperator.Invoke by @alexcovington in #116721
• Update Enumerable.Sequence based on post-merge feedback by @stephentoub in #116793
• Add support for Classify, CompressStore, ExpandLoad, MaskLoad, MaskStore, and MoveMask by @tannergooding in #116708
• dont try to zero-out mapping if VirtualAlloc fails by @mangod9 in #116794
• [Linux][EventPipe][UserEvents] Add user events eventpipe support by @mdh1418 in #115265
• Fix DAC-ification of the InterpreterFrame::SetContextToInterpMethodContextFrame by @janvorli in #116797
• Fix unhandled exception in tiered compilation thread by @janvorli in #116716
• JIT: remove unnecessary inlining restriction by @AndyAyersMS in #116773
• Add missing RemoteExecutor.IsSupported by @jkotas in #116809
• JIT: retype more ints during constant prop by @AndyAyersMS in #116759
• [cDAC] Fixes for 32bit platforms by @max-charlamb in #116720
• Reflection.Emit should respect RVAs of 0 by @AaronRobinsonMSFT in #116766
• JSON: Don't mark unmapped properties as read by @PranavSenthilnathan in #116807
• Disable core dumps in host tests that intentionally crash by @elinor-fung in #116725
• [cDAC] X86 support FuncEvalFrame by @max-charlamb in #116796
• Implement SVE2 ShiftLogicalRounded, ShiftLogicalRoundedSaturate by @snickolls-arm in #116784
• PipeWriter.UnflushedBytes long property wraps to negative numbers after int.MaxValue by @pedrobsaila in #115978
• Exclude interpreterTester test on R2R CI legs by @mangod9 in #116824
• No information about application is recorded when WindowsEventLog class failed to write event log by @pedrobsaila in #116178
• Implement SVE AddCarryWidening (Upper/Lower) by @jacob-crawley in #116429
• Ldvirtftn implementation for interpreter by @davidwrighton in #116661
• [cDAC] Exclude cDAC changes from unrelated pipeline conditions by @max-charlamb in #116835
• JIT: Emit mulx for GT_MULHI and GT_MUL_LONG if BMI2 is available by @Daniel-Svensson in #116198
• "Convert to GeneratedRegexAttribute" mangles Constants by @Copilot in #116149
• Remove win-arm RID from PortableRuntimeIdentifierGraph.json by @Copilot in #116832
• [cDAC] X86 support TailCallFrame by @max-charlamb in #116792
• [cDAC] Remove references to FEATURE_EH_FUNCLETS by @max-charlamb in #116743
• Make GCDump work on Linux by @MichalStrehovsky in #116816
• Disable string comparison and library mode tests on Apple mobile by @kotlarmilos in #116813
• Fix Thread::IsAddressInStack for interpreter by @janvorli in #116818
• [browser] Generate javascript bundler friendly Blazor JS initializers by @maraf in #116849
• Implement Interop Type Map support in NativeAOT by @jkoritzinsky in #116355
• [HTTP/3] Handle all QUIC exceptions in H/3 stream by @ManickaP in #116851
• Use emitLastGroup that works for single/multi align instructions by @kunalspathak in #116843
• JIT: Don't transform infinite loops in fgOptimizeBranchToEmptyUnconditional by @amanasifkhalid in #116822
• [tests][exceptions] Abbreviate long native test path by @mdh1418 in #116841
• JIT: Fix likelihoods in range test bool opts by @amanasifkhalid in #116867
• [cDAC] X86 support HijackFrame by @max-charlamb in #116829
• update comment by @kunalspathak in #116869
• [cDAC] Move ARM64 Stackwalking to managed code by @max-charlamb in #116717
• [Json] Remove unnecessary Debug.Asserts by @BrennanConroy in #116833
• Remove AppDomain parameter for Debugger::InitIPCEvent by @elinor-fung in #116871
• Add equality to MLDsaAlgorithm and add tests by @vcsjones in #116750
• JIT: avoid creating unnecessary temp for indirect virtual stub calls by @AndyAyersMS in #116875
• Add MLDsaCng into Microsoft.Bcl.Cryptography by @PranavSenthilnathan in #116678
• Make HttpWebRequest.GetRequestStream return same instance (fixes #41403) by @Lukeuke in #116757
• Make sure to remove operand of TernaryLogic node by @kunalspathak in #116876
• Tensor doc improvements by @gewarren in #116562
• Allow the vector and scalar code paths for min, max, and fma APIs to share logic by @tannergooding in #116804
• Change g_fEEShutDown to be Volatile by @jkotas in #116885
• Fix FileSystemWatcher state cleanup on dispose/finalization on Windows by @stephentoub in #116830
• Cleanup unused code from nativeaot and ilc by @huoyaoyuan in #116480
• Enable vectorization of TensorPrimitives.ConvertTruncating for float/double by @stephentoub in #116895
• Simplify generic floating point->integer conversions by @jkotas in #116896
• Optimize '[Guid]' parsing on Native AOT by @Sergio0694 in #116324
• Simplify TryConvert for Half, Int128 and UInt128 by @jkotas in #116902
• JIT: Allow ...

.NET 9.0.8

Release

What's Changed

• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #116514
• [release/9.0] Disable all MT tests on CI by @ilonatommy in #116747
• [9.0] Revert squash commit and pulls release/9.0 again by @jozkee in #116764
• [release/9.0-staging] Backport "Dispose Xunit ToolCommand" by @ilonatommy in #116685
• [release/9.0-staging] Skip SSL key log test for OpenSSL 3.5+ by @github-actions[bot] in #116687
• [release/9.0-staging] Fix absolute path check when loading hostfxr/hostpolicy/coreclr by @elinor-fung in #116775
• Update openssl dependency for SLES by @NikolaMilosavljevic in #116922
• [9.0] Backport 115546 FLS initialization fix to 9. by @mangod9 in #116872
• [release/9.0-staging] Update dependencies from dotnet/roslyn by @dotnet-maestro[bot] in #117137
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #116681
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #116455
• [release/9.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #116948
• [release/9.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #115596
• [release/9.0-staging] Update dependencies from dotnet/source-build-reference-packages by @dotnet-maestro[bot] in #115588
• [release/9.0-staging] Map version for Tahoe compatibility. by @github-actions[bot] in #116641
• [9.0] Update CI OSes by @richlander in #115503
• Update branding to 9.0.8 by @vseanreesermsft in #117283
• [release/9.0-staging] Update dependencies from dotnet/sdk by @dotnet-maestro[bot] in #116683
• Disable odbc tests on net9 interpreter by @BrzVlad in #117245
• [release/9.0-staging] Update dependencies from dotnet/cecil by @dotnet-maestro[bot] in #117228
• [release/9.0-staging] Update dependencies from dotnet/icu by @dotnet-maestro[bot] in #117257
• [release/9.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #117184
• [release/9.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #116664
• [release/9.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #116908
• [release/9.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #116626
• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #117296
• [release/9.0-staging][wbt] Prevent InvalidOperationException on TestOutputHelper logging. by @ilonatommy in #116916
• [release/9.0-staging] Harden Ping_TimedOut_* tests by @github-actions[bot] in #116630
• Merging internal commits for release/9.0 by @vseanreesermsft in #117442
• [release/9.0-staging] Fix ILogB for subnormal values by @github-actions[bot] in #116973
• [release/9.0-staging] Fix ordering issue in interface trimming by @github-actions[bot] in #114509
• [release/9.0-staging][mono][gc] Fix gc descriptor computation for InlineArray structs by @BrzVlad in #116951
• [release/9.0-staging] Fix few RandomAccess.Write edge case bugs by @adamsitnik in #109646
• [automated] Merge branch 'release/9.0' => 'release/9.0-staging' by @github-actions[bot] in #117471
• [release/9.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #117594
• [release/9.0-staging] Update dependencies from dotnet/sdk by @dotnet-maestro[bot] in #117595
• [manual] Merge release/9.0-staging into release/9.0 by @tarekgh in #117634

Full Changelog: v9.0.7...v9.0.8

.NET 8.0.19

Release

What's Changed

• [release/8.0-staging] Fix return in zlib-intel when window allocation fails by @ericstj in #116550
• [release/8.0-staging] Move DNS EventSource tests to RemoteExecutor by @github-actions[bot] in #116609
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #115577
• [release/8.0-staging] Fix absolute path check when loading hostfxr/hostpolicy/coreclr by @elinor-fung in #116776
• [release/8.0-staging] Remove invalid GCPROTECT for duplicate slot by @github-actions[bot] in #117030
• [release/8.0-staging] Map version for Tahoe compatibility. by @github-actions[bot] in #116642
• Update branding to 8.0.19 by @vseanreesermsft in #117282
• [release/8.0-staging] Update dependencies from dotnet/source-build-reference-packages by @dotnet-maestro[bot] in #116533
• [release/8.0-staging] Update dependencies from dotnet/hotreload-utils by @dotnet-maestro[bot] in #116551
• [release/8.0-staging] Update dependencies from dotnet/runtime-assets by @dotnet-maestro[bot] in #116572
• [release/8.0-staging] Harden Ping_TimedOut_* tests by @github-actions[bot] in #116631
• Merging internal commits for release/8.0 by @vseanreesermsft in #117440
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #117311
• [release/8.0-staging] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #116532
• [release/8.0] Update dependencies from dotnet/emsdk by @dotnet-maestro[bot] in #116552
• [release/8.0] Delete s390x and ppc64le helix queues by @github-actions[bot] in #117488
• [release/8.0-staging] [Test Only]Address failures for Import_IterationCountLimitExceeded_ThrowsInAllottedTime by @github-actions[bot] in #116439
• [release/8.0-staging] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #116534
• [automated] Merge branch 'release/8.0' => 'release/8.0-staging' by @github-actions[bot] in #117482
• [release/8.0] Fix BigInteger.Rotate{Left,Right} for backport by @github-actions[bot] in #112992
• [release/8.0-staging] Fix few RandomAccess.Write edge case bugs by @adamsitnik in #109648
• [8.0] Revert an earlier change to improve distribute free regions. by @mangod9 in #117543
• [manual] Merge release/8.0-staging into release/8.0 by @tarekgh in #117636

Full Changelog: v8.0.18...v8.0.19

.NET 10.0 Preview 6

Release

What's Changed

• Reapply "Create a single copy of stub templates by @davidwrighton in #115749
• Correct XML doc of Volatile.WriteBarrier() by @tfenise in #115803
• JIT: Don't clone or unroll cold loops by @amanasifkhalid in #115744
• Do not shortcut CompilerComparer by @MichalStrehovsky in #115807
• [LoongArch64] Fix the pointer load in asmhelper.S:ThisPtrRetBufPrecodeWorker with PR#112548. by @LuckyXu-HF in #115814
• JIT: Fix handling for SIMD types in async transformation by @jakobbotsch in #115652
• JIT: Spill value before byref address in stsfld by @jakobbotsch in #115772
• [browser] don't set js_handle for js prototypes by @pavelsavara in #115773
• Don't include LICENSE.TXT in nuget packages by @ViktorHofer in #115518
• JIT: Remove early fgOptimizeBranch pass by @amanasifkhalid in #115734
• Update area owners by @VSadov in #115751
• Move FLS init before EventPipeAdapter::FinishInitialize and the first SetupThread() by @VSadov in #115546
• JIT: arrays are now not always TYP_REF by @AndyAyersMS in #115801
• JIT: another bit of refactoring in escape analysis by @AndyAyersMS in #115812
• Bump main to .NET 10 Preview 6 by @jozkee in #115808
• Add a helper utility to clear the environment variables for tests by @AndyAyersMS in #115752
• Implement SVE2 ShiftLeftAndInsert by @snickolls-arm in #115776
• Refactor Sequential/Explicit layout to happen in the same phase where we do Auto layout by @jkoritzinsky in #113454
• Add targeted regression test for #115442 by @MichalStrehovsky in #115817
• JIT: Don't reverse copied condition in fgOptimizeBranch by @amanasifkhalid in #115842
• Update Linux versions in build pipeline by @richlander in #115784
• [Android] Run CoreCLR library tests on Android by @kotlarmilos in #114148
• Allow using flat layout for component assemblies of composite R2R by @elinor-fung in #115631
• Consolidate QueryPerformanceCounter/GetTickCount usages to minipal/time.h by @huoyaoyuan in #115408
• Implement ldtoken in the interpreter by @kg in #115723
• [minipal] Don't assert when writing empty string by @BrzVlad in #115824
• Revert "Pin web assembly server 2025 docker image" by @akoeplinger in #115830
• JIT: Copy BBF_ASYNC_RESUMPTION when splitting edges in LSRA by @jakobbotsch in #115836
• JIT: Fix SysV first/second return register GC info mismatch when generating calls by @jakobbotsch in #115827
• Create copilot-setup-steps.yml by @CarnaViire in #115834
• Decrease number of allocations in new test by @jakobbotsch in #115887
• [browser] Remove rest of StartupMemoryCache by @Copilot in #115878
• JIT: also check gc-ness of layout for GT_BLK during escape analysis by @AndyAyersMS in #115844
• JIT: update layout of BLK nodes during escape analysis by @AndyAyersMS in #115845
• Use new TypeName methods in runtime tools by @Copilot in #115857
• Fix build break for paltests by @huoyaoyuan in #115877
• Add long/ulong->float cast helpers by @saucecontrol in #114597
• Convert sln to slnx by @kasperk81 in #115818
• Intrinsic support for transient codegen. by @AaronRobinsonMSFT in #115639
• Remove always searching executable directory for native libraries in single-file applications by @elinor-fung in #115236
• Implement SVE2 BitwiseSelect, BitwiseSelectLeftInverted, BitwiseSelectRightInverted by @snickolls-arm in #115775
• [browser] EP profiler - identify top frame, positive PID by @pavelsavara in #115825
• Implement CEE_LDOBJ and CEE_STOBJ in the interpreter by @kg in #115900
• Update WebAssembly image to Ubuntu 24.04 by @richlander in #115901
• Debugger fixes for the Windows X86 EH Funclets model by @davidwrighton in #115630
• JIT: Unprotect handler entry after finally removal by @amanasifkhalid in #115907
• [crossgen2] Prevent inlining of PInvoke marshalling accross version bubbles by @jkotas in #115277
• JIT: Remove overzealous async assert by @jakobbotsch in #115883
• JIT: Avoid implicit byref retbufs in async calls by @jakobbotsch in #115888
• Use sln format for coreclr and corehost by @ViktorHofer in #115935
• Make HttpStress fail on unobserved exceptions by @antonfirsov in #115849
• Add dotnet to the path for copilot agent by @ericstj in #115912
• When cloning method descs be careful with fields that have different offsets between the source and destination. by @VSadov in #115798
• [NativeAOT] Fix: Prevent EETypeKindMask invalidation from uint16_t cast by @TickThunder in #115925
• x86/funclets: Handle longjmp by @filipnavara in #115932
• Add missing null check for SlhDsa's constructor by @vcsjones in #115944
• Simplify findvcvarsall.bat by @jkotas in #115951
• Added an override for IsCollectible in RuntimeType to fix inconsistency between Mono and CoreCLR by @Venkad000 in #115785
• Disable Android tests in default CI set for now by @jkotas in #115956
• JIT: Disallow forward substitution of async calls by @jakobbotsch in #115936
• Disable Android tests in default CI set for now by @jkotas in #115973
• [wasm] Bump chrome for testing - linux: 136.0.7103.113, windows: 137.0.7151.41 by @github-actions[bot] in #115969
• Fix Creating Undermined Culture by @tarekgh in #115919
• Fix intermittent failures in PAL tests by @jkotas in #115958
• Support out of proc Histogram Base 2 Exponential aggregation by @tarekgh in #115852
• Enable new exception handling on win-x86 by @filipnavara in #115957
• Rename collectPerfCounters to collectMetrics in browser runtime by @Copilot in #115926
• [wasm coreclr] Make clr.runtime+libs build on Windows by @radekdoulik in #115058
• Delete FEATURE_DOUBLE_ALIGNMENT_HINT for GC heap allocations by @jkotas in #115985
• add HttpMethod.Query by @WeihanLi in #115934
• [RuntimeAsync] ilasm/ildasm support for the MethodImpl.Async (Take 2) by @hez2010 in #115658
• Create copilot-instructions.md by @CarnaViire in #115917
• Cleanup some PAL items by @AaronRobinsonMSFT in #115986
• Added another case in the switch block to handle the object returned by Mono which differs from the object returned by CoreCLR by @Venkad000 in #115885
• [wasm][coreclr] Interpret everything on wasm by @radekdoulik in #115788
• Remove bounds check for arr1[arr2.Length] pattern by @EgorBo in #115980
• Add a copilot prompt file for JIT-EE interface modifications by @EgorBo in #115889
• Move GenTreeIntCon::gtCompileTimeHandle field to be a global map by @EgorBo in #115542
• Skip static fields in FieldLayoutIntervalCalculator by @MichalStrehovsky in #115987
• Replace use of DAMT.All in ComponentModel with a more restricted set by @MichalStrehovsky in #114126
• Enable AVX2 optimistically with AVX on NAOT by @saucecontrol in #114575
• Fix conditions mismatch for gc-sections with lld by @illnyang in #115964
• Fix cmake warning by @radekdoulik in #116000
• ...