1 Release published by 1 person

• v10.0.0-preview.6.25358.103 .NET 10.0 Preview 6

  published Jul 22, 2025

129 Pull requests merged by 57 people

• Fix Regex source generator multithreading issue

  #118086 merged Jul 27, 2025

• Implement Unsafe.IsAddressLessThanOrEqualTo & Unsafe.IsAddressGreaterThanOrEqualTo

  #117800 merged Jul 27, 2025

• Replace nop regex loops with empty

  #118079 merged Jul 26, 2025

• Coalesce adjacent equivalent anchors

  #118083 merged Jul 26, 2025

• Check source and destination spans overlap in TryNormalize method

  #118047 merged Jul 26, 2025

• Add XML documentation for 29 undocumented .NET 7.0 APIs

  #117697 merged Jul 26, 2025

• Re-enable VarianceSafety tests on crossgen

  #118036 merged Jul 26, 2025

• Re-enable Method002 test on crossgen

  #118035 merged Jul 26, 2025

• Simplify lazy initialization by removing Volatile.Read

  #117868 merged Jul 25, 2025

• [release/10.0-preview7] Revert "Show specific error message for dotnet <app_path> where app_path is a non-dll/exe file that exists"

  #118065 merged Jul 25, 2025

• KeyGen and OSSL support for managed Composite ML-DSA + RSA

  #117856 merged Jul 25, 2025

• ML-DSA certificate accessors for M.B.C.

  #117907 merged Jul 25, 2025

• Add LocalPath property to RuntimeFile and ResourceAssembly for writing/reading deps.json

  #118034 merged Jul 25, 2025

• JIT: Fix check for cast type for cast on top of address

  #118019 merged Jul 25, 2025

• JIT: Rework *ComplexityExceeds helpers to take caller-defined complexity computation

  #118046 merged Jul 25, 2025

• Implement GC bridge VM support in NativeAOT

  #117738 merged Jul 25, 2025

• [Android][CoreCLR] Use relative path instead of just the filename when probing for assembly

  #118054 merged Jul 25, 2025

• Allow stack size to be configured

  #110455 merged Jul 25, 2025

• [clr-interp] Include clrinterpreter library in the iOS app bundle

  #117277 merged Jul 25, 2025

• [LoongArch64] Adjust the order of genPopCalleeSavedRegisters() and instGen_Set_Reg_To_Imm() in Epilog to fix the GC interruptible range.

  #117305 merged Jul 25, 2025

• Remove active issue comment.

  #117808 merged Jul 25, 2025

• [mono][aot] Prevent localloc in a loop during constrained gsharedvt calls

  #117679 merged Jul 25, 2025

• Print specific error when framework in runtimeconfig.json is missing a version

  #117914 merged Jul 25, 2025

• Fix SearchValues asserts for WASM

  #118030 merged Jul 25, 2025

• Adding GetAppDomainData cDAC API

  #117827 merged Jul 24, 2025

• Fix GC stress log and analysis

  #108655 merged Jul 24, 2025

• Move RuntimeAsync ifdef to env variable

  #118011 merged Jul 24, 2025

• [release/9.0-staging] Update dependencies from dotnet/icu

  #117962 merged Jul 24, 2025

• [release/9.0-staging] Update dependencies from dotnet/cecil

  #117910 merged Jul 24, 2025

• Emit IsAotCompatible attribute metadata

  #118008 merged Jul 24, 2025

• Remove lifetime2 test and remove its crossgen2 test exclusion

  #117995 merged Jul 24, 2025

• Unquote primitive string values in JsonNode.ToString()

  #117993 merged Jul 24, 2025

• [APX] Enable APX-EVEX.ZU for SETcc instructions

  #117258 merged Jul 24, 2025

• Support auto-atomicity on {lazy} loops

  #117943 merged Jul 24, 2025

• Adding GetClrNotification cDAC API

  #117737 merged Jul 24, 2025

• [PERF] Add release/10.0 to trigger branches in perf.yml

  #117994 merged Jul 24, 2025

• Revert "[release/9.0-staging] Update dependencies from dotnet/sdk"

  #118001 merged Jul 24, 2025

• Make IsAlive test reliable and re-enable it for crossgen2

  #117987 merged Jul 24, 2025

• arm64: Add remaining Sve2 Saturating functions

  #117934 merged Jul 24, 2025

• Platform dependency doc changes

  #118024 merged Jul 24, 2025

• Expose UTF-8 support from FromHexString, TryToHexString, and TryToHexStringLower on the Convert class

  #117965 merged Jul 24, 2025

• Update mentionees for apple mobile area labels

  #118016 merged Jul 24, 2025

• [browser] Check also corePdb to see if we have any pdb to start debugging

  #117978 merged Jul 24, 2025

• Save and restore Thread.CurrentThread._synchronizationContext for synchronous runtime async calls

  #117725 merged Jul 24, 2025

• Expand set of known header names and values

  #117989 merged Jul 24, 2025

• [wasm][coreclr] Get further in the runtime initialization

  #116383 merged Jul 24, 2025

• [Apple] Lock over the same object in SafeDeleteSslContext to serialize access to the buffers

  #117982 merged Jul 24, 2025

• fixing a bug in card mark stealing

  #117968 merged Jul 24, 2025

• Only run host tests for linux-x64 on Azure Linux helix queues

  #118005 merged Jul 24, 2025

• Check DOTNET_HOST_* for host (COREHOST_*) tracing environment variables

  #117894 merged Jul 24, 2025

• Fix handling of late-discovered atomic lazy loops in compiler / source generator

  #117629 merged Jul 24, 2025

• Remove ExperimentalAttribute from ML-KEM where applicable

  #117831 merged Jul 24, 2025

• Use uint.TryFormat to fix TODO in IPAddressParser

  #117300 merged Jul 23, 2025

• Respect ISupportErrorInfo for HRESULT to Exception throwing conversion

  #117690 merged Jul 23, 2025

• [10.0-preview7] Serialize unhandled exception for crash dump analysis when ExceptionHandler.RaiseUnhandledExceptionEvent is called

  #117913 merged Jul 23, 2025

• Add support for Android RIDs to NativeAOT

  #117953 merged Jul 23, 2025

• Set explicit launch timeout for xharness on Apple mobile

  #117979 merged Jul 23, 2025

• Make dotnet --info print all DOTNET_* environment variables

  #117797 merged Jul 23, 2025

• Add ExcludeStatics support to trimming tools

  #117904 merged Jul 23, 2025

• Add ExcludeStatics API

  #117905 merged Jul 23, 2025

• Fix zero-extending displacement on win_x86_x64 JIT

  #117945 merged Jul 23, 2025

• [10.0-preview7] Update DBG_MAX_EXECUTABLE_ALLOC_SIZE and EXPECTED_CHUNKSIZE

  #117912 merged Jul 23, 2025

• Fix System.Object.GetCustomAttributes() returning extra internal attributes on Mono

  #117864 merged Jul 23, 2025

• Fix issues with rejit profiler test

  #117826 merged Jul 23, 2025

• Add Version.Details.props

  #117981 merged Jul 23, 2025

• Fix SupportsSettingZeroFlag for shift/rotate nodes

  #117960 merged Jul 23, 2025

• JIT: Handle byref<->nint casts on addresses in local morph

  #117885 merged Jul 23, 2025

• [STJ] Optimize EnumFieldInfo sorting

  #117839 merged Jul 23, 2025

• Make Uri path compression O(n)

  #117820 merged Jul 23, 2025

• Delete dead code in H3StaticTable

  #117955 merged Jul 23, 2025

• Disable LargeUriAndHeaders_Works test on browser

  #117946 merged Jul 23, 2025

• Add stub implementation of SlhDsaCng and algorithm identifiers

  #117889 merged Jul 23, 2025

• Tune CCMP for better Perf

  #116445 merged Jul 23, 2025

• JIT: Add missing INS_FLAGS_HasPseudoName

  #117941 merged Jul 23, 2025

• ClientWebSocket Loopback Server tests

  #117255 merged Jul 23, 2025

• Permit ByRefLike types with ctor to be activated.

  #117940 merged Jul 23, 2025

• Add host workflow to copilot-instructions.md

  #117947 merged Jul 23, 2025

• Adding GetMethodTableFieldData cDAC API

  #117684 merged Jul 23, 2025

• Use big endian buffers instead of BigInteger for RSA ASN types

  #117851 merged Jul 22, 2025

• Revert "Show specific error message for dotnet <app_path> where app_path is a non-dll/exe file that exists"

  #117937 merged Jul 22, 2025

• JIT: Simplify Compiler::getHWIntrinsicImmTypes

  #117784 merged Jul 22, 2025

• Ensure that bitwise operations of small masks can still be folded

  #117887 merged Jul 22, 2025

• [release/10.0-preview7] New JsonValue derived class for JSON primitives

  #117917 merged Jul 22, 2025

• [release/10.0-preview7] [Json] JsonSerializer+PipeReader support

  #117906 merged Jul 22, 2025

• [release/10.0-preview7] Fix ILLink ref assembly build breaks

  #117916 merged Jul 22, 2025

• adding GetOtherNotificationFlags cDAC API

  #117616 merged Jul 22, 2025

• Validate injected header values in DiagnosticsHandler

  #117884 merged Jul 22, 2025

• Update VMR orchestrator property

  #117933 merged Jul 22, 2025

• Fix printing subset help through msbuild

  #117926 merged Jul 22, 2025

• fix undefined ops for AOT legs

  #117915 merged Jul 22, 2025

• Escape dashes in RegexCharClass.DescribeSet

  #117909 merged Jul 22, 2025

• disable multicast tests on AzureLinux

  #117694 merged Jul 22, 2025

• New JsonValue derived class for JSON primitives

  #116798 merged Jul 22, 2025

• Disable UnsafeAccessorsTests tests on extra-platforms

  #117812 merged Jul 22, 2025

• Misc cleanup (fixing comments, deleting dead code)

  #117908 merged Jul 22, 2025

• events from private provider not getting fired if process starts after event collection starts

  #117836 merged Jul 22, 2025

• fix backcompat issue for standalone GC

  #117793 merged Jul 22, 2025

• Obsolete XsltSettings.EnableScript with SYSLIB0062

  #117701 merged Jul 22, 2025

• JIT: Allow more containment opts in Tier0

  #117622 merged Jul 22, 2025

• Ensure that we lookup the correct instruction for embedded masking/broadcast scenarios

  #117828 merged Jul 22, 2025

• Auto-atomic for more loops followed by boundaries

  #117892 merged Jul 22, 2025

• Revert "Switch to Azure Linux Arm64 Helix VM hosts"

  #117897 merged Jul 21, 2025

• [release/9.0-staging] Update dependencies from dotnet/sdk

  #117873 merged Jul 21, 2025

• [Json] JsonSerializer+PipeReader support

  #116947 merged Jul 21, 2025

• [release/9.0-staging] Update dependencies from dotnet/xharness

  #117872 merged Jul 21, 2025

• Delete unused corpublish support and multi appdomain support in the debugger

  #117688 merged Jul 21, 2025

• Tar: fix handing of null terminated fields.

  #117410 merged Jul 21, 2025

• Don't bundle NativeAOT runtime assets in the ILCompiler package

  #116882 merged Jul 21, 2025

• [release/9.0-staging] Update dependencies from dotnet/arcade

  #117742 merged Jul 21, 2025

• Update area-owners for libraries ownership changes

  #117746 merged Jul 21, 2025

• Fix ML-DSA PKCS8 copying bug

  #117847 merged Jul 21, 2025

• Delete ECHash

  #117861 merged Jul 21, 2025

• [mono][2/2] Add SIMD Support for s390x

  #116779 merged Jul 21, 2025

• Update area-owners.md

  #117511 merged Jul 21, 2025

• [release/8.0-staging] [Test Only] Fix BuildChainCustomTrustStore test

  #117762 merged Jul 21, 2025

• GetAppDomainList cDAC implementation

  #117515 merged Jul 21, 2025

• Add searched .NET install locations to error message

  #117796 merged Jul 21, 2025

• Disable IL offset mapping validation

  #117809 merged Jul 21, 2025

• Teach regex about more disjoint sets

  #117869 merged Jul 21, 2025

• [browser] Remove placeholder for docs link from warning

  #117810 merged Jul 21, 2025

• cleanup memory after UnflushedBytes_HandlesLargeValues test

  #117115 merged Jul 21, 2025

• Fix ILLink ref assembly build breaks

  #117875 merged Jul 21, 2025

• [Android] Improve InvariantGlobalization support for CoreCLR Android

  #117748 merged Jul 21, 2025

• [mono] fallback to scalar operation for ExtractMostSignificantBits

  #117276 merged Jul 21, 2025

• Fix using your build instructions

  #117874 merged Jul 21, 2025

• Delete AppDomain::m_Stage

  #117857 merged Jul 20, 2025

• adding GetAppDomainStoreData cDAC API

  #117633 merged Jul 20, 2025

• Cleanup uses of Interlocked.CompareExchange<object>

  #117858 merged Jul 20, 2025

• Use C# 14's field keyword in more places

  #117817 merged Jul 20, 2025

65 Pull requests opened by 42 people

• Delete AVX512 paths from `IndexOf(string)`

  #117865 opened Jul 20, 2025

• [main] Update dependencies from dnceng/internal/dotnet-optimization

  #117871 opened Jul 21, 2025

• [release/8.0] Update dependencies from dotnet/emsdk

  #117878 opened Jul 21, 2025

• [release/9.0] Update dependencies from dotnet/emsdk

  #117879 opened Jul 21, 2025

• Add 'physicalMemoryAvailableBytes' config setting. Follow GC when set…

  #117886 opened Jul 21, 2025

• [browser] fix JSExport in lazy loaded assembly

  #117890 opened Jul 21, 2025

• [release/9.0-staging] [mono] Fix crash while debugging AOT'ed app.

  #117891 opened Jul 21, 2025

• Test re-enabling SRC cache tests.

  #117898 opened Jul 21, 2025

• Remove shared IL stubs for P/Invokes.

  #117901 opened Jul 21, 2025

• [RISC-V] Replace addi, addiw with mov, sext.w when immediate is zero

  #117932 opened Jul 22, 2025

• [wasi] Disable build in .NET 10

  #117936 opened Jul 22, 2025

• Adding GetAssemblyLoadContext cDAC API

  #117939 opened Jul 22, 2025

• Remove warning for base type with RequiresUnreferencedCode

  #117944 opened Jul 22, 2025

• Revert "Remove custom allocator."

  #117949 opened Jul 22, 2025

• [Android] Prevent race condition by synchronizing buffer access

  #117950 opened Jul 22, 2025

• Enable some HotReload tests for FieldRVA.

  #117952 opened Jul 22, 2025

• Using dotnet exec to run XmlSerializer - Removing DotNetCliToolReference

  #117954 opened Jul 22, 2025

• Fuzz Json Deserializing

  #117956 opened Jul 22, 2025

• [release/10.0-preview7] Source code updates from dotnet/dotnet

  #117957 opened Jul 22, 2025

• Add external mu support to ML-DSA

  #117966 opened Jul 23, 2025

• [RISC-V] Add pseudo instruction `not` and replace `xori` when immediate is -1

  #117967 opened Jul 23, 2025

• Fix the issue of Mono.AotCross build errors

  #117971 opened Jul 23, 2025

• Adding the vector constants property extensions that are only supported for certain T

  #117975 opened Jul 23, 2025

• [Android][CoreCLR] Add runtimeconfig.json support for test host

  #117980 opened Jul 23, 2025

• [wasm] Add missing properties to PropertiesThatTriggerRelinking for WASM and WASI

  #117983 opened Jul 23, 2025

• Enable `Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations`

  #117985 opened Jul 23, 2025

• Updating LSRA to prevent eGPR use as GC tracked regs.

  #117991 opened Jul 23, 2025

• Vector int divide short byte

  #117996 opened Jul 23, 2025

• Expose the extension operators for Tensor, TensorSpan, and ROTensorSpan

  #117997 opened Jul 23, 2025

• Update version branding to rc1

  #118002 opened Jul 23, 2025

• Add intrinsic analysis support for Type.GetMethod overload with genericParameterCount and BindingFlags

  #118003 opened Jul 23, 2025

• [LoongArch64] Handle LASX/LSX/FP context depending on ISA availability.

  #118007 opened Jul 24, 2025

• [release/8.0-staging] fixing a bug in card mark stealing

  #118009 opened Jul 24, 2025

• Deliver exceptions to FuncEvalFrame and DebuggerU2MCatchHandlerFrame when they are higher than the top managed frame in stack

  #118015 opened Jul 24, 2025

• Fix missed places in dataflow analysis that introduce genericness

  #118020 opened Jul 24, 2025

• [release/10.0-preview7] [browser] Check also corePdb to see if we have any pdb to start debugging

  #118023 opened Jul 24, 2025

• Check return types in isCompatibleMethodGDV

  #118027 opened Jul 24, 2025

• [EventPipe] Optimize ThreadSessionState Management and Cleanup

  #118029 opened Jul 24, 2025

• Add `/Library/Preferences/dotnet/Settings.plist` to Change PKG Installer to Append to `PATH`

  #118033 opened Jul 24, 2025

• Add NativeAOT on Android test

  #118037 opened Jul 24, 2025

• Add tests for assembly resolution downgrading via extension mechanisms

  #118040 opened Jul 24, 2025

• Always read from underlying stream in StreamPipeReader

  #118041 opened Jul 24, 2025

• Investigational changes for issue #109200

  #118043 opened Jul 24, 2025

• [RuntimeAsync] Tweak some reflection scenarios around async methods.

  #118045 opened Jul 24, 2025

• testing

  #118048 opened Jul 25, 2025

• [cDAC] GC Contract

  #118050 opened Jul 25, 2025

• Delete `DEFAULT_STACK_SIZE`

  #118057 opened Jul 25, 2025

• Dependency graph expansion experiments

  #118060 opened Jul 25, 2025

• [cDAC] Rename datadescriptor.h -> datadescriptor.inl

  #118067 opened Jul 25, 2025

• Add Compliance tests for GB18030-2022

  #118075 opened Jul 25, 2025

• Update DefaultStackSize to Thread_DefaultStackSize

  #118076 opened Jul 25, 2025

• Fix stack limits condition

  #118077 opened Jul 25, 2025

• JIT: Boost inversion for oversize loops with bounds checks

  #118078 opened Jul 26, 2025

• [release/9.0-staging] Update dependencies from dotnet/roslyn

  #118080 opened Jul 26, 2025

• Fix ArgumentOutOfRangeException in XmlReader when parsing malformed UTF-8 sequences

  #118081 opened Jul 26, 2025

• Update mentionees for the binaryformatter-migration label

  #118082 opened Jul 26, 2025

• Remove capture groups from negative lookarounds

  #118084 opened Jul 26, 2025

• Don't use vfork on android

  #118085 opened Jul 26, 2025

• Transform regex `X|` into `X?`

  #118087 opened Jul 26, 2025

• ML-DSA SignedCMS

  #118088 opened Jul 27, 2025

• [wasm][interp] Add PackedSimd aliases for AddSaturate and SubtractSaturate

  #118089 opened Jul 27, 2025

• Remove positive lookarounds that wrap only zero-width assertions

  #118091 opened Jul 27, 2025

• Conditionally set SYSTEM PATH in host install

  #118092 opened Jul 27, 2025

• [API Proposal]: Implement IParsable<TSelf> et cetera on IPEndPoint

  #118095 opened Jul 27, 2025

• Simplify constant `TimeSpan` retrieval

  #118097 opened Jul 27, 2025

201 Issues closed by 55 people

• Faster thread local statics

  #63619 closed Jul 27, 2025

• JIT: use `test` for Nullable == null

  #13828 closed Jul 27, 2025

• [API Proposal]: Unsafe.IsAddressLessThanOrEqualTo / IsAddressGreaterThanOrEqualTo

  #88478 closed Jul 27, 2025

• New span overloads of `StringNormalizationExtensions` do not check memory overlapping

  #118017 closed Jul 26, 2025

• [API Proposal]: `using` support for ArrayPool

  #112839 closed Jul 26, 2025

• `typeof(object).IsAssignableFrom(typeof(RefStruct))` returns true, but it's not casteable to that type

  #113787 closed Jul 26, 2025

• Utf8.TryWrite applies alignment by counting bytes instead of characters

  #109615 closed Jul 26, 2025

• Update usage of EOL Raspbian 10 Helix container image

  #109420 closed Jul 26, 2025

• Unable to set EntryPoint on generated assemblies with System.Reflection.Emit

  #62591 closed Jul 26, 2025

• [PERF] Occasionally hitting CryptographicException on performance CI runs

  #114129 closed Jul 26, 2025

• System.Runtime.Serialization.Formatters compatibility package question

  #113099 closed Jul 26, 2025

• [outerloop][Long Running Test] System.Tests.StringTests.TestStringSearchCacheSynchronization

  #111811 closed Jul 26, 2025

• SerializationBinder.BindToName not called for an Array Type

  #108444 closed Jul 26, 2025

• Suboptimal code and possible loss of precision in `Stopwatch.GetElapsedTime(long, long)`

  #109685 closed Jul 26, 2025

• [Perf] Linux/x64: 5 Regressions on 12/12/2024 1:14:47 PM

  #110788 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2025-21176 | .NET and Visual Studio Remote Code Execution Vulnerability

  #111425 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-43498 | .NET Remote Code Execution Vulnerability

  #109740 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2025-21172 | .NET and Visual Studio Remote Code Execution Vulnerability

  #111424 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2025-21171 | .NET Remote Code Execution Vulnerability

  #111423 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-43499 | .NET Denial of Service Vulnerability

  #109738 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-43485 | .NET Denial of Service Vulnerability

  #108678 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-43484 | .NET Denial of Service Vulnerability

  #108676 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-43483 | .NET Denial of Service Vulnerability

  #108674 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-38081 | .NET Denial of Service Vulnerability

  #104621 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-38095 | .NET Denial of Service Vulnerability

  #104622 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-38167 | .NET Information Disclosure Vulnerability

  #106359 closed Jul 26, 2025

• Microsoft Security Advisory CVE-2024-30105 | .NET Denial of Service Vulnerability

  #104619 closed Jul 26, 2025

• [API Proposal]: Introduce `AIGenerated` attribute, which Analyzers can react on and helps for reviewing and revision handling.

  #112582 closed Jul 26, 2025

• Microsoft.Win32.SafeHandles.SafeFileHandle.CreateFile Access Denied After a While

  #112896 closed Jul 26, 2025

• Specialize BinaryReader for UnmanagedMemoryStream similar to MemoryStream specialization

  #113187 closed Jul 26, 2025

• The spread operator is significantly slower than using the special constructor when converting data to ObservableCollection

  #113788 closed Jul 26, 2025

• IDE0060 suggests that the `this` parameter in an extension method is unused

  #118073 closed Jul 26, 2025

• [9.0] MemoryCacheTest.Trim(String throwOnDisposed=true) failure - assert values differ

  #113331 closed Jul 26, 2025

• JsonPolymorphic + ReferenceHandler.IgnoreCycles = generates invalid json

  #113259 closed Jul 26, 2025

• MemoryCache has a Finalizer

  #113340 closed Jul 26, 2025

• [Perf] Windows/x64: 5 Regressions on 3/6/2025 2:14:44 PM +00:00

  #113379 closed Jul 26, 2025

• System.IO.Ports SerialPort.Open somehow entering into WmMouseUp events

  #113433 closed Jul 26, 2025

• [Fuzzing] Add more fuzzers for inbuilt libraries

  #113480 closed Jul 26, 2025

• Disk write performance difference when calling FlushAsync() vs specifying FileOptions.WriteThrough

  #113526 closed Jul 26, 2025

• HttpClient.GetFromJsonAsync<T> does not handle 204 returned by ASP.NET Core

  #113941 closed Jul 26, 2025

• Tensor.ReverseDimension on sliced TensorSpan sometimes produces invalid results

  #107707 closed Jul 26, 2025

• Crossgen outerloop regression: 2 variance safety test failures in SVM VarianceSafety

  #109201 closed Jul 26, 2025

• Crossgen outerloop regression: Variance/Methods/Method002 failing all 12 test cases

  #109202 closed Jul 26, 2025

• `System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException` failing with NRE on CoreCLR android-arm64

  #118064 closed Jul 25, 2025

• build error: non-private labels cannot appear between .cfi_startproc / .cfi_endproc pairs

  #108823 closed Jul 25, 2025

• Move `Compiler/Win32Resources` and their namespace to more general place

  #90063 closed Jul 25, 2025

• APSL-2.0 in System.Native

  #111241 closed Jul 25, 2025

• Upgrade opensuse helix usage to 15.6

  #109383 closed Jul 25, 2025

• Test failure: baseservices/exceptions/regressions/V1/SEH/VJ/MultipleException/MultipleException.cmd

  #109693 closed Jul 25, 2025

• X509CertificateLoader.LoadPkcs12FromFile fails on .NET Framework with ML-DSA Certificate

  #118070 closed Jul 25, 2025

• SEHException on misaligned access

  #91662 closed Jul 25, 2025

• Breaking change in .NET 9 behavior for the ability to allow duplicate attributes in a PFX

  #113726 closed Jul 25, 2025

• iOS application started to crash after upgrade from NET8 to NET9

  #117895 closed Jul 25, 2025

• Support CommandLineToArgvW as a Cross platform in netcore

  #668 closed Jul 25, 2025

• [API Proposal]: Add `LocalPath` property to `RuntimeFile` and `ResourceAssembly` in `Microsoft.Extensions.DependencyModel`

  #117682 closed Jul 25, 2025

• Test failure: JIT/IL_Conformance/Old/directed/ldloca_s_i1/ldloca_s_i1.dll

  #118006 closed Jul 25, 2025

• [Perf] Linux/arm64: 1 Regression on 7/14/2025 10:06:16 PM +00:00

  #117771 closed Jul 25, 2025

• [NativeAOT] BouncyCastle SIGARBT -1

  #118058 closed Jul 25, 2025

• Precision discrepancy in floating-point calculation between .NET Framework and .NET Core

  #118059 closed Jul 25, 2025

• IEmbeddingGenerator GenerateAsync causes Fatal error. Internal CLR error. (0x80131506)

  #118026 closed Jul 25, 2025

• [Android][CoreCLR] `System.Resources.ResourceManager.Tests.csproj` fails

  #118012 closed Jul 25, 2025

• Officially document and update the `DEFAULT_STACK_SIZE` app property

  #113344 closed Jul 25, 2025

• Feature Request: Add ```ForceRebuild``` attribute to ```<Watch>``` items for non-C# source file changes during hot reload**

  #118052 closed Jul 25, 2025

• av in x86 JIT leads to runtime assert

  #115638 closed Jul 25, 2025

• Missing version in framework reference leads to misleading error

  #3743 closed Jul 25, 2025

• AB-BA deadlock during process startup

  #118014 closed Jul 25, 2025

• ReadOnlySpanTests.TestNoMatchValuesLargerLastIndexOfAny_Byte_ManyByte

  #118022 closed Jul 25, 2025

• [dotnet-sdk-10.0.0-preview.7.25368.105] Autodesk Revit 2026 get "The 'Steel' add-in encountered an error" when opening DWG file

  #118010 closed Jul 25, 2025

• Enable TRACE_GC validation build once the build has been fixed

  #108628 closed Jul 24, 2025

• Test failure: System.IO.Pipes.Tests.AnonymousPipeTest_ServerOut_ClientIn.ReadWrite_Success_Large(mode: AsyncMemory, writeSize: 10485760, startWithFlush: True)

  #46719 closed Jul 24, 2025

• Crossgen outerloop regression: JIT/Directed/lifetime/lifetime2/lifetime2.cmd

  #109313 closed Jul 24, 2025

• ToString for JsonValue is not special cased correctly

  #117992 closed Jul 24, 2025

• Browser tests fail to build as the used SDK version is not released yet.

  #118000 closed Jul 24, 2025

• Crossgen outerloop regression: ReJIT profiler test does not pass

  #109310 closed Jul 24, 2025

• Crossgen outerloop regression: WeakReference/IsAlive/IsAlive.cmd

  #109312 closed Jul 24, 2025

• [API Proposal]: Convert.{From/To}HexString(utf8)

  #114079 closed Jul 24, 2025

• [QUIC] QuicListener.ListenAsync throws misleading ArgumentNullException on .NET 9 Preview on Linux (Debian 12)

  #118021 closed Jul 24, 2025

• ActivityLink.GetHashCode enumerates tags even though ActivityLink.Equals compares TagsLinkedList by reference equality

  #118013 closed Jul 24, 2025

• We could improve the list of known headers & values

  #63750 closed Jul 24, 2025

• AppleTV queue fails to locate `devicectl` in PATH

  #117805 closed Jul 24, 2025

• AppleTV queue includes machines with higher OS version

  #117807 closed Jul 24, 2025

• Compiled regex patterns like "(?<=()*?)a" thow exception `Bad label content in ILGenerator.`

  #117601 closed Jul 24, 2025

• JIT: Assertion failed 'succBlock->bbTraversalStamp == curTraversalStamp' during 'Optimize Valnum CSEs' under JitStress

  #117555 closed Jul 23, 2025

• Tune conditional compare optimizations for APX

  #114564 closed Jul 23, 2025

• [maui][hot-reload][vs] VS exits debug mode after changing C# code, applying Hot Reload and adding breakpoints afterwards

  #115307 closed Jul 23, 2025

• HRESULT E_FAIL returned by native method is overwritten by wrong managed exception instead of COMException

  #116917 closed Jul 23, 2025

• [API Proposal]: Respect `ISupportErrorInfo` for `HRESULT` to `Exception` throwing conversion

  #117438 closed Jul 23, 2025

• [wasm] DebuggerTests.WasmHostProvider.LaunchHostAsync

  #108071 closed Jul 23, 2025

• `chrome-DebuggerTests` timing out

  #108078 closed Jul 23, 2025

• ResourceManager embeds "Files" into the assembly

  #43119 closed Jul 23, 2025

• [wasm] DebuggerTests.Inspector.OpenSessionAsync

  #108072 closed Jul 23, 2025

• .NET 9 mono debugger much slower

  #109980 closed Jul 23, 2025

• Runtime binding ENVs missing from dotnet --info

  #117732 closed Jul 23, 2025

• [API Proposal]: Add ExcludeStatics to RequiresUnreferencedCode and RequiresDynamicCode

  #117524 closed Jul 23, 2025

• [API Proposal]: SlhDsaCng

  #117814 closed Jul 23, 2025

• crossgen2-comparison windows x86 Release to x86 windows failing for System.Private.CoreLib

  #115661 closed Jul 23, 2025

• Xcode 26 Build Failure: Undefined symbols for architecture arm64 DarwinFoundation

  #116448 closed Jul 23, 2025

• [browser] contribute dotnet perf benchmark into JetStream suite

  #109953 closed Jul 23, 2025

• Test failure: System.CodeDom.Compiler.Tests.ExecutorTests.ExecWaitWithCapture_OutputIncludesCurrentDirectory

  #115175 closed Jul 23, 2025

• [Perf] Windows/x64: 6 Regressions on 2/11/2025 10:40:48 AM +00:00

  #112659 closed Jul 23, 2025

• [Perf] Linux/x64: Regressions in System.Collections.Perf_LengthBucketsFrozenDictionary

  #105328 closed Jul 23, 2025

• [Perf] Windows/x64: System.Collections.ContainsTrue<Int32> Regression on 11/22/2024 9:27:23 AM

  #110192 closed Jul 23, 2025

• [Perf] Windows/x64: 10 Regressions on 1/16/2025 12:39:22 AM +00:00

  #111671 closed Jul 23, 2025

• [Perf] Linux/arm64: 3 Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

  #96851 closed Jul 23, 2025

• Performance regression looping over large arrays

  #114047 closed Jul 23, 2025

• [Fuzzlyn] Incorrect T1 behavior around division

  #116125 closed Jul 23, 2025

• JIT generates different code for pointer and reference arguments

  #99759 closed Jul 23, 2025

• [API Proposal]: FrozenInterlocked

  #117384 closed Jul 23, 2025

• Uri path compression is O(n^2)

  #117777 closed Jul 23, 2025

• Timeout in WASM run for System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandlerTest.LargeUriAndHeaders_Works

  #117942 closed Jul 23, 2025

• [API Proposal]: Add overload of Lazy<T> constructor which allows to turn off exception caching behaviour

  #114147 closed Jul 23, 2025

• [API Proposal]: StringBuilder.AppendJoin but instead of Select'ing values use StringBuilder itself

  #114095 closed Jul 23, 2025

• SerialPort 读取数据被分片的问题

  #114539 closed Jul 23, 2025

• Cannot suppress obsolete or experimental errors that use a custom diagnostic ID

  #114377 closed Jul 23, 2025

• Allow removing items from ImmutableDictionary.Builder while enumerating it

  #114788 closed Jul 23, 2025

• Polyfill IAsyncEnumerable from Microsoft.Bcl.AsyncInterfaces does not work in net8.0 without reference to Microsoft.Bcl.AsyncInterfaces

  #115124 closed Jul 23, 2025

• [android]build cdac-build-tool failed

  #114986 closed Jul 23, 2025

• [API Proposal]: Sort() on OrderedDictionary

  #115127 closed Jul 23, 2025

• [API Proposal]: Add MaybeNullIfNull attribute

  #115990 closed Jul 23, 2025

• GetRSAPrivateKey fails to retrieve ephemeral key that is persisted.

  #115527 closed Jul 23, 2025

• [JsonSerializer] Retain the flexibilty of JSON.NET's JsonConstructor logic

  #116564 closed Jul 23, 2025

• Test failure: System.Diagnostics.Tests.ProcessTests.TestProcessName

  #116051 closed Jul 23, 2025

• [Android] Monitor.Wait and Thread.Interrupt() returns false, not ThreadInterruptedException

  #79531 closed Jul 23, 2025

• FileSystemWatcher fails to register file addition on Linux when IncludeSubdirectories = true

  #116351 closed Jul 23, 2025

• Optimize `Random.GetHexString`

  #116192 closed Jul 23, 2025

• HttpClientFactory doesn't respect lifetime of custom message handlers

  #36574 closed Jul 23, 2025

• Renable WebSocket Client tests with ServerInitiatedClose semantics

  #28957 closed Jul 23, 2025

• Add tests with LoopbackServer for web sockets

  #73849 closed Jul 23, 2025

• Process crash when System.Diagnostics.Process can't find child process

  #116385 closed Jul 23, 2025

• [API Proposal]: Implement IParsable<T> on JsonNode

  #117052 closed Jul 23, 2025

• Unable to clone

  #117935 closed Jul 23, 2025

• `Activator.CreateInstance` doesn't work for ref structs with explicit constructors

  #117838 closed Jul 23, 2025

• System.ComponentModel.TypeConverter.Tests.WorkItemExecution failing

  #117959 closed Jul 23, 2025

• System.Security.Cryptography.CryptographicException: 'Access denied.'

  #117930 closed Jul 22, 2025

• [API Proposal]: Enable decoding APIs on JsonUTF8Reader.

  #117131 closed Jul 22, 2025

• JsonConverter.CanConvert called with a different type depending on the type of the container

  #117119 closed Jul 22, 2025

• Profiler ReJIT reverts are partially broken

  #117823 closed Jul 22, 2025

• Update the Microsoft.Internal.Runtime.AspNetCore.Transport package to only include RID-less TFM assemblies

  #116636 closed Jul 22, 2025

• Test failure: Interop/StructMarshalling/ReversePInvoke/MarshalSeqStruct/ReversePInvoke/ReversePInvokeTest/ReversePInvokeTest.cmd

  #110299 closed Jul 22, 2025

• Assert failure: !CREATE_CHECK_STRING(!GCHeapUtilities::GetGCHeap()->IsLargeObject(this))

  #114639 closed Jul 22, 2025

• Test failure: CoreMangLib/system/multicastdelegate/MulticastDelegateCombineImpl/MulticastDelegateCombineImpl.cmd

  #117136 closed Jul 22, 2025

• Test failure: Loader/classloader/regressions/dev10_724989/dev10_724989/dev10_724989.cmd

  #116946 closed Jul 22, 2025

• Test failure: baseservices/TieredCompilation/BasicTestWithMcj/BasicTestWithMcj.cmd

  #116906 closed Jul 22, 2025

• Test failure: GC/Features/KeepAlive/keepaliveother/keepalivescope/keepalivescope.cmd

  #117638 closed Jul 22, 2025

• Test failure: GC/API/GCHandle/Casting/Casting.cmd

  #117639 closed Jul 22, 2025

• DiagnosticsHandler is missing validation when injecting headers

  #116858 closed Jul 22, 2025

• Assertion failed 'inVarToRegMap[varIndex] == REG_STK' during 'LSRA allocate'

  #66579 closed Jul 22, 2025

• [Perf] Linux/x64: IPAddressPerformanceTests Regression on 2/17/2025 9:03:44 PM +00:00

  #112916 closed Jul 22, 2025

• [9.0]: WasmTestOn.*-MT-.* timeout

  #116492 closed Jul 22, 2025

• Subset Help No Longer Works In Main Build Script

  #117920 closed Jul 22, 2025

• [API Proposal]: Clint binding for turso db

  #117924 closed Jul 22, 2025

• GeneratedRegex comments rearrange characters in character classes

  #117637 closed Jul 22, 2025

• Multiple Jit compile errors on net6-ios target

  #72342 closed Jul 22, 2025

• IConfigurationRoot return empty string instead of null ?

  #117921 closed Jul 22, 2025

• [browser] Watch doesn't rebuild wasmbrowser application

  #101237 closed Jul 22, 2025

• [wasi] Align build configuration with NativeAOT-LLVM

  #100921 closed Jul 22, 2025

• System.Net.HttpListener.Tests failure

  #117893 closed Jul 22, 2025

• Test failure: profiler/handles/handles/handles.cmd

  #111008 closed Jul 22, 2025

• [dotnet-sdk-10.0.100-preview.6.25314.101] Artemis shows an exception popup: System.InvalidOperationException: A value of type 'System.String' cannot be converted to a 'System.Guid'.

  #116730 closed Jul 22, 2025

• private provider not correctly initialized when starting process after etw session is started

  #115420 closed Jul 22, 2025

• [API Proposal]: Obsolete XsltSettings.EnableScript

  #108287 closed Jul 22, 2025

• Bad codegen when EVEX embedded broadcast is combined with embedded masking on some bitwise instructions

  #117794 closed Jul 22, 2025

• GeneratedRegex generated docs missing some matched characters

  #117818 closed Jul 22, 2025

• SIGABRT when using Interpreter in .NET 10 Preview

  #117733 closed Jul 22, 2025

• [API Proposal]: Add PipeReader and PipeWriter overloads to JsonSerializer.SerializeAsync/DeserializeAsync

  #68586 closed Jul 21, 2025

• [Perf] Linux/x64: 11 Regressions on 5/10/2025 5:40:58 AM +00:00

  #115519 closed Jul 21, 2025

• System.Formats.Tar null-terminated strings not trimmed correctly

  #117331 closed Jul 21, 2025

• error NETSDK1084: There is no application host available for the specified RuntimeIdentifier 'linux-xxx'

  #116510 closed Jul 21, 2025

• XPath 2.0, 3.0, 3.1 (Expressions) (+ XSLT versions) support

  #117534 closed Jul 21, 2025

• 9.0 Preview 6 tag seems to be wrong

  #117529 closed Jul 21, 2025

• UnauthorizedAccessException when writing to a file with Hidden attribute

  #117757 closed Jul 21, 2025

• Symbolic link change in .NET 9 breaks previously functioning apps

  #115135 closed Jul 21, 2025

• Regression: Items are not being evicted from MemoryCache in .NET 6

  #74676 closed Jul 21, 2025

• System.Runtime.Caching.MemoryCache does not evict on NET 3.1/5/6

  #62516 closed Jul 21, 2025

• System.ServiceModel.Syndication RSS 2.0 pubdate field,, error parsing Timezone

  #65212 closed Jul 21, 2025

• Solution files are referencing everything

  #117883 closed Jul 21, 2025

• Local clean build failure while linking `Corehost.static\singlefilehost.exe`

  #83123 closed Jul 21, 2025

• Crash on reentry of tiered compilation

  #107074 closed Jul 21, 2025

• [ppc64le] runtime fails to build on clang 20

  #112751 closed Jul 21, 2025

• System.Formats.Nrbf.Tests failing on Linux x64 in the CI

  #116261 closed Jul 21, 2025

• Inconsistent Interop Behavior for Blittable Floating-Point Wrapper Structs in Windows

  #117778 closed Jul 21, 2025

• API compat error for `DisableGeneratedCodeHeuristics` in ILLink

  #117854 closed Jul 21, 2025

• Include searched locations in error message when host cannot find a .NET install

  #116108 closed Jul 21, 2025

• GCPerfSim .NET 8 vs. .NET 6 Performance Regressions

  #91642 closed Jul 21, 2025

• [browser] Hot-reload support on non-blazor template

  #91389 closed Jul 21, 2025

• [mono][Perf] DateTime regressions (6 Regressions on 1/9/2025 2:59:16 AM)

  #111916 closed Jul 21, 2025

• Assert failure: dwILOffsetWalk == dwILOffsetDebugInterface

  #117882 closed Jul 21, 2025

• JIT: EH seemingly removed with `Dp.DotProductBySelectedQuadruplet`

  #116129 closed Jul 21, 2025

• [Android] System.IO.Pipelines.Tests.PipeWriterTests.GetMemoryFlushWithACompletedReaderNoops causes the test to fail due to memory pressure

  #117090 closed Jul 21, 2025

• [Android] `Invariant.Tests.csproj` is failing on CoreCLR Android

  #117270 closed Jul 21, 2025

• WebScenario test failing intermittently in Mono legs in VMR

  #111465 closed Jul 21, 2025

• [Android AOT] Precompiling failing in .NET 9

  #113672 closed Jul 20, 2025

• [6.0] Test failure in System.Formats.Asn1 ReadVeryLongOid_WithAppContext: could not load file or assembly in NET48

  #104647 closed Jul 20, 2025

• `System.Numerics.Tensors.Tests.TensorSpanTests.TensorExtensionsTwoSpanInFloatOut` fails with `IndexOutOfRangeException`

  #107254 closed Jul 20, 2025

• [coreclr] `System.Numerics.Tensors.Tests` fails with `Index was outside the bounds of the array.`

  #107911 closed Jul 20, 2025

• Test failure: System.Numerics.Tensors.Tests.TensorSpanTests.TensorExtensionsSpanInTOut<Single>

  #107893 closed Jul 20, 2025

• Add ability to stream large strings in Utf8JsonWriter/Utf8JsonReader

  #67337 closed Jul 20, 2025

• [Mono]Assertion at /runtime/src/mono/mono/mini/mini-runtime.c:417, condition `ptr' not met

  #111012 closed Jul 20, 2025

• possible null ref in SignatureHelper

  #110832 closed Jul 20, 2025

• Access to NULL objects crashes the app even inside a try/catch block

  #110597 closed Jul 20, 2025

• Android app doesn't build in Release mode (Mono Ahead of Time compiler)

  #107202 closed Jul 20, 2025

57 Issues opened by 49 people

• Add JSON output format for `dotnet --info` and introduce `dotnet env` for common queries

  #118096 opened Jul 27, 2025

• "Clr -msbuild" build is broken by clrinterpreter

  #118093 opened Jul 27, 2025

• Android tests fail with INSTALL_FAILED_INSUFFICIENT_STORAGE

  #118090 opened Jul 27, 2025

• [RuntimeAsync] Support `MethodImpl.Async` on dynamic methods.

  #118074 opened Jul 25, 2025

• NAOT on .NET 10 throws from `Internal.Runtime.TypeLoader.TypeLoaderEnvironment.RegisterDynamicGenericTypesAndMethods` when calling some GVMs

  #118072 opened Jul 25, 2025

• Request: Add implicit conversion between KeyValuePair and ValueTuple

  #118068 opened Jul 25, 2025

• Follow up to M.B.C. cert accessors (#117907)

  #118066 opened Jul 25, 2025

• SymmetricAlgorithm.BlockSize setter resets IV even if BlockSize isn't changing

  #118063 opened Jul 25, 2025

• Consider updating named blocks in Regex

  #118062 opened Jul 25, 2025

• System.Text.Json throws InvalidOperationException deserializing a polymorphic type which overrides an ignored property

  #118061 opened Jul 25, 2025

• Regarding the issue of the UdpClient.EnableBroadcast property

  #118055 opened Jul 25, 2025

• [API Proposal]: Remove IEquatable<T>? constraint on ArgumentOutOfRangeException ThrowIfEqual/ThrowIfNotEqual

  #118053 opened Jul 25, 2025

• [API Proposal]: LinkedList-DequeList Alternative

  #118051 opened Jul 25, 2025

• .NET 9 Process Fails To Terminate after Unhandled Exception when running as PID 1 in Docker with Crash Dump enabled

  #118049 opened Jul 25, 2025

• [wasm] High memory fragmentation on LOS allocations

  #118044 opened Jul 24, 2025

• ILVerify support for runtime async

  #118042 opened Jul 24, 2025

• gc.cpp assert during the nativeaot.SmokeTests runs

  #118038 opened Jul 24, 2025

• System.Uri un-encodes %2F in path segment, but only in Excel add-in

  #118031 opened Jul 24, 2025

• Investigate whether crossgen composite mode inlining is behaving as intended on all platforms

  #118028 opened Jul 24, 2025

• linker throws InvalidCastException when encountering extension user-defined compound assignment operators

  #118025 opened Jul 24, 2025

• [API Proposal]: UTF-16 version of `Utf8.IsValid`

  #118018 opened Jul 24, 2025

• [Proposal] Add `/Library/Preferences/dotnet/Settings.plist` to Change `PKG` Installer to Append to `PATH`

  #118004 opened Jul 23, 2025

• [Analyzer Proposal]: Detect legacy (w/o Durable IDs) logging APIs without using logger message generator

  #117999 opened Jul 23, 2025

• Missing trimming warning when calling instance methods on valuetypes

  #117998 opened Jul 23, 2025

• Reset launch timeout for xharness to default on Apple mobile

  #117988 opened Jul 23, 2025

• Unmanaged memory leak in linux-arm64 container after migration from .NET 8 to .NET 9 caused by old NuGet package

  #117984 opened Jul 23, 2025

• Move FlushProcessWriteBuffers to minipal

  #117977 opened Jul 23, 2025

• Support detect keyed dependency injected IDistributedCache as backend cache for DefaultHybridCache

  #117976 opened Jul 23, 2025

• browser-wasm linux Release LibraryTests queues timing out

  #117974 opened Jul 23, 2025

• Build Mono.AotCross error

  #117970 opened Jul 23, 2025

• .NET Core Profiler Crashing on 32 bit Application Environment

  #117969 opened Jul 23, 2025

• [wasm] System.Net.WebSockets.Client.Tests.InvokerCloseTest.CloseOutputAsync_ClientInitiated_CanReceive_CanClose failing with WebSocketException

  #117964 opened Jul 23, 2025

• System.Net.Mail.Tests.SmtpClientTlsTest_Send.AuthenticationException_Propagates failure: expected typeof(System.Security.Authentication.AuthenticationException), actual typeof(System.Net.Mail.SmtpException)

  #117963 opened Jul 23, 2025

• System.ComponentModel.TypeConverter.Tests.WorkItemExecution failure

  #117961 opened Jul 23, 2025

• [API Proposal]: SLH-DSA: Rename Secret Key to Private Key

  #117958 opened Jul 23, 2025

• [interp] Ensure that all intrinsics are compiled with R2R in shipping R2R + interpreter configurations

  #117948 opened Jul 22, 2025

• [wasi] disable WASI on Net10 and main

  #117931 opened Jul 22, 2025

• StrConv with VbProperCase Does not Capitalise some words

  #117929 opened Jul 22, 2025

• Assembly.GetType return always excetion, args "throwOnError" don`t work. .NET 9.0

  #117972 opened Jul 22, 2025

• `System.Net.Mail.Tests.SmtpClientTlsTest_SendMailAsync.AuthenticationException_Propagates` timeout

  #117925 opened Jul 22, 2025

• System.Media.SoundPlayer is not working. It doesn't sound. I've tried all kinds of things, but it doesn't work.

  #117922 opened Jul 22, 2025

• [Android][CoreCLR] Add runtimeconfig.json support for test host

  #117919 opened Jul 22, 2025

• Test failure: profiler/handles/handles/handles.cmd

  #117918 opened Jul 22, 2025

• [Perf] Linux/x64: 5 Regressions on 7/14/2025 11:26:56 PM +00:00

  #117938 opened Jul 22, 2025

• [API Proposal]: ML-DSA

  #117911 opened Jul 22, 2025

• TimeZoneInfoTests.Platform_TimeZoneNames failing on Android

  #117903 opened Jul 21, 2025

• Add support for DOTNET prefix on ICorProfiler env vars

  #117902 opened Jul 21, 2025

• `WasmBootConfigFileName` doesn't work with WasmAppBuilder without additional configuration

  #117900 opened Jul 21, 2025

• Inconsistent trim warnings for attributes on members

  #117899 opened Jul 21, 2025

• Assertion failure in jit compiler.hpp when running different tests #6010

  #117896 opened Jul 21, 2025

• [API Proposal]: ValidateRequiredMembers support for Microsoft.Extensions.Options

  #117888 opened Jul 21, 2025

• Assertion failed 'varTypeIsSIMD(op1)' in TensorPrimitives

  #117881 opened Jul 21, 2025

• Exception 0xc0000602 in coreclr.dll during extremely heavy load

  #117880 opened Jul 21, 2025

• .NET 9 ThreadPool Starvation - High QueueSize with Many Idle Worker Threads

  #117877 opened Jul 21, 2025

• [API Proposal]: Add GetOrCreateAsync to support load multiple keys

  #117870 opened Jul 21, 2025

• Parameter Count Mismatch: when using a Delegate during an async / await call via a lambda expression

  #117867 opened Jul 20, 2025

• Redundant TEST instruction after ADD

  #117866 opened Jul 20, 2025

784 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Port the Shared Mutex logic from CoreCLR PAL to work alongside the managed wait subsystem

  #117635 commented on Jul 25, 2025 • 22 new comments

• [interp] Forcibly enable intrinsics when we encounter a must-expand call

  #117727 commented on Jul 23, 2025 • 12 new comments

• [cDAC] Implement IXCLRDataProcess.EnumMethodInstancesByAddress

  #115131 commented on Jul 25, 2025 • 10 new comments

• Unify Span/Memory slicing exceptions

  #115275 commented on Jul 21, 2025 • 8 new comments

• Extend allowed SemaphoreSlim wait TimeSpan values to match Timer and other APIs

  #117398 commented on Jul 22, 2025 • 7 new comments

• Using MSBuild task to run the XmlSerializer directly

  #117406 commented on Jul 24, 2025 • 6 new comments

• Adding GetAppDomainName cDAC API

  #117837 commented on Jul 24, 2025 • 4 new comments

• Arm64: re-enable use of predicate variants

  #117313 commented on Jul 24, 2025 • 3 new comments

• [RISC-V] Introduce C extension for Integer Register-Register Operations

  #117408 commented on Jul 25, 2025 • 3 new comments

• [APX] fix a few emitter bugs.

  #117791 commented on Jul 25, 2025 • 3 new comments

• [cDAC] Implement `ISOSDacInterface::GetJumpThunkTarget`

  #117781 commented on Jul 27, 2025 • 2 new comments

• Update BigInteger and Complex to support UTF8 parsing and formatting

  #117745 commented on Jul 24, 2025 • 2 new comments

• Change unhandled exception detection

  #117620 commented on Jul 21, 2025 • 1 new comment

• Check HFA alignment for valuetype fields

  #106099 commented on Jul 26, 2025 • 1 new comment

• Annotate System.ServiceModel.Syndication for trimming and AOT

  #114028 commented on Jul 21, 2025 • 1 new comment

• Fix FitsIn(tree->TypeGet(), value) assert

  #114928 commented on Jul 24, 2025 • 1 new comment

• [Perf] Linux/x64: 1 Regression on 6/19/2025 2:24:12 PM +00:00

  #116967 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Enhance ToDictionary with Duplicate Key Handling Options

  #113096 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Tensor Operators

  #112781 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Make IsApplePlatform public

  #113262 commented on Jul 26, 2025 • 0 new comments

• Hot Reload: Clear resource cache on metadata update

  #115911 commented on Jul 26, 2025 • 0 new comments

• When I added a TargetOS type to the build script, some BCL libraries failed to compile

  #117327 commented on Jul 26, 2025 • 0 new comments

• Blazor WebAssembly - `ZipArchiveEntry.Open` causes unexpected termination at runtime in published app on .NET 10 Preview 3 and 4

  #115780 commented on Jul 26, 2025 • 0 new comments

• Blazor WebAssembly - `ZipArchiveEntry.Open` throws `ZLibException` when the `InvariantGlobalization` MSBuild property is set to true since .NET 10 Preview 3

  #115720 commented on Jul 26, 2025 • 0 new comments

• Bug : regular expressions that never stops matching

  #113734 commented on Jul 26, 2025 • 0 new comments

• [CoreCLR] AccessViolationException on .NET 8.0.16 when tiered compilation is enabled

  #116180 commented on Jul 26, 2025 • 0 new comments

• [Android] Application crashes when an exception is thrown after running a System.Diagnostics.Process

  #97209 commented on Jul 26, 2025 • 0 new comments

• LINQ to XML: Inconsistent namespace prefix handling

  #48400 commented on Jul 26, 2025 • 0 new comments

• [mono] Deadlock on mono_loader_lock

  #117504 commented on Jul 27, 2025 • 0 new comments

• C# hostpolicy.dll Fatal Error

  #117863 commented on Jul 27, 2025 • 0 new comments

• System.TypeLoadException When Interface Type Contains Static Field/Property for Derived Struct Type

  #104511 commented on Jul 27, 2025 • 0 new comments

• System.InvalidCastException in DynamicallyAccessedMembersAnalyzer when using C# 14 extensions

  #115949 commented on Jul 27, 2025 • 0 new comments

• Add CIL instructions to detect arithmetic overflows without raising an exception

  #13026 commented on Jul 27, 2025 • 0 new comments

• System.Data.OleDb.Test - timeout and hangs

  #74488 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.InstanceDataTests.InstanceDataCollectionCollection tests failing in CI

  #75417 commented on Jul 27, 2025 • 0 new comments

• Build on Windows Fails sometimes with fatal error C1090: PDB API call failed

  #48070 commented on Jul 27, 2025 • 0 new comments

• 3 System.Diagnostics tests failing - System.FormatException : The input is not a valid Base-64

  #76140 commented on Jul 27, 2025 • 0 new comments

• Intermittent build failure in AfterSourceBuild: "Could not write state file"

  #76488 commented on Jul 27, 2025 • 0 new comments

• `System.IO.Pipes.Tests.NamedPipeTest_Specific.ClientConnectAsync_Cancel_With_InfiniteTimeout` failing on `Libraries Test Run release coreclr windows x86 Release`

  #69101 commented on Jul 27, 2025 • 0 new comments

• System.Reflection.CustomAttributeFormatException thrown on a retrieval of derived attribute with overridden property getter

  #110412 commented on Jul 26, 2025 • 0 new comments

• Exception on LDAP/AD connection with .NET 8 on MacOs and Docker with StartTransportLayerSecurity

  #110391 commented on Jul 26, 2025 • 0 new comments

• [Perf] Windows/x64: System.IO.Compression.Brotli Regressions on 12/6/2024 12:52:57 AM

  #110583 commented on Jul 26, 2025 • 0 new comments

• PersistedAssemblyBuilder: unable to retrieve resources added with AddManifestResource

  #110686 commented on Jul 26, 2025 • 0 new comments

• EnumBuilder.UnderlyingSystemType != EnumBuilder.CreateType().UnderlyingSystemType

  #110924 commented on Jul 26, 2025 • 0 new comments

• ``ILGenerator`` does not properly handle function pointers

  #111003 commented on Jul 26, 2025 • 0 new comments

• `Microsoft.Extensions.Hosting`: Application stop throws exception if host is still starting

  #111013 commented on Jul 26, 2025 • 0 new comments

• Result of Regex.Match("wtfb",@"(.)()+?b") is not same as new Regex(@"(.)()+?b",RegexOptions.Compiled).Match("wtfb")

  #111051 commented on Jul 26, 2025 • 0 new comments

• Runtime metrics for ThreadPool ThreadCount is not implemented as UpDownCounter

  #112077 commented on Jul 26, 2025 • 0 new comments

• DirectoryCatalog should not do ToUpper if case sensitivity is enabled

  #111181 commented on Jul 26, 2025 • 0 new comments

• Document dangers and support policy for private reflection

  #112114 commented on Jul 26, 2025 • 0 new comments

• Add Support for Brotli Compression with Shared Dictionaries in .NET

  #112656 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add capability in `PEReader` to reject COFF files.

  #112830 commented on Jul 26, 2025 • 0 new comments

• System.IO.Packaging should perform case-insensitive matching when determining part media types

  #112783 commented on Jul 26, 2025 • 0 new comments

• MetadataLoadContext assembly binding behavior is documented incorrectly

  #113353 commented on Jul 26, 2025 • 0 new comments

• Configuration Binder source generator creates namespace ambiguity and not found error

  #109759 commented on Jul 26, 2025 • 0 new comments

• Configuration Binder source generator can generate code that won't compile

  #111517 commented on Jul 26, 2025 • 0 new comments

• MetadataAggregator.GetGenerationHandle returns incorrect results for Guid heap handles

  #113910 commented on Jul 26, 2025 • 0 new comments

• Auto-generate parts of the PackageOverrides.txt file

  #113984 commented on Jul 26, 2025 • 0 new comments

• Build warnings: "Could not resolve reference..."

  #114390 commented on Jul 26, 2025 • 0 new comments

• RuntimePropertyInfo performance regression when used in a hash table

  #114280 commented on Jul 26, 2025 • 0 new comments

• Customizing `ApplicationName` during host building breaks User Secrets

  #114505 commented on Jul 26, 2025 • 0 new comments

• [RuntimeAsync] Dynamic methods (System.Reflection.Emit).

  #115101 commented on Jul 26, 2025 • 0 new comments

• Memory leak in Generic .NET Host of PhysicalFilesWatcher

  #115557 commented on Jul 26, 2025 • 0 new comments

• [6.0] GC test failures: Handle collector count overflows or underflows

  #81383 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] MutexTests - operation does not support unaligned accesses

  #96191 commented on Jul 27, 2025 • 0 new comments

• Error while retrieving client Settings for PipelineArtifact. HttpRequestException: nodename nor servname provided, or not known (vsblobprodcus3.vsblob.visualstudio.com:443)

  #96798 commented on Jul 27, 2025 • 0 new comments

• [6.0] Test failure in System.Text.Json.Tests.Utf8JsonWriterTests.Writing3MBBase64Bytes(formatted: True, skipValidation: False)

  #96879 commented on Jul 27, 2025 • 0 new comments

• System.IO.Tests.File_GetSetTimes_SafeFileHandle.WritingShouldUpdateWriteTime_After_SetLastAccessTime failing

  #97020 commented on Jul 27, 2025 • 0 new comments

• [browser][debugger] Firefox EvaluateOnCallFrame2Tests

  #98086 commented on Jul 27, 2025 • 0 new comments

• [mt][browser] `HttpClient_CancelInDifferentThread` failing with operation cancelled

  #98101 commented on Jul 27, 2025 • 0 new comments

• [debugger][mt][browser] TestDebugUsingMultiThreadedRuntime times out

  #98110 commented on Jul 27, 2025 • 0 new comments

• [7.0] Could not find a part of the path in System.IO.Tests.FileSystemWatcherTests.FileSystemWatcher_Directory_Delete_MultipleFilters

  #98193 commented on Jul 27, 2025 • 0 new comments

• [outerloop] System.Runtime.Tests crash with exit code 137 in linux debug coreclr

  #98964 commented on Jul 27, 2025 • 0 new comments

• [browser][mt][wbt] `Wasm.Build.Tests.BlazorWasmTestBase.BlazorRunTest` Current count: 0

  #99283 commented on Jul 27, 2025 • 0 new comments

• [8.0][wasm] Exit code 137 returned from docker process after executing containerHandlerInvoker.js, cs files specified multiple times

  #99423 commented on Jul 27, 2025 • 0 new comments

• Assertion failed in SafeFileHandle.OverlappedValueTaskSource.IOCallback

  #99517 commented on Jul 27, 2025 • 0 new comments

• GC\Regressions\v2.0-beta2\452950\452950\452950.cmd failing on Mono minijit Windows x64

  #99729 commented on Jul 27, 2025 • 0 new comments

• System.Net.Tests.HttpListenerRequestTests fail with SocketException : Connection refused

  #100088 commented on Jul 27, 2025 • 0 new comments

• Test failure: AggregateException: Not all processes in process tree could be terminated.

  #93321 commented on Jul 27, 2025 • 0 new comments

• System.IO.Net5Compat.Tests and System.IO.Tests suddenly exiting with error 137

  #100558 commented on Jul 27, 2025 • 0 new comments

• LibraryImportGenerator.Unit.Tests crashing on linux-x64 mono interpreter

  #100800 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] fail in System.Reflection.RuntimeMethodInfo.InternalInvoke

  #100831 commented on Jul 27, 2025 • 0 new comments

• [wasm] perftiger v8 - Failed to install prerequisites

  #100910 commented on Jul 27, 2025 • 0 new comments

• GetLoadLevel() postcondition failure

  #101096 commented on Jul 27, 2025 • 0 new comments

• [wasm] Timeout in System.Text.Json.Tests

  #101204 commented on Jul 27, 2025 • 0 new comments

• System.IO.FileSystem.Tests.WorkItemExecution CI timeout on net9.0-osx-Debug-x64-Mono_Minijit_Debug-OSX.1200.Amd64.Open

  #101423 commented on Jul 27, 2025 • 0 new comments

• [8.0] Test failure in System.Diagnostics.Tests.ProcessTests.MainWindowHandle_GetWithGui_ShouldRefresh_Windows

  #101700 commented on Jul 27, 2025 • 0 new comments

• [6.0] Android test failure: Failed to install mobile app

  #83422 commented on Jul 27, 2025 • 0 new comments

• System.Security.Cryptography.X509Certificates.Tests.ChainTests.BuildInvalidSignatureTwice failure

  #82837 commented on Jul 27, 2025 • 0 new comments

• [6.0] System.Random test failure: NextInt_AllValuesAreWithinSpecifiedRange

  #83421 commented on Jul 27, 2025 • 0 new comments

• [tests] System.IO.Pipes.Tests NamedPipeTest Failing on iOS/tvOS

  #77469 commented on Jul 27, 2025 • 0 new comments

• System.Data.OleDb.Tests timeout in net48 x86 Release leg

  #87783 commented on Jul 27, 2025 • 0 new comments

• Test failure WindowsAlternateDataStreamOverwrite

  #83659 commented on Jul 27, 2025 • 0 new comments

• OOM on System.Text.Json.Tests.Utf8JsonWriterTests.WriteRawLargeJsonToStreamWithoutFlushing

  #88272 commented on Jul 27, 2025 • 0 new comments

• [wasm] `DebuggerTests.MiscTests.DebuggerTests.MiscTests.TestDebugUsingMultiThreadedRuntime` failing

  #89909 commented on Jul 27, 2025 • 0 new comments

• Crash in Microsoft.Extensions.Logging.Generators.Roslyn4.0.Tests.WorkItemExecution

  #90019 commented on Jul 27, 2025 • 0 new comments

• tracing/runtimeeventsource/nativeruntimeeventsource/nativeruntimeeventsource failing in CI

  #90605 commented on Jul 27, 2025 • 0 new comments

• STATUS_UNSUCCESSFUL in RsaCryptRoundtrip_OaepSHA1

  #29683 commented on Jul 27, 2025 • 0 new comments

• Address race in PerformanceCounterLib

  #90803 commented on Jul 27, 2025 • 0 new comments

• ComInterfaceGenerator.Unit.Tests crashes on net9.0-linux-Debug-x64-Mono_release-Ubuntu.2204.Amd64.Open

  #92070 commented on Jul 27, 2025 • 0 new comments

• Compiler crashes when failing to release Mutex

  #53420 commented on Jul 27, 2025 • 0 new comments

• AzDo uploading failure: "Blob is incomplete"

  #92148 commented on Jul 27, 2025 • 0 new comments

• [8.0] coreclr test failure: readytorun_GenericCycleDetection._Depth3Test_Depth3Test_._Depth3Test_Depth3Test_sh()

  #92420 commented on Jul 27, 2025 • 0 new comments

• MSBuild crashing in the build

  #92290 commented on Jul 27, 2025 • 0 new comments

• System.Management.Tests fail with System.Management.ManagementException

  #92518 commented on Jul 27, 2025 • 0 new comments

• [wasm] WBT: Blazor tests on windows failing with `Failed to bind to address` for random ports

  #92910 commented on Jul 27, 2025 • 0 new comments

• [8.0] 'RanToCompletion' failure in System.Threading.RateLimiting.Test.ConcurrencyLimiterTests.DoesNotDeadlockCleaningUpCanceledRequestedLease_Post

  #92804 commented on Jul 27, 2025 • 0 new comments

• The system cannot open the device or file specified 'NuGet-Migrations'

  #91987 commented on Jul 27, 2025 • 0 new comments

• [8.0] [wasm] [AOT] HTTP Error 500.30 - ASP.NET Core app failed to start

  #95160 commented on Jul 27, 2025 • 0 new comments

• Test failure System.Diagnostics.Tests.PerformanceCounterCategoryTests.PerformanceCounterCategory_Create_Invalid

  #94498 commented on Jul 27, 2025 • 0 new comments

• Have `ConstructorInfo` use `Activator.CreateInstance()` instead of emit for default constructors

  #78917 commented on Jul 26, 2025 • 0 new comments

• Configuration Binding source generator throws InvalidOperationException at runtime for type with custom [TypeConverter] use within a dictionary

  #93335 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Provide a way to create Attribute from CustomAttributeData

  #93383 commented on Jul 26, 2025 • 0 new comments

• Use ProjectReferences for inbox libraries source projects

  #93877 commented on Jul 26, 2025 • 0 new comments

• Delay Windows Service "Running" State Transition in .NET 6 BackgroundService

  #93476 commented on Jul 26, 2025 • 0 new comments

• failure in CreateDefaultBuilder_ConfigJsonDoesReload

  #94075 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder generates initialization logic for root type and never calls it when only generating Bind interceptors

  #94071 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder source generator generates code with the wrong nullable annotations

  #94105 commented on Jul 26, 2025 • 0 new comments

• DispatchProxy invoke method returning GenericType with constraint TypeLoadException

  #94096 commented on Jul 26, 2025 • 0 new comments

• Investigate UTF8/UTF16 transcoding with AVX512

  #93269 commented on Jul 26, 2025 • 0 new comments

• LoggerMessageGenerator optimizations

  #91178 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder source generator shouldn't generate empty methods

  #92151 commented on Jul 26, 2025 • 0 new comments

• Complex validation attribute constructor support in the Options validator source generator

  #91966 commented on Jul 26, 2025 • 0 new comments

• Understand and improve ConfigurationBinder Source Generator incremental behavior

  #92914 commented on Jul 26, 2025 • 0 new comments

• Address diagnostic issues in runtime incremental source generators

  #92509 commented on Jul 26, 2025 • 0 new comments

• Sort object properties optimally in emitted config binding gen logic

  #92594 commented on Jul 26, 2025 • 0 new comments

• Logging source generator reruns code generation phase on keypress.

  #93309 commented on Jul 26, 2025 • 0 new comments

• Options Validation source generator runs primary code generation phase on keypress

  #93313 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Make it easy to get the default value of a type given a `System.Type`

  #90697 commented on Jul 26, 2025 • 0 new comments

• Request to support W3C TraceContext Level 2: Setting "random traceid flag" in tracecontext

  #91282 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add `ToLowerOrdinal()` & `ToUpperOrdinal()`

  #90999 commented on Jul 26, 2025 • 0 new comments

• TFM compat logic for binding generator NuPkg doesn't account for custom TFM strings

  #91348 commented on Jul 26, 2025 • 0 new comments

• Audit identifier formatting algorithm in config binding & JSON generators

  #92079 commented on Jul 26, 2025 • 0 new comments

• ResolveField throws and catches exceptions which adds performance overhead

  #92856 commented on Jul 26, 2025 • 0 new comments

• Improve `LoggerMessageGenerator` incrementality

  #76119 commented on Jul 26, 2025 • 0 new comments

• BadImageFormatException when invoking static abstract method through reflection

  #79331 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: DateTime.ToDateTimeOffset(TimeZoneInfo)

  #78934 commented on Jul 26, 2025 • 0 new comments

• `.upsmap` binaries in `System.Speech`

  #81692 commented on Jul 26, 2025 • 0 new comments

• `IOptions<RecordType>` with `services.Configure<RecordType>` throws

  #79958 commented on Jul 26, 2025 • 0 new comments

• `codepages.nlp` binary in `System.Text.Encoding.CodePages`

  #81693 commented on Jul 26, 2025 • 0 new comments

• Extensibility for Configuration Binding Source Generator

  #83599 commented on Jul 26, 2025 • 0 new comments

• ServiceProviderEngineScope should aggregate exceptions in Dispose rather than throwing on the first.

  #86426 commented on Jul 26, 2025 • 0 new comments

• Add DebuggerDisplay to Activity and friends

  #88332 commented on Jul 26, 2025 • 0 new comments

• Avoid emitting code that honors BinderOptions when not specified in binding call

  #88110 commented on Jul 26, 2025 • 0 new comments

• When binding to interface collections, config generator shouldn't generate logic for both interface & mapping collection type.

  #89043 commented on Jul 26, 2025 • 0 new comments

• Deadlock when configuring ApplicationInsightsServiceOptions

  #88390 commented on Jul 26, 2025 • 0 new comments

• Fix SafeHandle usage in System.IO.Compression

  #89445 commented on Jul 26, 2025 • 0 new comments

• Create an internal sorted equatable collection type for incremental source generators

  #89318 commented on Jul 26, 2025 • 0 new comments

• GetIndexOfFirstNonAsciiByte_Vector path in Ascii.Utility.cs is never exercised for AdvSimd/SSE4.1

  #89924 commented on Jul 26, 2025 • 0 new comments

• Managed Memory Leak on NET for ManagementClass

  #89450 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Allow UseWindowsService and UseSystemd to indicate whether they've activated

  #90105 commented on Jul 26, 2025 • 0 new comments

• `Type.GetCustomAttributes()` can be slow when not passing an `attributeType` parameter.

  #89928 commented on Jul 26, 2025 • 0 new comments

• EventSource use of EventAttribute triggers dynamic methods in attribute usage

  #90405 commented on Jul 26, 2025 • 0 new comments

• Microsoft.Extensions.DependencyInjection ServiceProvider doesn't validate generic constraint.

  #90158 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add `ConfigureHostOptions` extensions for `IHostApplicationBuilder`

  #90478 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: `Host.CreateEmptyApplicationBuilder` without parameter API

  #90479 commented on Jul 26, 2025 • 0 new comments

• Compiler can silently generate a bad image when there's 0xFFFF parameters in the module

  #94892 commented on Jul 26, 2025 • 0 new comments

• Automate including the source gen projects in the transport package

  #91698 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder source generator should not generate source for types without members

  #94142 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder source generator build fails with CS9035 if option class have Property with requried

  #95006 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: System.Reflection.Metadata.MetadataReader.GetDocId(EntityHandle)

  #103168 commented on Jul 26, 2025 • 0 new comments

• Critically important services in Microsoft.Extensions.Hosting

  #103147 commented on Jul 26, 2025 • 0 new comments

• Code coverage fails on some assemblies

  #103190 commented on Jul 26, 2025 • 0 new comments

• How to tell if a Type is "awaitable" in native AOT / trimmed apps

  #103258 commented on Jul 26, 2025 • 0 new comments

• System.Resources.Extensions.Tests resource re-generation is broken after BinaryFormatter extrication

  #104216 commented on Jul 26, 2025 • 0 new comments

• Reflection API Incorrectly Boxes (U)IntPtr Constants as (U)Int32

  #104270 commented on Jul 26, 2025 • 0 new comments

• How can a depending class know if IServiceProvider is Scoped, in order to safely resolve a scoped service if available?

  #104900 commented on Jul 26, 2025 • 0 new comments

• Should .NET Generic Host call IHostApplicationLifetime.StopApplication for unhandled domain exceptions?

  #104428 commented on Jul 26, 2025 • 0 new comments

• No-op build spends an unreasonable amount of time in the ChooseBestTargetFrameworksTask task

  #105138 commented on Jul 26, 2025 • 0 new comments

• Poor project evaluation performance for project at least under src/libraries

  #105139 commented on Jul 26, 2025 • 0 new comments

• Host: StartupTimeout not enforced for hosted services and can break application state

  #106227 commented on Jul 26, 2025 • 0 new comments

• Investigate System.Lazy<,> type not found when comparing netstandard2.0 against NetCoreAppCurrent

  #106628 commented on Jul 26, 2025 • 0 new comments

• Test failure: System.ComponentModel.EventBasedAsync.Tests.BackgroundWorkerTests.TestCancelAsync

  #106849 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinding source generator ignores init-only properties without warning

  #107856 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: ICommand.Null

  #107435 commented on Jul 26, 2025 • 0 new comments

• Docs for members in DependencyInjection.Abstractions lack exception information.

  #108024 commented on Jul 26, 2025 • 0 new comments

• Logging source generator: CS9107 ILogger parameter is captured when use ILogger without generic

  #108264 commented on Jul 26, 2025 • 0 new comments

• [LOC]The "on" is not translated for Error on errorProvider property on all local languages

  #108422 commented on Jul 26, 2025 • 0 new comments

• SubReadStream in System.IO.Compression is Non-Seekable, Limiting Efficient Data Access

  #109064 commented on Jul 26, 2025 • 0 new comments

• Type initializer for CDSCollectionETWBCLProvider threw exception - NullReferenceException in InvokeStub_EventSourceAttribute.set_Guid

  #108919 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder ignores [ConfigurationKeyName] on derived type

  #107247 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder emits AOT warnings even when using Source Generator when passing result into a method

  #94544 commented on Jul 26, 2025 • 0 new comments

• `ZipFile.ExtractToDirectory` causes faulty permissions with pinned files

  #94465 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Enable configurable HostLifetime shutdown delay via HostOptions

  #95835 commented on Jul 26, 2025 • 0 new comments

• Add a way to get IReadOnlyDictionary<,> of keyed services

  #95476 commented on Jul 26, 2025 • 0 new comments

• System.Private.CoreLib's "Platform" is always set to AnyCPU when building inside Visual Studio which causes build failures

  #97984 commented on Jul 26, 2025 • 0 new comments

• ConfigurationBinder Source Generator is suppressing IL2026 and IL3050 diagnostics even when it doesn't actually intercept the call

  #96643 commented on Jul 26, 2025 • 0 new comments

• ApplicationSettingsBase.Upgrade() throws ArgumentNullException when run under fresh new user in macOS

  #98715 commented on Jul 26, 2025 • 0 new comments

• Issues with reflection where the return type of GetMember is an empty array of MemberInfo

  #98533 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: MetadataLoadContext.GetLoadContext(Assembly)

  #98756 commented on Jul 26, 2025 • 0 new comments

• ActivatorUtilities - matching preferred constructor depends on the constructors order

  #98959 commented on Jul 26, 2025 • 0 new comments

• MethodBase.GetParameters() is not thread-safe

  #99147 commented on Jul 26, 2025 • 0 new comments

• AttributeCollection[Type type] uses a static lock; prevents Type from being unloaded

  #99178 commented on Jul 26, 2025 • 0 new comments

• BlobBuilder.ReserveBytes needs to zero the memory

  #99244 commented on Jul 26, 2025 • 0 new comments

• System.Reflection.Emit can't call a generic method having a function pointer parameter

  #100020 commented on Jul 26, 2025 • 0 new comments

• A Bug when DispatchProxy.Create

  #100188 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Extend BlobBuilder so consumers can better control allocations

  #100418 commented on Jul 26, 2025 • 0 new comments

• Consider adding a new reflection API to get field values of an Enum

  #100592 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Opinionated restrictions for TypeName parsing

  #100920 commented on Jul 26, 2025 • 0 new comments

• Move reflection invocation in coreclr to fully managed way

  #100696 commented on Jul 26, 2025 • 0 new comments

• Generators for different roslyn versions need different strong names

  #101750 commented on Jul 26, 2025 • 0 new comments

• Strange behavior while using compile-time logging source generation without message template

  #101687 commented on Jul 26, 2025 • 0 new comments

• Unable to add trimming tests for OOB assemblies

  #102837 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add `Type` parameter overload to Microsoft.Extensions.DependencyInjection resolver delegate method

  #102970 commented on Jul 26, 2025 • 0 new comments

• [9.0] Native crash in System.Data.Odbc tests in linux x64 mono

  #112422 commented on Jul 27, 2025 • 0 new comments

• [8.0][runtime-community][linux-armv6] Failed to install runtime_python_requirements

  #114924 commented on Jul 27, 2025 • 0 new comments

• Xml.Tests OOM on Wasm

  #115152 commented on Jul 27, 2025 • 0 new comments

• System.Net.Mail.Functional.Tests timeout on debug builds

  #115382 commented on Jul 27, 2025 • 0 new comments

• [9.0] WASM: Precompiling failed for C:\...\*.dll with exit code -1073741819

  #115409 commented on Jul 27, 2025 • 0 new comments

• [Test failure] ClientAsyncAuthenticate_ConnectionInfoInCallback_DoesNotThrow on android

  #115467 commented on Jul 27, 2025 • 0 new comments

• [9.0] WasmTestOnV8-ST-System.Runtime.Tests

  #115628 commented on Jul 27, 2025 • 0 new comments

• System.Net.Http.Functional.Tests timeouts

  #115683 commented on Jul 27, 2025 • 0 new comments

• [browser] System.Runtime.InteropServices.JavaScript.Tests.TimerTests.TestTimers

  #115763 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.PerformanceCounterTests.PerformanceCounter_IncrementBy_IncrementByReadOnly failed with "Attempted to perform an unauthorized operation"

  #116014 commented on Jul 27, 2025 • 0 new comments

• Test failure: System.Reflection.Metadata.ApplyUpdateTest.TestGenericAddStaticField

  #115318 commented on Jul 27, 2025 • 0 new comments

• Test failure: Microsoft.Extensions.Hosting.Internal.HostTests.HostLifetimeOnStartedCanBeCancelled

  #110988 commented on Jul 27, 2025 • 0 new comments

• Test failure: baseservices/threading/regressions/115178/115178/115178.cmd

  #116060 commented on Jul 27, 2025 • 0 new comments

• Test failure: JIT/Regression/JitBlue/DevDiv_255294/DevDiv_255294/DevDiv_255294.cmd

  #106675 commented on Jul 27, 2025 • 0 new comments

• System.Security.Cryptography.X509Certificates.Tests: Assertion failed: pkey != NULL

  #116307 commented on Jul 27, 2025 • 0 new comments

• [wasm][release/9.0] Test SteppingIntoLibrarySymbolsLoadedFromSymbolServerAddOtherSymbolServerAndStepAgain timeouts

  #116368 commented on Jul 27, 2025 • 0 new comments

• [wasm] `HttpClientCloseTest.CloseOutputAsync_ClientInitiated_CanReceive_CanClose` failures on `Windows.Amd64.Server2022.Open`

  #116373 commented on Jul 27, 2025 • 0 new comments

• [wasm] Test Wasm.Build.Tests.WasmRunOutOfAppBundleTests.RunOutOfAppBundle fails

  #116382 commented on Jul 27, 2025 • 0 new comments

• Interop/COM/NativeClients/Dispatch test failure: 0x80131516 = dispatchCoerceTesting->Invoke

  #116393 commented on Jul 27, 2025 • 0 new comments

• iOS.Device.LibraryMode.Test: failed to determine exit code - RETURN_CODE_NOT_SET

  #116558 commented on Jul 27, 2025 • 0 new comments

• Wasm.Build.Tests timeout

  #116697 commented on Jul 27, 2025 • 0 new comments

• [9.0] Timeout - Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations

  #116719 commented on Jul 27, 2025 • 0 new comments

• [wasm] WBT `SatelliteAssembliesTests.CheckThatSatelliteAssembliesAreNotAOTed` failing

  #90458 commented on Jul 27, 2025 • 0 new comments

• [8.0] TestRevocationWithNoNextUpdate_NotRevoked - System.Security.Cryptography.X509Certificates.Tests

  #116760 commented on Jul 27, 2025 • 0 new comments

• [9.0][source-build] Could not find BROTLIDEC using the following names: brotlidec

  #112423 commented on Jul 27, 2025 • 0 new comments

• [wasm] at System.Net.Http.BrowserHttpInterop.CancellationHelper

  #112533 commented on Jul 27, 2025 • 0 new comments

• [linux-x64] [mono-aot] Test `Runtime_101731.TestConvertToInt64NativeSingle(3.4028235E+38)` returns exit code 22

  #112557 commented on Jul 27, 2025 • 0 new comments

• TimeoutException in System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandlerTest.SendAsync_Unexpected1xxResponses_DropAllInterimResponses

  #112592 commented on Jul 27, 2025 • 0 new comments

• [android] Android.Device_Emulator.JIT.Test failing on emulators with CoreCLR

  #112633 commented on Jul 27, 2025 • 0 new comments

• [Android] System.Tests.RandomTests.Next_IntInt_Next_IntInt_AllValuesAreWithinRange failing on android-arm

  #112946 commented on Jul 27, 2025 • 0 new comments

• [Android] System.Collections.Immutable tests timeout on android-arm and android-x86

  #112948 commented on Jul 27, 2025 • 0 new comments

• [Mono] Runtime test "test76531" fails in the LLVM (and mini) Full AOT configuration on linux-x64

  #113060 commented on Jul 27, 2025 • 0 new comments

• Test Failure: System.Diagnostics.Tests.ProcessTests/LongProcessNamesAreSupported

  #29383 commented on Jul 27, 2025 • 0 new comments

• [Long Running Test] 'System.Composition.UnitTests.ConcurrencyTests.SharedInstancesAreNotVisibleUntilActivationCompletes'

  #113686 commented on Jul 27, 2025 • 0 new comments

• [iOS][MacCatalyst] Invalid SocketOption in `MulticastInterface` on new macOS versions (14.7, 15.2)

  #113827 commented on Jul 27, 2025 • 0 new comments

• [browser] NoFingerprint, LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded, timeout

  #113836 commented on Jul 27, 2025 • 0 new comments

• Test failure: Microsoft.Extensions.Configuration.EnvironmentVariables.Test.EnvironmentVariablesTest.BindingDoesNotThrowIfReloadedDuringBinding

  #109904 commented on Jul 27, 2025 • 0 new comments

• CI flakiness: mono interpreter build getting killed

  #114123 commented on Jul 27, 2025 • 0 new comments

• [8.0] GC Large array test failure

  #114222 commented on Jul 27, 2025 • 0 new comments

• SIGKILL System.Runtime.Serialization.Formatters.Tests

  #114287 commented on Jul 27, 2025 • 0 new comments

• [maccatalyst][x64] SendTo_.*.Datagram_UDP_AccessDenied_Throws_DoesNotBind cannot reach host

  #114450 commented on Jul 27, 2025 • 0 new comments

• [8.0][wasm] DefaultTemplate_AOT_InProjectFile test failure - aot-instances.dll precompiling failed with exit 137

  #114653 commented on Jul 27, 2025 • 0 new comments

• [9.0-staging] Unable to open dump json file

  #114693 commented on Jul 27, 2025 • 0 new comments

• [8.0] Long running test timeout: Wasm.Build.Tests.TestAppScenarios.WasmAppBuilderDebugLevelTests.BuildWithExplicitValue

  #114698 commented on Jul 27, 2025 • 0 new comments

• Timeout in HostFactoryResolverTests.NoSpecialEntryPointPatternCanRunInParallel

  #114704 commented on Jul 27, 2025 • 0 new comments

• Test failure BasicEventSourceTests.TestsManifestGeneration.Test_EventSource_EtwManifestGenerationRollover

  #88027 commented on Jul 27, 2025 • 0 new comments

• [Apple mobile][mono] `GitHub_23791` runtime test crash in AOT-interpreter mode

  #114908 commented on Jul 27, 2025 • 0 new comments

• [iOS/tvOS] `System.Runtime.Tests` crash with signal 4

  #116815 commented on Jul 27, 2025 • 0 new comments

• [8.0] Update CI OSes

  #115502 commented on Jul 22, 2025 • 0 new comments

• Make HttpClientFactory implement IDisposable to clean up resources

  #115826 commented on Jul 24, 2025 • 0 new comments

• [browser] throw PNSE from GetFunctionPointerForDelegate

  #116107 commented on Jul 25, 2025 • 0 new comments

• Fix documentation for ReadOnlySequence.GetOffset

  #116524 commented on Jul 26, 2025 • 0 new comments

• [main] Update dependencies from dotnet/hotreload-utils, dotnet/icu, dotnet/runtime-assets

  #116682 commented on Jul 22, 2025 • 0 new comments

• Remove Assert in Method.MakeGeneric on Invalid Arg

  #116788 commented on Jul 22, 2025 • 0 new comments

• [browser][wbt] Relative npm path

  #116918 commented on Jul 21, 2025 • 0 new comments

• Use OpenSSL implementation of AES Key Wrap with Padding on Linux

  #117256 commented on Jul 25, 2025 • 0 new comments

• Fix `File.Exists` for pipe paths on Windows

  #117333 commented on Jul 21, 2025 • 0 new comments

• Add riscv64 managed unwinder for cDAC

  #117436 commented on Jul 22, 2025 • 0 new comments

• Expose the x86 WaitPkg intrinsics

  #117437 commented on Jul 23, 2025 • 0 new comments

• Fix illumos compile errors in coreclr/tools/superpmi/mcs/verbmerge.cpp

  #117464 commented on Jul 25, 2025 • 0 new comments

• Inline CORINFO_HELP_ARRADDR_ST helper call, remove WriteBarrier FCall

  #117583 commented on Jul 26, 2025 • 0 new comments

• [mono][browser] Enable failing tests in smoke tests

  #117585 commented on Jul 25, 2025 • 0 new comments

• [main] Update dependencies from dotnet/xharness

  #117593 commented on Jul 25, 2025 • 0 new comments

• WIP: Update AzureLinux 3 configuration to run more aggressively

  #117693 commented on Jul 22, 2025 • 0 new comments

• Fix the issue that the test exits with cannot find Microsoft.Win32.Primitives.dll

  #117699 commented on Jul 24, 2025 • 0 new comments

• JIT: Allow embedded broadcast regardless of intrinsic base type

  #117700 commented on Jul 22, 2025 • 0 new comments

• fix encode in checked-build.c

  #117744 commented on Jul 25, 2025 • 0 new comments

• Move CoreCLR over to the managed wait subsystem

  #117788 commented on Jul 22, 2025 • 0 new comments

• Enable alc stress

  #117825 commented on Jul 25, 2025 • 0 new comments

• Make `ExceptionHandling.RaiseAppDomainUnhandledExceptionEvent()` thread safe.

  #117844 commented on Jul 22, 2025 • 0 new comments

• [main] Source code updates from dotnet/dotnet

  #117845 commented on Jul 27, 2025 • 0 new comments

• [mono] AOT compiling UnsafeAccessorsTests.dll exited with code 134.

  #116937 commented on Jul 27, 2025 • 0 new comments

• wasm build failure in CI

  #117017 commented on Jul 27, 2025 • 0 new comments

• Cryptography.Tests: No PEM encoded data found

  #117163 commented on Jul 27, 2025 • 0 new comments

• Unable to pull image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly

  #117164 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.DiagnosticMethodInfoTests.Create_StackFrame: ArgumentNullException : Value cannot be null. (Parameter 'frame')

  #117165 commented on Jul 27, 2025 • 0 new comments

• WasmTestOnChrome-ST-System.IO.UnmanagedMemoryStream.Tests

  #117166 commented on Jul 27, 2025 • 0 new comments

• WasmTestOnChrome-ST-System.Memory.Tests errors

  #117169 commented on Jul 27, 2025 • 0 new comments

• System.Text.Json.Tests fails with GC hole assert

  #117186 commented on Jul 27, 2025 • 0 new comments

• [wasm] OpenQA.Selenium.WebDriverTimeoutException: timeout: Timed out receiving message from renderer

  #117486 commented on Jul 27, 2025 • 0 new comments

• fetchzlibng-build failed in browser-wasm windows Debug AllSubsets_CoreCLR / Build product

  #117528 commented on Jul 27, 2025 • 0 new comments

• BasicEventSourceTests.TestsManifestGeneration.Test_EventSource_EtwManifestGeneration is failing in CI

  #117520 commented on Jul 27, 2025 • 0 new comments

• WasmAppBuilderDebugLevelTests timeout failure

  #117546 commented on Jul 27, 2025 • 0 new comments

• `JIT/Methodical/tailcall/deep_gc_d` failing with assert `dwILOffsetWalk == dwILOffsetDebugInterface` with JitStress

  #117561 commented on Jul 27, 2025 • 0 new comments

• System.Xml.Tests failing

  #117614 commented on Jul 27, 2025 • 0 new comments

• System.Security.Cryptography.Rsa.Tests.RSAXml Test Suite Fails with Strings Differ/Containers Differ

  #117665 commented on Jul 27, 2025 • 0 new comments

• LibraryImportGenerator test get killed on Ubuntu

  #117666 commented on Jul 27, 2025 • 0 new comments

• X509Certificates.Tests.ChainTests.BuildChainCustomTrustStore failure on linux musl

  #117723 commented on Jul 27, 2025 • 0 new comments

• TimeZoneInfoTests.NoBackwardTimeZones tests are failing on Android

  #117731 commented on Jul 27, 2025 • 0 new comments

• [WASM] Hundreds of tests failing without log

  #117772 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.ProcessTests.TestCheckChildProcessUserAndGroupIds fails on Alpine jobs with "Operation not permitted"

  #117811 commented on Jul 27, 2025 • 0 new comments

• Make Number.FormatBigInteger JIT-firendly

  #113165 commented on Jul 26, 2025 • 0 new comments

• Use AssemblyLoadContext-aware caches in TypeDescriptor to support unloading of assemblies cached by TypeDescriptor

  #114619 commented on Jul 23, 2025 • 0 new comments

• [RISC-V] Introduce Zbs

  #115335 commented on Jul 25, 2025 • 0 new comments

• [wasm][AOT] emcc : error - received SIGKILL (-9)

  #89402 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] System.Runtime.InteropServices.JavaScript.Tests CI timeouts

  #104492 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] System.Net.Http.Functional.Tests failure ("Why are we setting the target on an unoccupied slot?")

  #104524 commented on Jul 27, 2025 • 0 new comments

• [8.0] Failure in `System.Diagnostics.Tests.PerformanceCounterTests.PerformanceCounter_Increment`: Category 'PerformanceCounter_Increment_Category' does not exist.

  #104572 commented on Jul 27, 2025 • 0 new comments

• [outerloop] `System.Numerics.Tests.ToStringTest.ToString_ValidLargeFormat` faling with `OutOfMemoryException`

  #104586 commented on Jul 27, 2025 • 0 new comments

• [outerloop] System.Runtime.Numerics.Tests crash with exit code 137 in linux debug coreclr

  #104588 commented on Jul 27, 2025 • 0 new comments

• BinderTracingTest.ResolutionFlow times out

  #104670 commented on Jul 27, 2025 • 0 new comments

• [WASI][Mono AOT] System.Collections.Specialized.Tests

  #104786 commented on Jul 27, 2025 • 0 new comments

• [6.0] Microsoft.Extensions.FileProviders.Physical.Tests failing to access a symlink used by PhysicalFilesWatcher

  #104823 commented on Jul 27, 2025 • 0 new comments

• [8.0][browser][wasm] emcc failure to compile aot-instances

  #104827 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] ReleaseJSOwnedObjectByGCHandle: Unexpected synchronous failure

  #104889 commented on Jul 27, 2025 • 0 new comments

• [6.0] Internal exception in System.Security.Cryptography.Dsa.Tests.DsaSpanSignatureFormatTests tests

  #104933 commented on Jul 27, 2025 • 0 new comments

• System.Net.Quic.Tests failed with "System.Net.Quic.QuicException : The connection timed out from inactivity."

  #105177 commented on Jul 27, 2025 • 0 new comments

• Hang in FileShareOpen_Inheritable

  #105265 commented on Jul 27, 2025 • 0 new comments

• Wasi provisioning failing

  #105290 commented on Jul 27, 2025 • 0 new comments

• [browser][wbt] fails with `InvalidOperationException: There is no currently active test`

  #105315 commented on Jul 27, 2025 • 0 new comments

• ProcessThreadTests.TestStartTimeProperty failure in CI

  #105526 commented on Jul 27, 2025 • 0 new comments

• InterpPgoTests.FirstRunGeneratesTableAndSecondRunLoadsIt failing

  #105733 commented on Jul 27, 2025 • 0 new comments

• [NativeAOT-iOS] MacCatalyst fails to start/log `nativeaot.SmokeTests` tests

  #105804 commented on Jul 27, 2025 • 0 new comments

• Test failure BasicEventSourceTests.TestsUserErrors.Test_BadEventSource_MismatchedIds_WithEtwListener

  #96968 commented on Jul 27, 2025 • 0 new comments

• [mono] FullAOT build asserts at `class1 != ARG_CLASS_NO_CLASS' for EmptyStructs.dll

  #106071 commented on Jul 27, 2025 • 0 new comments

• Analyzer 'Microsoft.NetCore.CSharp.Analyzers.Performance.CSharpConstantExpectedAnalyzer' threw an exception of type 'System.InvalidCastException`

  #106088 commented on Jul 27, 2025 • 0 new comments

• WasmTestOnChrome-MT-System.Net.Http.Functional.Tests timeout

  #106094 commented on Jul 27, 2025 • 0 new comments

• Microsoft.Extensions.Hosting.Internal.HostTests.StartCanBeCancelled test failure

  #106135 commented on Jul 27, 2025 • 0 new comments

• System.Buffers.Tests timeout on wasm MT

  #102040 commented on Jul 27, 2025 • 0 new comments

• [mono] [aot] Mono mini and LLVM fullAOT CI jobs are failing due to Failed to load AOT module X86_Sse2_r/ro.dll in aot-only mode

  #102150 commented on Jul 27, 2025 • 0 new comments

• [wasm][mt] fail: System.TypeLoadException: Could not load type of field"

  #102615 commented on Jul 27, 2025 • 0 new comments

• CI timeout in System.Data.Tests.DataTableReadXmlSchemaTest.XsdSchemaDeserializationIgnoresLocale

  #103062 commented on Jul 27, 2025 • 0 new comments

• System.Runtime.InteropServices.JavaScript.Tests.WebWorkerTest.JSDelay_ContinueWith_Sync test failed

  #103080 commented on Jul 27, 2025 • 0 new comments

• ExplicitConversion_FromSingle failing due to NaN != NaN

  #103347 commented on Jul 27, 2025 • 0 new comments

• [8.0] "InvalidOperationException: Category does not exist" failure in net48 win x86 in System.Diagnostics.Tests.PerformanceCounterTests.PerformanceCounter_IncrementBy_IncrementBy2

  #103435 commented on Jul 27, 2025 • 0 new comments

• SslStreamTlsResumeTests.ClientDisableTlsResume_Succeeds failed in CI

  #103449 commented on Jul 27, 2025 • 0 new comments

• [QUIC] [Long Running Test] 'System.Net.Quic.Tests.QuicStreamConformanceTests.ReadWrite_Success'

  #103482 commented on Jul 27, 2025 • 0 new comments

• [WASI][Mono AOT] Failed to compile System.Private.CoreLib.dll.bc

  #103520 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] test failure: Tests timed out. Killing driver service

  #103524 commented on Jul 27, 2025 • 0 new comments

• Build failure: Static graph-based restore failed with exit code .* but did not log an error.

  #103526 commented on Jul 27, 2025 • 0 new comments

• Failing test due to no detected IO events in 'System.IO.Tests.FileSystemWatcherTest.ExecuteAndVerifyEvents'

  #103584 commented on Jul 27, 2025 • 0 new comments

• System.IO.Pipelines.Tests.PipeWriterTests.CompleteWithLargeWriteThrows fails in CI

  #103586 commented on Jul 27, 2025 • 0 new comments

• [browser] Unable to evaluate script: tab crashed

  #103623 commented on Jul 27, 2025 • 0 new comments

• System.IO.Tests.Directory_Create_Tests.FileSystemWatcher_Directory_Create_InNestedDirectory fails with "Created event did not occur as expected"

  #103630 commented on Jul 27, 2025 • 0 new comments

• MonoTests.System.Runtime.Caching.MemoryCacheTestExpires5.TestCacheExpiryOrdering()

  #103711 commented on Jul 27, 2025 • 0 new comments

• Test failure: System.Security.Cryptography.X509Certificates.Tests.RevocationTests.AiaTests.DisableAiaOptionWorks

  #102236 commented on Jul 27, 2025 • 0 new comments

• Test failing: ServiceProviderILEmitContainerTests.GetAsyncService_DisposeAsyncOnSameThread_ThrowsAndDoesNotHangAndDisposeAsyncGetsCalled

  #104041 commented on Jul 27, 2025 • 0 new comments

• GC Assert failure: committed_by_oh[oh] == compute_committed_bytes_per_heap (oh, committed_bookkeeping)

  #104178 commented on Jul 27, 2025 • 0 new comments

• [wasm][mt] mono_wasm_load_runtime () failed RuntimeError: index out of bounds

  #104271 commented on Jul 27, 2025 • 0 new comments

• runtime-community: Failure to build System.Security.Cryptography.Native/opensslshim.c due to overflow in expression with type long

  #104333 commented on Jul 27, 2025 • 0 new comments

• [QUIC & HTTP/3] Handshake Timeout on tests

  #104426 commented on Jul 27, 2025 • 0 new comments

• [wasm][mt] Index was outside the bounds of the array.

  #106488 commented on Jul 27, 2025 • 0 new comments

• [debugger] Inspector exceptions in debugger tests

  #109025 commented on Jul 27, 2025 • 0 new comments

• [8.0] Assert contains failure, not found "Stopping after AOT" in Wasm.Build.Tests.NativeBuildTests.MonoAOTCross_WorksWithNoTrimming

  #109565 commented on Jul 27, 2025 • 0 new comments

• [browser][MT] JSHostImplementation.CallEntrypoint - The handle is invalid

  #109636 commented on Jul 27, 2025 • 0 new comments

• chrome-DebuggerTests failing on mono while waiting for pause

  #109795 commented on Jul 27, 2025 • 0 new comments

• [wasm] chrome-DebuggerTests crashing with DeadLetter

  #109870 commented on Jul 27, 2025 • 0 new comments

• [MT][Firefox] Wasm test failure: System.IO.FileNotFoundException : Could not load file or assembly `xunit.assert`

  #109945 commented on Jul 27, 2025 • 0 new comments

• [mono] The type initializer for `System.Drawing.DrawingCom` threw an exception: Operation is not supported on this platform

  #110150 commented on Jul 27, 2025 • 0 new comments

• Test failure: baseservices/exceptions/stackoverflow/stackoverflowtester/stackoverflowtester.cmd

  #110173 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.PerformanceCounterCategoryTests.PerformanceCounterCategory_GetCounters Failed

  #110454 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Process.Tests failure on net10.0-linux-Debug-arm64-Mono_Minijit_Debug

  #110643 commented on Jul 27, 2025 • 0 new comments

• WASM MT: memory access out of bounds in System.Private.Xml.Tests

  #110805 commented on Jul 27, 2025 • 0 new comments

• [release/8.0-staging][android] CI failures in `System.Security.Cryptography.X509Certificates.Tests.ChainTests.BuildChainForSelfSignedCertificate`

  #110857 commented on Jul 27, 2025 • 0 new comments

• [Mono/linux-arm64] int32_t CryptoNative_EvpPKeyBits(EVP_PKEY *): Assertion `pkey != NULL' failed.

  #110952 commented on Jul 27, 2025 • 0 new comments

• [8.0] CMake build failure in linux armel tizen - ld.lld: error: cannot open crtbeginS.o: No such file or directory

  #111279 commented on Jul 27, 2025 • 0 new comments

• [8.0] System.Text.Json Stack overflow in JsonConverter

  #111280 commented on Jul 27, 2025 • 0 new comments

• [9.0][wasm] MONO_WASM: unaligned memory access

  #111369 commented on Jul 27, 2025 • 0 new comments

• [9.0] Process test expecting sleep but shows .NET long running process

  #111431 commented on Jul 27, 2025 • 0 new comments

• JSImportTest.BadCast test failure

  #111449 commented on Jul 27, 2025 • 0 new comments

• [8.0][wasm] `NodeJS` engine fails with `experimental-wasm-simd` and `experimental-wasm-eh` exit code: 9 -> exit code: 71 (GENERAL_FAILURE)

  #111753 commented on Jul 27, 2025 • 0 new comments

• [linux_x64_minifullaot/llvmfullaot] class loader exception type assertion fails

  #112093 commented on Jul 27, 2025 • 0 new comments

• OSX failure on StringTests.StartsWithNoMatch_StringComparison

  #112195 commented on Jul 27, 2025 • 0 new comments

• [wasm]'WasmTestOnChrome-MT-Microsoft.VisualBasic.Core.Tests' END OF WORK ITEM LOG: Command timed out, and was killed

  #112293 commented on Jul 27, 2025 • 0 new comments

• System.Data.OleDb.Tests crash with exit code -1073740771

  #112360 commented on Jul 27, 2025 • 0 new comments

• System.Diagnostics.Tests.ProcessTests.ProcessStart_OnLinux_UsesSpecifiedProgram [FAIL]

  #106595 commented on Jul 27, 2025 • 0 new comments

• [Test Failure] NoCallback_RevokedCertificate_NoRevocationChecking_Succeeds on Alpine

  #106634 commented on Jul 27, 2025 • 0 new comments

• [browser][wasm] Failed trying to read log messages via selenium: OpenQA.Selenium.WebDriverException: An unknown exception was encountered sending an HTTP request to the remote WebDriver server for URL

  #104825 commented on Jul 27, 2025 • 0 new comments

• [9.0] Test assert failure in X509Certificates.Tests.RevocationTests.AiaTests.AiaAcceptsCertTypesAndIgnoresNonCertTypes

  #107364 commented on Jul 27, 2025 • 0 new comments

• [8.0] Test assert failure in Microsoft.Extensions.Configuration.Binder.Tests.ConfigurationBinderTests.BindCanReadStaticProperty

  #107413 commented on Jul 27, 2025 • 0 new comments

• [WASI] Wasi.Build.Tests.HttpTests.HttpBuildThenRunThenPublish

  #107530 commented on Jul 27, 2025 • 0 new comments

• System.Net.Quic tests timeout

  #107761 commented on Jul 27, 2025 • 0 new comments

• JsImportObjectArray test fails with `null` instead of `System.Exception: test`

  #107873 commented on Jul 27, 2025 • 0 new comments

• [9.0][wasm] Timeout when downloading chrome-win.zip

  #107901 commented on Jul 27, 2025 • 0 new comments

• Long running test timeout - Wasm.Build.Tests.AspNetCore.SignalRClientTests.SignalRPassMessageWasmBrowser

  #107931 commented on Jul 27, 2025 • 0 new comments

• [9.0][osx] Access to path denied, bad file descriptor IOException in System.Diagnostics.Tests.ProcessTests.Start_RedirectStandardOutput_StartAgain_DoesntThrow

  #107933 commented on Jul 27, 2025 • 0 new comments

• failure in System.Numerics.Tests.op_rightshiftTest.LargeNegativeBigIntegerShiftTest

  #107990 commented on Jul 27, 2025 • 0 new comments

• `GetAsync_ServerNeedsAuthAndNoCredential_StatusCodeUnauthorized` got cancelled

  #108019 commented on Jul 27, 2025 • 0 new comments

• failure in Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations

  #108107 commented on Jul 27, 2025 • 0 new comments

• iOS tests failing with WORKLOAD TIMED OUT - Killing user command.

  #108103 commented on Jul 27, 2025 • 0 new comments

• [9.0] Assert: values differ in WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse

  #108298 commented on Jul 27, 2025 • 0 new comments

• [9.0] Wasm build terminated with exit code 137

  #108299 commented on Jul 27, 2025 • 0 new comments

• [mono] MiniJIT System.Formats.Nrbf.Tests getting killed

  #108515 commented on Jul 27, 2025 • 0 new comments

• [WASI] Sockets - unknown handle index

  #108726 commented on Jul 27, 2025 • 0 new comments

• Timeout on deleting builds for Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly

  #108801 commented on Jul 27, 2025 • 0 new comments

• [Wasm][Test Failure] ConsolePublishAndRun(config: "Release", aot: True, relinking: False)

  #106162 commented on Jul 27, 2025 • 0 new comments

• [Apple-mobile] `System.Tests.StringTests.[Starts,Ends]WithNoMatch_StringComparison` test failure

  #108832 commented on Jul 27, 2025 • 0 new comments

• System.Net.Http.Functional.Tests.TelemetryTest failing with differing string

  #109024 commented on Jul 27, 2025 • 0 new comments

• Updating to .Net Framework / .Net Core 8 from .Net Framework .Net Core 6 seems to come with performance penalties for IO completions

  #114551 commented on Jul 22, 2025 • 0 new comments

• MemoryMappedViewStreams cannot Read(Span<byte>) to destination without intermediate buffer overhead via System.IO.Stream.Read(Span<byte>)'s ArrayPool calls

  #116727 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: FilePatternMatch.Stem should be made non-nullable.

  #116982 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: SequenceReaderExtensions.{TryPeekLittleEndian, TryPeekBigEndian} extensions

  #116414 commented on Jul 23, 2025 • 0 new comments

• Obsoleting race mitigating dispatch behavior in BCL awaiters

  #116420 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: System.Threading.Channels Regression on 6/2/2025 6:21:02 PM +00:00

  #116490 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: 1 Regression on 6/4/2025 3:33:05 AM +00:00

  #116489 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: 3 Regressions on 6/5/2025 3:43:16 AM +00:00

  #116485 commented on Jul 23, 2025 • 0 new comments

• JsonSchemaExporter.GetJsonSchemaAsNode is inconsistent with required properties + constructors + record structs

  #116172 commented on Jul 23, 2025 • 0 new comments

• Exporting to pfx causes certificate to be unusable

  #116294 commented on Jul 23, 2025 • 0 new comments

• Frequent GC Triggered by 'Internal Tuning' on Windows node compared to Linux/ARM node in .NET 8.0.16

  #115879 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Make GenericNameAsn (and related) available via X509SubjectAlternativeNameExtension

  #116348 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: System.Cryptography Regressions on 5/20/2025 6:04:06 PM +00:00

  #116020 commented on Jul 23, 2025 • 0 new comments

• Regression: NSUrlSessionHandler.ServerCertificateCustomValidationCallback behavior change

  #116067 commented on Jul 23, 2025 • 0 new comments

• HybridCache recommends adjusting the default json serialization settings. The current default value will directly cause a bug in the DTO model with a cycle in the result.

  #116059 commented on Jul 23, 2025 • 0 new comments

• `System.IO.EnumerationOptions.MatchCasing` is potentially misleading

  #115356 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: `Base64(Url).EncodeToXXX(ReadOnlySequence<byte>)`

  #115449 commented on Jul 23, 2025 • 0 new comments

• Empty parameter value in `FormatException` thrown by `Version.Parse` when input has trailing `.`

  #115612 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: ReadOnlySpan constructors for generic collections

  #115662 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: System.Random.NextUInt64

  #115681 commented on Jul 23, 2025 • 0 new comments

• Newtonsoft JSON uses less ram then System.Text.Json on same large JSON

  #115816 commented on Jul 23, 2025 • 0 new comments

• DriveInfo.DriveType returns Unknown for exfat filesystems

  #115962 commented on Jul 23, 2025 • 0 new comments

• [NativeAOT] Enable running libraries and functional tests locally and on CI

  #93447 commented on Jul 23, 2025 • 0 new comments

• iOS runtime tests should use just-run xharness command instead of run

  #95060 commented on Jul 23, 2025 • 0 new comments

• Add in-place sorting methods to OrderedDictionary

  #103579 commented on Jul 23, 2025 • 0 new comments

• Replacement for mono-symbolicate

  #106395 commented on Jul 22, 2025 • 0 new comments

• [cdac] Deploy cdac with SOS in .NET 10

  #108720 commented on Jul 22, 2025 • 0 new comments

• [cdac] .NET10: Implement DAC APIs used by CLRMA

  #108553 commented on Jul 22, 2025 • 0 new comments

• [Feature Request] Capture app command line information in ELF dumps

  #94714 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: System.ClientModel.SourceGeneration add attribute to expose context class name to dependants.

  #117379 commented on Jul 22, 2025 • 0 new comments

• Expose floating-point constants for generic Vector types using extension properties

  #117569 commented on Jul 22, 2025 • 0 new comments

• [Analyzer Proposal]: Don't use `stringBuilder.Append(new string(c, repeatCount))`

  #117643 commented on Jul 22, 2025 • 0 new comments

• GC.GetTotalMemory occasionaly returns negative values

  #106712 commented on Jul 22, 2025 • 0 new comments

• Inconsistent warning behavior for RUC/RDC on base types

  #107660 commented on Jul 22, 2025 • 0 new comments

• [Sve/Debugger]: SVE state is not preserved during debugging and hence returning wrong result

  #115452 commented on Jul 22, 2025 • 0 new comments

• Add analyzer and documentation to migrate customers from MonoPInvokeCallbackAttribute to UnmanagedCallersOnlyAttribute

  #47177 commented on Jul 22, 2025 • 0 new comments

• COM automation with dynamic keyword - creating delegates with reflection not working

  #46742 commented on Jul 22, 2025 • 0 new comments

• Self-contained everything

  #43329 commented on Jul 22, 2025 • 0 new comments

• Stack frames are sometimes missing location in source generators

  #111762 commented on Jul 22, 2025 • 0 new comments

• Test failure: MonoTests.System.Runtime.Caching.MemoryCacheTestExpires5.TestCacheExpiryOrdering

  #98625 commented on Jul 22, 2025 • 0 new comments

• System.Runtime.Caching is not AOT compatible and isn't annotated

  #102341 commented on Jul 22, 2025 • 0 new comments

• MemoryCache mishandles CacheItemPolicy.ChangeMonitors for new items

  #52033 commented on Jul 22, 2025 • 0 new comments

• [Perf] Windows/x64: 1 Regression on 7/7/2025 6:33:15 PM +00:00

  #117676 commented on Jul 22, 2025 • 0 new comments

• FileInfo.IsReadOnly unexpected attributes

  #117291 commented on Jul 22, 2025 • 0 new comments

• [Perf] Windows/x64: 1 Regression on 6/25/2025 5:33:42 PM +00:00

  #117206 commented on Jul 22, 2025 • 0 new comments

• System.Security.Cryptography.Tests outerloop tests broken

  #117243 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: CancellationToken parameters on async XmlReader methods

  #116587 commented on Jul 23, 2025 • 0 new comments

• JsonSerializerContext source generator ignores Converters

  #116684 commented on Jul 23, 2025 • 0 new comments

• FileConfigurationProvider watches all files starting an first existing path; /foo/appsettings.json will listen on all files on the file system

  #116713 commented on Jul 23, 2025 • 0 new comments

• [infra][iOS][tvOS] Update Apple mobile OS versions used for CI testing to 18.x

  #113325 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: generic overloads of `Delegate.Combine` and `Delegate.Remove`

  #114745 commented on Jul 23, 2025 • 0 new comments

• Using CR as the end of line character on Linux

  #114765 commented on Jul 23, 2025 • 0 new comments

• ConcurrentBag.WorkStealingQueue.LocalPush() crash due to OverflowException

  #114817 commented on Jul 23, 2025 • 0 new comments

• IL206/ IL2070/IL2090 Linker errors when trimming/AOTing around enums

  #114307 commented on Jul 23, 2025 • 0 new comments

• Non-zero result of Vector3.Cross with parallel vectors

  #114361 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: String.Manipulation generic overloads with ReadOnlySpan<T>

  #114365 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Add SearchValues Overloads to SequenceReader

  #114451 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Extend System.Linq.AsyncEnumerable to allow concurrent operator execution

  #114478 commented on Jul 23, 2025 • 0 new comments

• System.Text.Json should support has buildin support read json number to string property

  #114054 commented on Jul 23, 2025 • 0 new comments

• Performance discrepancy: Collection Expressions vs. LINQ Extension Methods

  #114074 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: NativeTensor<T>

  #114089 commented on Jul 23, 2025 • 0 new comments

• How to create a symmetrical JSON class for reading and writing that is intuitive with [JsonExtensionData]?

  #114106 commented on Jul 23, 2025 • 0 new comments

• File.Move (overwrite) unreliable because FileShare.Delete access of target file ignored

  #114230 commented on Jul 23, 2025 • 0 new comments

• "Undefined symbols: _main" when trying to build static library for iOS using "library mode"

  #97700 commented on Jul 23, 2025 • 0 new comments

• Compiled regex incorrectly removes the captures which captured in positive lookbehind assertions

  #117651 commented on Jul 23, 2025 • 0 new comments

• [iOS][globalization] Implement `IgnoreSymbols` compare option for string collation APIs on iOS

  #111895 commented on Jul 23, 2025 • 0 new comments

• Windows .NET process hang in GC

  #43885 commented on Jul 23, 2025 • 0 new comments

• Test failure: System.Net.Http.Functional.Tests.SocketsHttpHandlerTest_Http2.PostAsyncDuplex_CancelledBeforeResponseHeadersReceived_ResetsStream

  #37884 commented on Jul 23, 2025 • 0 new comments

• [iOS] Error The Internet connection appears to be offline.

  #102163 commented on Jul 23, 2025 • 0 new comments

• [mono][ios] Add a functional test for testing `SIGSEGV` signal chaining to default handler on iOS platforms

  #111150 commented on Jul 23, 2025 • 0 new comments

• Adopting TimeProvider in MemoryCache

  #114011 commented on Jul 23, 2025 • 0 new comments

• dotnet.js fails to initialize when running in a web worker with onmessage handler

  #114918 commented on Jul 23, 2025 • 0 new comments

• [illink][ios] Explicitly setting `PublishTrimmed=true` changes the default feature switch configuration

  #108269 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Verify HMAC/KMAC APIs

  #116028 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: 17 Regressions on 4/27/2025 5:48:11 PM +00:00

  #117280 commented on Jul 23, 2025 • 0 new comments

• [apple-mobile][infra] Internal CI is failing with Bad CPU type in executable

  #114327 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Add TensorPool<T>

  #115201 commented on Jul 23, 2025 • 0 new comments

• [infra][maccatalyst] Fix IO test compatibility issues occurring on MacCatalyst CI with macOS 14

  #114403 commented on Jul 23, 2025 • 0 new comments

• Could not load file or assembly 'System.Security.Principal.Windows, Version=4.1.1.0

  #115326 commented on Jul 23, 2025 • 0 new comments

• [Android] Implement post-build symbol stripping

  #115717 commented on Jul 23, 2025 • 0 new comments

• Export `System.Security.Cryptography` APIs for singlefilehost in CoreCLR build for Android

  #111523 commented on Jul 23, 2025 • 0 new comments

• Fix libunwind errors in CoreCLR Android build

  #111527 commented on Jul 23, 2025 • 0 new comments

• During cross build, the same obj directory is used for target and host libunwind compilation

  #111868 commented on Jul 23, 2025 • 0 new comments

• Math.Clamp ArgumentException uses SR.Argument_MinMaxValue differently than Random.Next()

  #115337 commented on Jul 23, 2025 • 0 new comments

• [NAOT][Apple] NativeAOT TrimmingBehaviors smoke tests failing on apple mobile

  #100226 commented on Jul 23, 2025 • 0 new comments

• [Perf] Windows/x64: 2 Regressions on 5/19/2025 12:29:04 PM +00:00

  #116040 commented on Jul 23, 2025 • 0 new comments

• [Android] Enable building CoreCLR for Android

  #111491 commented on Jul 23, 2025 • 0 new comments

• IOptionsMonitor<T> does not work with rooted file paths, but PhysicalFileProvider itself does

  #114833 commented on Jul 23, 2025 • 0 new comments

• MemoryMappedFile is up to ~1000x slower than Java for single-byte reads

  #114846 commented on Jul 23, 2025 • 0 new comments

• Char is casted to int without warning in string.Remove(int startIndex)

  #114941 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Get/Enumerate line spans from TextReader

  #114987 commented on Jul 23, 2025 • 0 new comments

• `Enumerable.Chunk()` could reduce memory allocation without reducing its performance

  #115079 commented on Jul 23, 2025 • 0 new comments

• [API proposal] Add optimized SortedArray [renamed to BinarySortedList] (I can't create own tools with high performance)

  #114647 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: new RefStructTuple type

  #114652 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Generic & simd `BigMul`, `MultiplyHigh`, and `MultiplyLow`

  #114663 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: 1 Regression on 4/13/2025 6:59:35 AM +00:00

  #114695 commented on Jul 23, 2025 • 0 new comments

• Allow building on FreeBSD/i386

  #114705 commented on Jul 23, 2025 • 0 new comments

• [Analyzer Proposal]: Validate composite formatting parameter count

  #114726 commented on Jul 23, 2025 • 0 new comments

• GC hangs indefinitely on LongRunning

  #115794 commented on Jul 20, 2025 • 0 new comments

• Type that inherits from generic type properties do not have the correct nullability.

  #117068 commented on Jul 21, 2025 • 0 new comments

• Make TypedReference useful

  #26186 commented on Jul 21, 2025 • 0 new comments

• [RuntimeAsync] Implement suspension-aware liveness and dead-code elimination

  #115261 commented on Jul 21, 2025 • 0 new comments

• [RuntimeAsync] Implement new byref local zeroing

  #115262 commented on Jul 21, 2025 • 0 new comments

• [RuntimeAsync] Avoid keeping continuation state alive after resumption

  #115263 commented on Jul 21, 2025 • 0 new comments

• Missed strength reduction

  #110706 commented on Jul 21, 2025 • 0 new comments

• [Perf] Linux/arm64: 1 Regression on 4/15/2025 6:58:26 PM +00:00

  #114999 commented on Jul 21, 2025 • 0 new comments

• Investigate R2R issue when inlining methods with EH

  #113742 commented on Jul 21, 2025 • 0 new comments

• [Android] `System.Net.Http.Functional.Tests.csproj` fails with SIGABRT in libcoreclr.so

  #117045 commented on Jul 21, 2025 • 0 new comments

• [API Proposal]: System.ServiceModel.Syndication equivalent for SiteMap and SiteMapIndex files

  #96973 commented on Jul 21, 2025 • 0 new comments

• Regressions in System.Threading.Tests.Perf_Timer

  #87826 commented on Jul 21, 2025 • 0 new comments

• Using File.Exists to check the pipe created will make the NamedPipeClientStream connect fail

  #69604 commented on Jul 21, 2025 • 0 new comments

• The Syndication DateTimeHelper class throws an exception on some valid RFC822 dates

  #99193 commented on Jul 21, 2025 • 0 new comments

• ILC: missing trim warning in field initializer

  #117830 commented on Jul 21, 2025 • 0 new comments

• XUnitLogChecker: llvm-symbolizer not printing the stack trace frames

  #111809 commented on Jul 21, 2025 • 0 new comments

• Failed test: OutOfProcessTest::baseservices\TieredCompilation\BasicTestWithMcj\BasicTestWithMcj.cmd Windows x86 -fsanitize address

  #116599 commented on Jul 21, 2025 • 0 new comments

• [browser] JSExport in lazy loaded assembly

  #117780 commented on Jul 21, 2025 • 0 new comments

• Switch Default CI Focus to osx-arm64 for CoreCLR PRs

  #108570 commented on Jul 21, 2025 • 0 new comments

• Re-enable LTCG optimization for vendored libraries

  #112071 commented on Jul 21, 2025 • 0 new comments

• JIT Focus Area for .NET 10

  #108988 commented on Jul 21, 2025 • 0 new comments

• CoreLib configuration picker lists too many architectures and selects the wrong default

  #104546 commented on Jul 21, 2025 • 0 new comments

• Clean up some inconsistencies in test .proj files

  #82677 commented on Jul 21, 2025 • 0 new comments

• Unhandled exception causes docker container to hang on ARM64, like #66707

  #111601 commented on Jul 21, 2025 • 0 new comments

• MissingRuntimeArtifactException on ServiceModel.Syndication.SyndicationFeed.Load

  #65218 commented on Jul 21, 2025 • 0 new comments

• [cDAC] SOS expects deterministic destruction of COM objects

  #117785 commented on Jul 20, 2025 • 0 new comments

• Implement SetUnhandledExceptionHandler on Mono

  #116325 commented on Jul 20, 2025 • 0 new comments

• [Mono]: Compiling AsyncStateMachine won't emit safepoints on specific loop pattern.

  #116275 commented on Jul 20, 2025 • 0 new comments

• Static cctor won't be called before executing DllImport in AOT-compiled code (Mono)

  #112958 commented on Jul 20, 2025 • 0 new comments

• Terrible codegen for AsSpan(stringLiteral) on Mono

  #111932 commented on Jul 20, 2025 • 0 new comments

• some quesion about aot-interp mix execute mode on ios

  #97610 commented on Jul 20, 2025 • 0 new comments

• Strange OutOfMemory exceptions on Linux ppc64le

  #110487 commented on Jul 20, 2025 • 0 new comments

• [NET8] Precompilation Error (Exit Code -1073741819) when building on Release

  #111865 commented on Jul 20, 2025 • 0 new comments

• Mono throws InvalidProgramException on calli+ExplicitThis

  #113789 commented on Jul 20, 2025 • 0 new comments

• Mono inconsistency in error case when using ExplicitThis when defining constructor

  #113839 commented on Jul 20, 2025 • 0 new comments

• Port System documentation for .NET 8.0 APIs

  #88563 commented on Jul 20, 2025 • 0 new comments

• Port System.Buffers documentation for .NET 8.0 APIs

  #88564 commented on Jul 20, 2025 • 0 new comments

• Port System.Runtime.Intrinsics documentation for .NET 8.0 APIs

  #88574 commented on Jul 20, 2025 • 0 new comments

• DirectoryInfo.CreateSubdirectory fails when DirectoryInfo path is a root directory

  #116087 commented on Jul 20, 2025 • 0 new comments

• Track enable XslCompiledTransform Date/Time XSL test

  #115455 commented on Jul 20, 2025 • 0 new comments

• Test failure: System.Diagnostics.Tests.ProcessTests.ProcessStart_OnLinux_UsesSpecifiedProgramUsingArgumentList

  #109630 commented on Jul 20, 2025 • 0 new comments

• dotnet publish inside WSL cannot handle read only files which are copied to the output path

  #115552 commented on Jul 20, 2025 • 0 new comments

• Investigate Tensor's Helpers.IsEqualWithTolerance helper

  #107934 commented on Jul 20, 2025 • 0 new comments

• [API Proposal]: Math float vectorized functions for Vector64/128/256/512 and Vector2/3/4

  #93513 commented on Jul 20, 2025 • 0 new comments

• Blazor WebAssembly AOT Compilation Fails on .NET 9

  #114898 commented on Jul 20, 2025 • 0 new comments

• Duplicate member error with JsonSerializerContext in .NET 9

  #117764 commented on Jul 21, 2025 • 0 new comments

• OpenApi - Polymorphism information missing when the base class is empty

  #117824 commented on Jul 21, 2025 • 0 new comments

• LdapConnection does not handle passwords containing UTF-8 characters on Linux

  #82601 commented on Jul 21, 2025 • 0 new comments

• The PipeWriter 'ResponseBodyPipeWriter' does not implement PipeWriter.UnflushedBytes

  #108075 commented on Jul 21, 2025 • 0 new comments

• IL2067 shown when publishing NativeAOT app with System.ServiceModel.Syndication in use

  #113990 commented on Jul 21, 2025 • 0 new comments

• MAUI+Android: Error when disposing HttpResponseMessage

  #69464 commented on Jul 22, 2025 • 0 new comments

• [browser] Support `WasmRuntimeAssetsLocation` in Wasm SDK

  #90979 commented on Jul 22, 2025 • 0 new comments

• [browser] Migrate `wasmconsole` template to WebAssembly SDK

  #102743 commented on Jul 22, 2025 • 0 new comments

• [browser] Omit copying assets to build output using StaticWebAssets SDK file path mapping

  #103810 commented on Jul 22, 2025 • 0 new comments

• Review contatenation logic in the Wasm SDK

  #103783 commented on Jul 22, 2025 • 0 new comments

• [wasm] Build doesn't rebuild when certain properties change

  #94595 commented on Jul 22, 2025 • 0 new comments

• [browser] Publish not always correctly incremental

  #98690 commented on Jul 22, 2025 • 0 new comments

• [wasm] VFS/common WasmApp properties ignored in wasmbrowser template

  #99223 commented on Jul 22, 2025 • 0 new comments

• Blazor webassembly startup speed and UI locking issue

  #65559 commented on Jul 22, 2025 • 0 new comments

• Invalid type for MakeGenericMethod is crashing the runtime

  #71339 commented on Jul 22, 2025 • 0 new comments

• [JsonSerializer] Relax restrictions on ctor param type to immutable property type matching where reasonable

  #44428 commented on Jul 22, 2025 • 0 new comments

• Http Stress Status Report

  #42211 commented on Jul 22, 2025 • 0 new comments

• RuntimeInstanceNotAllowed Error Initializing XmlSerializer on Android Release Build in .NET 9

  #109724 commented on Jul 22, 2025 • 0 new comments

• Mono crashes in mono_reflection_get_custom_attrs_data_checked when running under Instruments Leaks profiler

  #90394 commented on Jul 22, 2025 • 0 new comments

• [browser] Wrong directory outputed for publish wasmbrowser template based app

  #99292 commented on Jul 22, 2025 • 0 new comments

• Weird performance numbers for Generics with class constraint and .net9 regression

  #110831 commented on Jul 22, 2025 • 0 new comments

• JIT: Recognize more addressing modes

  #104538 commented on Jul 22, 2025 • 0 new comments

• Black Duck Detects CVE-2023-45853 from madler/zlib:v1.2.13 in dotnet 8.0.15

  #117285 commented on Jul 22, 2025 • 0 new comments

• [RuntimeAsync] Reflection/introspection support

  #115099 commented on Jul 22, 2025 • 0 new comments

• Exception System.TypeLoadException in case of recursive generic parameter

  #109451 commented on Jul 22, 2025 • 0 new comments

• Persistent Hot Reload Success Indicator

  #111538 commented on Jul 22, 2025 • 0 new comments

• System.TypeLoadException from static field

  #100950 commented on Jul 22, 2025 • 0 new comments

• [followup] App hangs on macOS / Apple Silicon when run under Rosetta

  #111628 commented on Jul 22, 2025 • 0 new comments

• GCStress=3 has gotten very slow on osx-arm64

  #114581 commented on Jul 22, 2025 • 0 new comments

• MemoryCache.GetValues method implementation incorrect

  #1422 commented on Jul 21, 2025 • 0 new comments

• System.IO.Compression: ZipArchiveEntry always stores uncompressed data in memory

  #1544 commented on Jul 21, 2025 • 0 new comments

• `Random.Next` Tier1 slower than Tier0

  #117787 commented on Jul 21, 2025 • 0 new comments

• Long git directory name causes error C1083 when building coreclr tests (cl.exe)

  #110407 commented on Jul 21, 2025 • 0 new comments

• DotnetFuzzing doesn't compile on linux succesfully

  #113285 commented on Jul 21, 2025 • 0 new comments

• [API Proposal]: Add File.Delete and Directory.Delete overloads that specify not found throw behavior

  #117853 commented on Jul 21, 2025 • 0 new comments

• MemoryMappedViewAccessor: Dispose flushes on temporary files

  #94383 commented on Jul 21, 2025 • 0 new comments

• TypeLoadException for mutually-referencing generic **struct**s that contain no data fields

  #117852 commented on Jul 21, 2025 • 0 new comments

• Validate support for async continuations in pointer maps created in crossgen

  #117278 commented on Jul 21, 2025 • 0 new comments

• [wasm coreclr] Stop using interleaved LoaderHeap on wasm

  #117501 commented on Jul 21, 2025 • 0 new comments

• Performance regression with regions-based GC when LOH has many short-lived allocations

  #115411 commented on Jul 21, 2025 • 0 new comments

• Introduce a Utf8String type

  #933 commented on Jul 21, 2025 • 0 new comments

• Choice of Certificate Store: Bizarre breaking change in .NET or ASP.NET

  #117798 commented on Jul 21, 2025 • 0 new comments

• Stalled getaddrinfo syscall can lead to massive HttpClient timeouts

  #81023 commented on Jul 21, 2025 • 0 new comments

• [NativeAOT] Extend the runtime pack approach to all supported platforms

  #87060 commented on Jul 22, 2025 • 0 new comments

• Managed DBI: Returning managed stack when stopping on native breakpoint

  #46826 commented on Jul 22, 2025 • 0 new comments

• DriveInfo for a removable drive gives an UnauthorizedAccessException even if the capability is included in the manifest.

  #46457 commented on Jul 22, 2025 • 0 new comments

• Excessive exceptions in NamedPipeClientStream on Linux when connecting to a non-existent target

  #117718 commented on Jul 22, 2025 • 0 new comments

• JsonNumberHandling.AllowReadingFromString should support read empty string to null/default

  #117404 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: Flatten() for LINQ

  #117409 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: make `System.IO.BinaryReader` be able to read numbers also as big endian

  #117525 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: BitStream, BitReader, BitWriter

  #117644 commented on Jul 22, 2025 • 0 new comments

• [API Proposal]: Add reverse iteration order support for split

  #117677 commented on Jul 22, 2025 • 0 new comments

• System.IO.FileInfo .Exists and .Length inconsistencies between Open and Create

  #117709 commented on Jul 22, 2025 • 0 new comments

• Implement pinning for container images consumed in dotnet/runtime

  #113455 commented on Jul 25, 2025 • 0 new comments

• Seek(0, SeekOrigin.End) does not work as expected on Linux block devices (always returns 0).

  #113152 commented on Jul 26, 2025 • 0 new comments

• [Bug] Creating directory on windows

  #42542 commented on Jul 26, 2025 • 0 new comments

• Directory.GetFiles() returns file paths with trailing spaces if the directory path has trailing spaces

  #113120 commented on Jul 26, 2025 • 0 new comments

• `statfs`/`statvfs` calls in native impl. for `SystemNative_GetFormatInfoForMountPoint` (via `[System.IO.DriveInfo]::GetDrives()`) hangs when run against a disconnected network mountpoint

  #113098 commented on Jul 26, 2025 • 0 new comments

• Undocumented ArgumentOutOfRangeException in XmlReader created from MemoryStream

  #113061 commented on Jul 26, 2025 • 0 new comments

• `NamedPipeServerStream` recieves empty string from client

  #112912 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add Parallel.InvokeAsync

  #112900 commented on Jul 26, 2025 • 0 new comments

• [Perf] Windows/x64: 6 Regressions on 2/20/2025 3:57:18 PM +00:00

  #112914 commented on Jul 26, 2025 • 0 new comments

• Automatic implementation of IBinaryInteger<self> for enums

  #112819 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add EditDistance (Levenshtein) to TensorPrimitives for unEqual length <T> comparision.

  #112784 commented on Jul 26, 2025 • 0 new comments

• Matrix4x4.CreatePerspectiveFieldOfView ArgumentOutOfRangeException

  #112655 commented on Jul 26, 2025 • 0 new comments

• SerialPort ReadBufferSize cant set properly in Ubuntu

  #112643 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: AlternateLookup.TryAdd overload with actualKey output + similar CollectionsMarshal overloads

  #112554 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Convert.TryToBase64Chars with Span<byte> utf8Chars

  #112498 commented on Jul 26, 2025 • 0 new comments

• Correct rounding for integer/decimal->FP conversion

  #112474 commented on Jul 26, 2025 • 0 new comments

• `Process.MainWindowHandle` should prefer non-popup windows

  #112409 commented on Jul 26, 2025 • 0 new comments

• Clarify breaking-change rules for properties

  #112368 commented on Jul 26, 2025 • 0 new comments

• The `T` in `Lazy<T>` is marked `DynamicallyAccessedMemberTypes.PublicParameterlessConstructor`

  #112128 commented on Jul 26, 2025 • 0 new comments

• Enumerating drive C in WSL fails with UnauthorizedAccessException

  #112035 commented on Jul 26, 2025 • 0 new comments

• [System.Private.Xml] Possible incorrect behavior in character counting ( maxCharsCount >= charsCount )

  #111969 commented on Jul 26, 2025 • 0 new comments

• Problem in File.Copy (and possibly elsewhere) on Linux

  #111807 commented on Jul 26, 2025 • 0 new comments

• HttpClient: Client certificate authentication with smart cards when not using Signature Algorithm: rsa_pkcs1_sha1 (0x0201)

  #111785 commented on Jul 26, 2025 • 0 new comments

• XmlElement.SetAttribute does not update element's NamespaceURI

  #111738 commented on Jul 26, 2025 • 0 new comments

• [Perf] BigInteger formatting performance regression in .NET 9

  #111708 commented on Jul 26, 2025 • 0 new comments

• Runtime projects aren't using the live portable RID graph in the build

  #114069 commented on Jul 25, 2025 • 0 new comments

• Make HostModel use live System.Reflection.Metadata

  #112134 commented on Jul 25, 2025 • 0 new comments

• Improve runtime-codeql pipeline to run more compliance tooling

  #115526 commented on Jul 25, 2025 • 0 new comments

• Incremental builds failing because of missing FireEtwGCDynamicEvent

  #100556 commented on Jul 25, 2025 • 0 new comments

• `libnethost.lib` contains references to nonexistent PDB file

  #116527 commented on Jul 25, 2025 • 0 new comments

• [Test] Issue with DecorateWithSkipOnCoreClrConfiguration

  #105964 commented on Jul 25, 2025 • 0 new comments

• Unable to Debug in VSCode

  #116864 commented on Jul 25, 2025 • 0 new comments

• Tensor.StdDev vs TensorPrimitivers.StdDev differences for Complex input

  #116133 commented on Jul 26, 2025 • 0 new comments

• System.IO.Ports.ReadByte()

  #113889 commented on Jul 26, 2025 • 0 new comments

• Unexpected behavior of the Console class in Windows Terminal

  #113895 commented on Jul 26, 2025 • 0 new comments

• FileSystemWatcher reports incorrect sequence of events on MacOS

  #113945 commented on Jul 26, 2025 • 0 new comments

• [Text.Json] Error: NoMetadataForTypeProperties, SourceGenerationContext

  #113946 commented on Jul 26, 2025 • 0 new comments

• EnvelopedCms.ContentEncryptionAlgorithm.Parameters is empty after call to Decode on Windows

  #113668 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Consider adding IMemoryOwner<T>.Slice and IMemoryOwner<T>.AsReadOnly

  #113644 commented on Jul 26, 2025 • 0 new comments

• Unhandled exception from FileConfigurationProvider when re-loading a locked file

  #113964 commented on Jul 26, 2025 • 0 new comments

• Stack Overflow Exception caused by very deep parent/child Task chains

  #113189 commented on Jul 26, 2025 • 0 new comments

• FileSystemWatcher NotifyFilter Not Respected on Linux

  #113220 commented on Jul 26, 2025 • 0 new comments

• Numerics.Vector.SinCos() bug

  #113295 commented on Jul 26, 2025 • 0 new comments

• SerialPort constantly throws IOException

  #113296 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add string.Capitalize() to System.String for Title-Casing

  #117509 commented on Jul 26, 2025 • 0 new comments

• JIT: avoid store covariance check for ref-type ldelem from same array

  #9159 commented on Jul 26, 2025 • 0 new comments

• Certificate validation fails with RevocationStatusUnknown when using HTTPS proxy

  #117681 commented on Jul 26, 2025 • 0 new comments

• Is dynamic IHttpClientFactory registration a bug or a feature?

  #36378 commented on Jul 26, 2025 • 0 new comments

• Tensors in .NET

  #98323 commented on Jul 26, 2025 • 0 new comments

• Request: Ability to control security of MemoryMappedFile on Windows

  #111591 commented on Jul 26, 2025 • 0 new comments

• System.IO.Packaging.Package should have a way to handle common errors with malformed packages

  #26084 commented on Jul 26, 2025 • 0 new comments

• Support for reflection-invoking methods that take pointers by reference

  #10842 commented on Jul 26, 2025 • 0 new comments

• System.Reflection.MetadataLoadContext performance

  #30886 commented on Jul 26, 2025 • 0 new comments

• Proposal: RuntimeHelpers.GetRawData

  #28001 commented on Jul 26, 2025 • 0 new comments

• Calling AddHostedService multiple times for same class only registers the first hosted service provided

  #38751 commented on Jul 26, 2025 • 0 new comments

• transient service is better not be captured by root serviceScope

  #36461 commented on Jul 26, 2025 • 0 new comments

• Developers using reflection invoke should be able to use ref struct

  #45152 commented on Jul 26, 2025 • 0 new comments

• GZipStream decompression not working properly.

  #55905 commented on Jul 26, 2025 • 0 new comments

• ConfigurationManager.AppSettings getter is not thread safe and multiple instances are created

  #56075 commented on Jul 26, 2025 • 0 new comments

• Let roslyn generate reference assemblies from source projects and remove reference projects

  #58163 commented on Jul 26, 2025 • 0 new comments

• LdapSessionOptions.VerifyServerCertificate is not supported in non-Windows and error message is not helpful.

  #60972 commented on Jul 26, 2025 • 0 new comments

• ActivityTraceFlags is not reflected in Activity Id when updated after activity start()

  #61857 commented on Jul 26, 2025 • 0 new comments

• System.Management.WbemDefPath doesn't work with trimming

  #61960 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Embrace spans more in `System.Reflection.Emit`.

  #63419 commented on Jul 26, 2025 • 0 new comments

• StringComparison.OrdinalIgnoreCase does not consistently match ToUpperInvariant

  #67873 commented on Jul 26, 2025 • 0 new comments

• Generation of dynamic types with multiple threads using System.Reflection.Emit components causes runtime corruption

  #64094 commented on Jul 26, 2025 • 0 new comments

• [Feature Request] Faster aggregation for the MetricsEventSource under concurrency

  #71563 commented on Jul 26, 2025 • 0 new comments

• Consider hiding stack frames when using Invoke

  #68923 commented on Jul 26, 2025 • 0 new comments

• Refactor System.Reflection.MetadataLoadContext tests to work for single file

  #72908 commented on Jul 26, 2025 • 0 new comments

• Implement AOT safe DispatchProxy.Create

  #73136 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Reflection invoke support for FunctionPointer

  #75347 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: IL Emit support for FunctionPointer

  #75348 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: byref parameter collection for invoke

  #75349 commented on Jul 26, 2025 • 0 new comments

• Change IL Emit invoke path to use function pointers and OpCodes.Calli

  #75357 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Implement `IPinnable` on more types

  #111583 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: Add possibility to create ReadOnlySequence<T> with multiple segments.

  #111570 commented on Jul 26, 2025 • 0 new comments

• StreamWriter does use TextWriter.NewLine for newlines rendering overriding get only useless

  #111531 commented on Jul 26, 2025 • 0 new comments

• `double/float/Half/NFloat.AdditiveIdentity` should arguably be `-0`, instead of `+0`

  #111482 commented on Jul 26, 2025 • 0 new comments

• Incorrect Encoding in Console Output with WinExe OutputType

  #111057 commented on Jul 26, 2025 • 0 new comments

• [Perf] Linux/x64: System.Text.Tests Regressions on 11/27/2024 1:41:48 AM

  #110413 commented on Jul 26, 2025 • 0 new comments

• [.NET 9.0 Regression] "Credentials supplied to the package were not recognized" when using certificates with wcf client

  #110067 commented on Jul 26, 2025 • 0 new comments

• [Perf][mono] System.Memory.Span regressions on 11/6/2024, affecting MonoJIT/MonoAOT

  #109914 commented on Jul 26, 2025 • 0 new comments

• Dataset - project targeting .net framework 4.8 and .net 8 - DiagnosticId error in auto generated code in dataset

  #108986 commented on Jul 26, 2025 • 0 new comments

• System.Security.Cryptography.Xml.EncryptedXml issue with .NET Fx WS-Fed replies.

  #114407 commented on Jul 26, 2025 • 0 new comments

• Yield Performance Improvement suggestion

  #112183 commented on Jul 26, 2025 • 0 new comments

• Rfc2898DeriveBytes.Pbkdf2 holding threads

  #112898 commented on Jul 26, 2025 • 0 new comments

• Add doc owners to area-owners table

  #113629 commented on Jul 26, 2025 • 0 new comments

• string.AsSpan(int, int) throws a misleading exception

  #115239 commented on Jul 26, 2025 • 0 new comments

• Bug when viewing documentation panel for `nint/nuint.MaxValue/MinValue`

  #115392 commented on Jul 26, 2025 • 0 new comments

• Arm SVE: Add merge versions of CreateBreak APIs

  #117722 commented on Jul 26, 2025 • 0 new comments

• Microsoft Security Advisory CVE-2025-30399 | .NET Remote Code Vulnerability

  #116495 commented on Jul 26, 2025 • 0 new comments

• Update BitArray.CopyTo to use the xplat intrinsics

  #116079 commented on Jul 26, 2025 • 0 new comments

• [API Proposal]: BitOperations add Log10(uint/ulong value)

  #116043 commented on Jul 26, 2025 • 0 new comments

• PrincipalContext.Validate() does not handle embedded null characters in username and password as expected

  #113967 commented on Jul 26, 2025 • 0 new comments

• PrincipalContext.ValidateCredentials is unable to validate credentials using Kerberos authentication.

  #114251 commented on Jul 26, 2025 • 0 new comments

• Add Flush to ZipArchive

  #24149 commented on Jul 26, 2025 • 0 new comments

• SR.Metadata API to serialize sequence points as well as deserialize

  #24568 commented on Jul 26, 2025 • 0 new comments

• TimeZoneInfo incredibly slow

  #25075 commented on Jul 26, 2025 • 0 new comments

• JIT: parent loops of OSR transitioned loops are not cloned

  #97178 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: `Timeout.ToMilliseconds(TimeSpan)`

  #117468 commented on Jul 23, 2025 • 0 new comments

• Test failure: System.Security.Cryptography.X509Certificates.Tests.RevocationTests.AiaTests.AiaIgnoresCertOverLimit

  #117401 commented on Jul 23, 2025 • 0 new comments

• Trim analyzer misses base constructors with trim annotations

  #106796 commented on Jul 23, 2025 • 0 new comments

• Track APX push2/pop2 OS changes for .NET unwinder changes

  #112762 commented on Jul 23, 2025 • 0 new comments

• Address APX requirements for GC and VM stubs

  #112587 commented on Jul 23, 2025 • 0 new comments

• CSE Heuristic Tuning with additional registers

  #117560 commented on Jul 23, 2025 • 0 new comments

• Tune LSRA with APX EGPR

  #114561 commented on Jul 23, 2025 • 0 new comments

• Intel architecture improvements for .NET 10

  #108869 commented on Jul 23, 2025 • 0 new comments

• Potential shutdown deadlocks in Microsoft.Extensions.Hosting on Windows

  #117753 commented on Jul 23, 2025 • 0 new comments

• Improve Arm64 Performance in .NET 10

  #109652 commented on Jul 23, 2025 • 0 new comments

• Analysis support for new `Type.GetMethod` overload

  #94989 commented on Jul 24, 2025 • 0 new comments

• SVE: Test coverage around constants in Vector<T>

  #116989 commented on Jul 24, 2025 • 0 new comments

• DATAS is slower than Workstation GC on binary tree benchmarks

  #101006 commented on Jul 24, 2025 • 0 new comments

• Change ICorProfilerInfo::SetILFunctionBody to use codeversions

  #33197 commented on Jul 24, 2025 • 0 new comments

• Unnecessary trim analysis warnings from generics

  #113249 commented on Jul 24, 2025 • 0 new comments

• [Android][CoreCLR] Android.Device_Emulator.JIT.Test crashes with SIGSYS

  #115480 commented on Jul 24, 2025 • 0 new comments

• Investigate whether we can speed up handler cleanup when app is not receiving traffic

  #42143 commented on Jul 24, 2025 • 0 new comments

• Unexpected performance difference with strange hack

  #109884 commented on Jul 24, 2025 • 0 new comments

• `System.Transactions.Tests.AsyncTransactionScopeTests.AsyncTSTest(variation: 6)` times out under JitStress

  #117370 commented on Jul 24, 2025 • 0 new comments

• UseWindowsService reports a gracefull ServiceStop to SCM even in case of exception, so it's impossible to schedule a restart

  #77381 commented on Jul 24, 2025 • 0 new comments

• Regression over .net 8.0

  #108934 commented on Jul 24, 2025 • 0 new comments

• CoreCLR runtime seems to have a subtle bug in HFA flag calculation

  #80393 commented on Jul 24, 2025 • 0 new comments

• Crossgen outerloop regression: arrres_il_r fails

  #109311 commented on Jul 24, 2025 • 0 new comments

• Crossgen outerloop regression: Unexpected inlining results

  #109315 commented on Jul 24, 2025 • 0 new comments

• XDocument.LoadAsync doesn't respect Cancellation token

  #114555 commented on Jul 23, 2025 • 0 new comments

• JIT-EE interface cleanup

  #89845 commented on Jul 23, 2025 • 0 new comments

• `CINC`/`CSEL` not emitted inside the loops instead of jumps over single instruction blocks

  #96380 commented on Jul 23, 2025 • 0 new comments

• Regressions in Benchstone.BenchI.MulMatrix

  #96194 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/x64: 5 Regressions on 1/11/2024 10:37:40 PM

  #97042 commented on Jul 23, 2025 • 0 new comments

• [wasm] Review relink triggering properties

  #105135 commented on Jul 23, 2025 • 0 new comments

• [Perf] Regressions from increasing inline budget

  #114383 commented on Jul 23, 2025 • 0 new comments

• Memory leak in .Net 8 using Entity Framework and Sqllite (.Net Android)

  #108762 commented on Jul 23, 2025 • 0 new comments

• Test failure: Loader/classloader/explicitlayout/Regressions/13362/Github13362/Github13362.cmd (Verify_FieldOffset)

  #102868 commented on Jul 23, 2025 • 0 new comments

• Crossgen outerloop regression: "Failed to convert invalid RVA to offset: <N>"

  #108255 commented on Jul 23, 2025 • 0 new comments

• Crossgen2 composite with JitOptimization causes R2R dump failures on linux

  #114504 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Add CRC-8 implementation to System.IO.Hashing

  #117078 commented on Jul 23, 2025 • 0 new comments

• Using UMONITOR, UMWAIT, TPAUSE in CLR and exposing in Intel specific hardware intrinsics

  #66873 commented on Jul 23, 2025 • 0 new comments

• Microsoft.Bcl.Memory README unclear on where it's not necessary or recommended

  #117647 commented on Jul 23, 2025 • 0 new comments

• [API Proposal]: Allow ObsoleteAttribute to target assemblies to enable marking entire assembly as obsolete

  #114259 commented on Jul 23, 2025 • 0 new comments

• My server randomly hangs, with dumpexceptions showing System.ExecutionEngineException

  #117496 commented on Jul 23, 2025 • 0 new comments

• [Perf] Linux/arm64: 1 Regression on 5/12/2025 10:23:40 AM +00:00

  #117773 commented on Jul 23, 2025 • 0 new comments

• doublemapping.cpp causes crash with SIGXFSZ if file size limits <2TB are in effect

  #117819 commented on Jul 23, 2025 • 0 new comments

• [WASI] .NET 10 Preview 6: wasi-experimental Console app generated by 'dotnet new wasiconsole' cannot run

  #117848 commented on Jul 23, 2025 • 0 new comments

• [cDAC] Support APIs used by SOS

  #117782 commented on Jul 23, 2025 • 0 new comments

• ILLink: Don't mark fields and properties when only assigned default value and other accesses are null-checked

  #109748 commented on Jul 23, 2025 • 0 new comments

• Debugging Blazor Webassembly running in a dev container

  #112860 commented on Jul 23, 2025 • 0 new comments

• CoreCLR Interpreter - ensure the whole startup path can run interpreted

  #117556 commented on Jul 23, 2025 • 0 new comments

• Blazor WASM (Old-style project) stuck on mono_wasm_runtime_ready

  #115297 commented on Jul 23, 2025 • 0 new comments

• Android app crashes with error split_config.arm64_v8a.apk!libmonosgen-2.0.so

  #109921 commented on Jul 24, 2025 • 0 new comments

• Crossgen outerloop regression: More file hash sum mismatches in crossgen comparison on windows x86

  #108254 commented on Jul 25, 2025 • 0 new comments

• [Perf] Linux/x64: 32 Regressions on 6/4/2025 5:12:34 PM +00:00

  #116486 commented on Jul 25, 2025 • 0 new comments

• TensorPrimitives improvements

  #93286 commented on Jul 25, 2025 • 0 new comments

• Vectorize TensorPrimitives operations that are currently scalar only

  #97193 commented on Jul 25, 2025 • 0 new comments

• Multiple 'System.OutOfMemoryException' errors in .NET 7

  #78959 commented on Jul 25, 2025 • 0 new comments

• [android] Add runtime logging support for CoreCLR on Android

  #112865 commented on Jul 25, 2025 • 0 new comments

• Detect an attempt to re-initialize the runtime thread object and abort immediately

  #112131 commented on Jul 25, 2025 • 0 new comments

• [API Proposal]: Expose ThreadPool.NotifyThreadBlocked()

  #111102 commented on Jul 25, 2025 • 0 new comments

• baseservices.exceptions.baseservices-exceptions test failure when built with -fsanitize address on Windows x64

  #116594 commented on Jul 25, 2025 • 0 new comments

• W^X on Mac for EF Core tests is very slow

  #117754 commented on Jul 25, 2025 • 0 new comments

• GC pause times grow exponentially when DOTNET_EnableEventLog=1

  #115108 commented on Jul 25, 2025 • 0 new comments

• Process memory exhaustion under region-based GC heap mode

  #103582 commented on Jul 25, 2025 • 0 new comments

• BinSkim not scanning CoreCLR outputs

  #104901 commented on Jul 25, 2025 • 0 new comments

• CreateObjectFlags.UniqueInstance overrides CreateObjectFlags.Unwrap but this behavior is not documented

  #92507 commented on Jul 25, 2025 • 0 new comments

• Usage of TargetArchitecture in managed coreclr test

  #83980 commented on Jul 25, 2025 • 0 new comments

• ManagedToUnmanaged stubs always pin the GetPinnableReference as `void*`, which might not be castable to TNative

  #90042 commented on Jul 25, 2025 • 0 new comments

• No variable values in debugger despite working breakpoints (arm64 + CLion + corerun + LLDB)

  #118071 commented on Jul 25, 2025 • 0 new comments

• OSX PR build artifacts are missing symbols

  #99456 commented on Jul 25, 2025 • 0 new comments

• [release/8.0] Upgrade CI from producing CentOS Stream 8 artifacts to CentOS Stream 9

  #106883 commented on Jul 25, 2025 • 0 new comments

• linux-x64 debug Libraries_AllConfigurations fails to complete the build

  #108821 commented on Jul 25, 2025 • 0 new comments

• Build Error: Build failure with Address Sanitizer when using clr+libs+packs.product

  #115324 commented on Jul 25, 2025 • 0 new comments

• Consolidate container definitions across pipelines

  #115796 commented on Jul 25, 2025 • 0 new comments

• Validate plan for updating build pipeline container images

  #115786 commented on Jul 25, 2025 • 0 new comments

• Migrate off of EOL container images

  #110204 commented on Jul 25, 2025 • 0 new comments

• Different Exit code when IHost stops from failing (async)IHostedService

  #67146 commented on Jul 24, 2025 • 0 new comments

• Add remaining APX NCI instructions to emitter

  #114563 commented on Jul 24, 2025 • 0 new comments

• Light up `Ascii.Utility` methods with `Vector512` code paths.

  #89280 commented on Jul 24, 2025 • 0 new comments

• Add CI support for testing APX

  #110672 commented on Jul 24, 2025 • 0 new comments

• Emit AOT/trim analyzer warning when reference doesn't have IsTrimmable/IsAotCompatible

  #117712 commented on Jul 24, 2025 • 0 new comments

• Unactionable trim warning on class with attribute that has RUC ctor

  #108501 commented on Jul 24, 2025 • 0 new comments

• Microsoft.Interop.SourceGeneration gets built twice (with a potential of a race)

  #111654 commented on Jul 24, 2025 • 0 new comments

• Crossgen outerloop regression: Failures in GenericContextTest / GenericContextTestDefaultImp

  #109200 commented on Jul 24, 2025 • 0 new comments

• [RISC-V] Test build doesn't make crossgen2 executable in RISC-V.

  #108973 commented on Jul 25, 2025 • 0 new comments

• Issues with the new .NET 9+ Mono Debugger

  #109067 commented on Jul 25, 2025 • 0 new comments

• MAUI .NET 8.0 built with Full AOT Compilation reports a lot of `Mono : AOT NOT FOUND`

  #101135 commented on Jul 25, 2025 • 0 new comments

• MemoryStream.CopyToAsync ignores buffer size which can cause BufferedStream to throw OverflowException

  #117789 commented on Jul 25, 2025 • 0 new comments

• [Apple mobile] Smoke tests crash in full AOT mode with `plt_entry` assertion on iOS/tvOS 18.x

  #117159 commented on Jul 25, 2025 • 0 new comments

• Cannot create a project

  #47203 commented on Jul 25, 2025 • 0 new comments

• Maui Android runtime crash - is_opaque_object

  #116541 commented on Jul 25, 2025 • 0 new comments

• Maui Android runtime crash - major_copy_or_mark_object_concurrent_no_evacuation

  #116542 commented on Jul 25, 2025 • 0 new comments

• [Android] Improve test coverage on CoreCLR Android

  #114951 commented on Jul 25, 2025 • 0 new comments

• Should `PipeWriter.FlushAsync` throw if called after `PipeWriter.Complete`?

  #86239 commented on Jul 25, 2025 • 0 new comments

• FusionHybridCache and L1 memory usage

  #114366 commented on Jul 25, 2025 • 0 new comments

• [API Proposal]: Obsolete RSACryptoServiceProvider.Decrypt,Encrypt with fOAEP

  #113616 commented on Jul 25, 2025 • 0 new comments

• Introduce mechanism to indicate arguments are to be marshalled as native varargs

  #48796 commented on Jul 25, 2025 • 0 new comments

• [Perf] Linux/x64: System.IO.Tests.BinaryWriterTests Regression on 3/8/2025 7:47:21 PM +00:00

  #113382 commented on Jul 25, 2025 • 0 new comments

• System.Xml.XPath to support XPath 2, XPath 3 and their XSLT variants

  #14819 commented on Jul 25, 2025 • 0 new comments

• Add tests for downgrading assembly resolution via resolution extensions

  #84039 commented on Jul 25, 2025 • 0 new comments