94 Pull requests merged by 45 people

• [wasm] Bump chrome for testing - linux: 138.0.7204.183, windows: 139.0.7258.66

  #118308 merged Aug 4, 2025

• [NRBF] Allow the users to decode System.Nullable<UserStruct>

  #118276 merged Aug 4, 2025

• [browser] improve HTTP abort test

  #118274 merged Aug 4, 2025

• Regenerate reference assembly for System.Runtime.Serialization.Xml

  #118311 merged Aug 4, 2025

• Avoid redundant GetRVA calls when fetching IL header

  #118318 merged Aug 4, 2025

• Fix: Assert failure: Thread::IsObjRefValid

  #118307 merged Aug 3, 2025

• Remove a few array allocations from enumeration

  #118288 merged Aug 3, 2025

• Refactor known folder GUIDs to use static properties

  #118165 merged Aug 3, 2025

• Move a couple of WASM threading files to the shared partition

  #118304 merged Aug 2, 2025

• Standardize netfx test helper for pem encoding

  #118259 merged Aug 2, 2025

• [browser][AOT] active issue for AOT stack frames

  #118287 merged Aug 2, 2025

• Add support for patterns

  #118267 merged Aug 2, 2025

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

  #118007 merged Aug 2, 2025

• Implement alertable waits for WaitHandle to support APC handling in NativeAOT

  #118256 merged Aug 2, 2025

• [EventPipe][User_events] Add MetadataID and ProviderName to metadata bytes

  #118294 merged Aug 2, 2025

• Adding GetThreadFromThinlockID cDAC API

  #118187 merged Aug 1, 2025

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

  #118045 merged Aug 1, 2025

• Revert "Remove custom allocator."

  #117949 merged Aug 1, 2025

• [wasm] Fix sharing of wbarrier card between los object and wbarrier roots

  #118271 merged Aug 1, 2025

• Use BBF_IMPORTER for new blocks in helperexpansion.cpp

  #116359 merged Aug 1, 2025

• [wasm][bench] Fix startup templates build

  #118272 merged Aug 1, 2025

• Simplify pragma suppressions in generated regex code

  #118258 merged Aug 1, 2025

• Check return types in isCompatibleMethodGDV

  #118027 merged Aug 1, 2025

• Disable AdvSimd_ro test on native AOT

  #118235 merged Aug 1, 2025

• Fix size calculation for derived explicit layout types with no fields

  #118245 merged Aug 1, 2025

• Rename NDirect -> PInvoke

  #118228 merged Aug 1, 2025

• Enable fixed DynamicGenerics test

  #118199 merged Jul 31, 2025

• Disable Test_wait_interrupted_user_apc on NAOT due to no support for alertable waits.

  #118231 merged Jul 31, 2025

• Enable ConsoleMandel test

  #116157 merged Jul 31, 2025

• Fix parallel merge with new usage of renamed method

  #118246 merged Jul 31, 2025

• Rename ManagedAssemblyLoadContext to AssemblyLoadContext

  #118227 merged Jul 31, 2025

• Rename SecretKey to PrivateKey for SLH-DSA

  #118216 merged Jul 31, 2025

• Default IsAotCompatible for ref projects

  #118222 merged Jul 31, 2025

• Deduplicate base interfaces from another assembly in COM generator

  #111931 merged Jul 31, 2025

• [Android] Prevent race condition by synchronizing buffer access

  #117950 merged Jul 31, 2025

• Tweak positive lookahead handling in CanBeMadeAtomic

  #118221 merged Jul 31, 2025

• JIT: fix issue in conditional escape analysis

  #118214 merged Jul 31, 2025

• Add a packed variant of single-value SearchValues<string>

  #118108 merged Jul 31, 2025

• arm64: Missing Sve2 Saturate functions

  #118202 merged Jul 31, 2025

• Partially revert "Combine cast => negate => compare on ARM64 #112944"

  #118208 merged Jul 31, 2025

• Refactor handle kinds into a table and mark the static base address cell handle non-null

  #118183 merged Jul 31, 2025

• Do not look at unboxing bit when looking up constructed generic methods

  #118211 merged Jul 31, 2025

• Fix -msbuild build for Clr subset

  #118206 merged Jul 31, 2025

• Adding write capabilities and SetOtherNotificationFlags cDAC API

  #118141 merged Jul 30, 2025

• Conditionally set SYSTEM PATH in host install

  #118092 merged Jul 30, 2025

• Improve boundary handling in atomic tests

  #118191 merged Jul 30, 2025

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

  #118009 merged Jul 30, 2025

• Improve SearchValues<string> Teddy throughput on Arm64

  #118110 merged Jul 30, 2025

• ML-DSA SignedCMS

  #118088 merged Jul 30, 2025

• Use IsAotCompatible for libraries

  #118149 merged Jul 30, 2025

• Add external mu support to ML-DSA

  #117966 merged Jul 30, 2025

• [browser] disable UmaReadWriteGenericStringStructArray_ThrowsArgumentException test

  #118209 merged Jul 30, 2025

• Enable alc stress

  #117825 merged Jul 30, 2025

• Add ETW nostack entries for DebugExceptionProcessing events

  #118194 merged Jul 30, 2025

• [wasm] Fix fragmentation caused by large objects allocation

  #118099 merged Jul 30, 2025

• [APX] fix a few emitter bugs.

  #117791 merged Jul 30, 2025

• Fix missed places in dataflow analysis that introduce genericness

  #118020 merged Jul 30, 2025

• Fix broken debugger/debuggee startup handshake protocol on macOS26.

  #118120 merged Jul 30, 2025

• Adjust Test_wait_interrupted_user_apc test timeout to handle deviation due to lowres timers.

  #116066 merged Jul 30, 2025

• Don't use vfork on android

  #118085 merged Jul 30, 2025

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

  #117727 merged Jul 30, 2025

• Simplify SVE unary test template

  #118129 merged Jul 29, 2025

• Enable lookarounds to influence atomicity

  #118153 merged Jul 29, 2025

• [release/10.0-preview7] Don't do an invalid mask conversion optimization for conditional select nodes

  #118167 merged Jul 29, 2025

• Import illink.targets for ref projects

  #118144 merged Jul 29, 2025

• JIT: Boost inversion for oversize loops with bounds checks

  #118078 merged Jul 29, 2025

• Remove warning for base type with RequiresUnreferencedCode

  #117944 merged Jul 29, 2025

• Update version branding to rc1

  #118002 merged Jul 29, 2025

• Don't do an invalid mask conversion optimization for conditional select nodes

  #118154 merged Jul 29, 2025

• Fix building with GVM_RESOLUTION_TRACE defined

  #118160 merged Jul 29, 2025

• JIT: Remove BBF_RUN_RARELY

  #118147 merged Jul 29, 2025

• Enable Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations

  #117985 merged Jul 29, 2025

• Update DefaultStackSize to Thread_DefaultStackSize

  #118076 merged Jul 29, 2025

• Fix stack limits condition

  #118077 merged Jul 29, 2025

• Adding GetAssemblyLoadContext cDAC API

  #117939 merged Jul 29, 2025

• Adding GetAppDomainName cDAC API

  #117837 merged Jul 29, 2025

• Transform regex X| into X?

  #118087 merged Jul 29, 2025

• Cleanup for cert accessors

  #118116 merged Jul 28, 2025

• Tweak regex source gen for single char repeater

  #118137 merged Jul 28, 2025

• [release/8.0-staging] Update dependencies from dotnet/hotreload-utils

  #118128 merged Jul 28, 2025

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

  #118114 merged Jul 28, 2025

• Fix compilation failure from regex source generator with some lazy loops

  #118132 merged Jul 28, 2025

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

  #118080 merged Jul 28, 2025

• Avoid extra boundary checks when preceeded/succeeded char set is known

  #118105 merged Jul 28, 2025

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

  #117699 merged Jul 28, 2025

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

  #118067 merged Jul 28, 2025

• [cDAC] Implement ISOSDacInterface::GetJumpThunkTarget

  #117781 merged Jul 28, 2025

• Further reduce loops around zero-width assertions

  #118111 merged Jul 28, 2025

• arm64: Refactor Helpers.cs

  #118125 merged Jul 28, 2025

• [wasi] Disable build in .NET 10

  #117936 merged Jul 28, 2025

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

  #118089 merged Jul 28, 2025

• Support Notones in alternation reductions that merge sets

  #118109 merged Jul 28, 2025

• chore: remove redundant words in comment

  #117310 merged Jul 28, 2025

• Update mentionees for the binaryformatter-migration label

  #118082 merged Jul 28, 2025

55 Pull requests opened by 33 people

• [System.DirectoryServices] Fixed possible NRE in ADStoreCtx_Query.cs

  #118122 opened Jul 28, 2025

• [System.DirectoryServices] Fixed possible NRE in SAMStoreCtx.cs

  #118123 opened Jul 28, 2025

• [cDAC] Multi data-descriptor proposal

  #118126 opened Jul 28, 2025

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

  #118151 opened Jul 29, 2025

• Introduce size-optimized IListSelect iterator

  #118156 opened Jul 29, 2025

• arm64: Split GenerateHWIntrinsicTests_Arm.cs into smaller files

  #118157 opened Jul 29, 2025

• Move FlushProcessWriteBuffers to minipal

  #118161 opened Jul 29, 2025

• Fix documentation for `LoadAndPack*` methods in `TeddyHelper`

  #118178 opened Jul 29, 2025

• Add trim/aot analyzer warnings for transitive references

  #118180 opened Jul 29, 2025

• Remove unnecessary length check in Guid parsing

  #118181 opened Jul 29, 2025

• Ensure stable order in .deps.json file

  #118185 opened Jul 29, 2025

• Add ExtensionMarkerNameAttribute

  #118188 opened Jul 29, 2025

• Use (Un)ManagedValuesSource.Length as length condition in marshalling and unmarshalling loops

  #118190 opened Jul 29, 2025

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

  #118193 opened Jul 30, 2025

• [browser] enable HttpStreamingDisabledBy_WasmEnableStreamingResponse_InProject test

  #118203 opened Jul 30, 2025

• Remove leading plus sign validation from Version JSON deserialization

  #118207 opened Jul 30, 2025

• [release/9.0-staging] Fix broken debugger/debuggee startup handshake protocol on macOS26.

  #118212 opened Jul 30, 2025

• [release/8.0-staging] Fix broken debugger/debuggee startup handshake protocol on macOS26.

  #118213 opened Jul 30, 2025

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

  #118224 opened Jul 31, 2025

• EC-DSA Composite ML-DSA for net8+

  #118232 opened Jul 31, 2025

• Fix reading Zip64 end of central directory locator

  #118239 opened Jul 31, 2025

• Remove pinned XunitAnalyzersVersion from Versions.props

  #118241 opened Jul 31, 2025

• Rename SecretKey to PrivateKey for ML-DSA

  #118248 opened Jul 31, 2025

• Add `DOTNET_HOST_PATH` property when initializing for framework-dependent apps

  #118249 opened Jul 31, 2025

• Adding IsTrackedType and GetTaggedMemory cDAC APIs

  #118250 opened Jul 31, 2025

• JIT: fix retyping of some storeinds during object stack allocation

  #118251 opened Aug 1, 2025

• Fix DataContractJsonSerializer not passing ISerializationSurrogateProvider to internal serializer

  #118257 opened Aug 1, 2025

• Fix XmlElement deserialization for empty elements

  #118264 opened Aug 1, 2025

• Fix XML serialization of xs:list elements to respect white-space separation

  #118265 opened Aug 1, 2025

• [Apple mobile] Disable iOS.Simulator.LibraryMode.Test on simulator

  #118269 opened Aug 1, 2025

• [RISC-V] Move comparison transformations from codegen to lowering

  #118270 opened Aug 1, 2025

• Remove some uses of dynamic from HardwareIntrinsic test code

  #118273 opened Aug 1, 2025

• Increase default stack guard on x86 Windows

  #118277 opened Aug 1, 2025

• [release/9.0-staging] Revert "Remove custom allocator."

  #118279 opened Aug 1, 2025

• Return false in PropagateNeverToRuntime for BBJ_THROW blocks

  #118280 opened Aug 1, 2025

• Add tests for singlefile bundles with non-ascii characters

  #118281 opened Aug 1, 2025

• Adding GetStaticBaseAddress cDAC API

  #118282 opened Aug 1, 2025

• Handle 'lib' variants in ModuleNameVariations to generate DirectPInvokes

  #118285 opened Aug 1, 2025

• [RyuJit] Mark some well-known indirs with some flags

  #118289 opened Aug 1, 2025

• Removes IEquatable constraint from ThrowIfEqual/NotEqual

  #118291 opened Aug 1, 2025

• Remove redundant write-barriers for stack-allocated arrays

  #118295 opened Aug 1, 2025

• Update host to use the optional localPath property when resolving assets

  #118297 opened Aug 1, 2025

• Add _UseNativeLibPrefix option for publishing a NativeAOT shared library on Unix

  #118299 opened Aug 2, 2025

• [RuntimeAsync] Follow up for unboxing and instantiating stubs.

  #118301 opened Aug 2, 2025

• [NativeAOT] Implement Thread.Interrupt on Windows using QueueUserAPC

  #118302 opened Aug 2, 2025

• [RyuJit] Ignore missing SPMI data when printing string literals

  #118303 opened Aug 2, 2025

• Start using parameter defined for ToString

  #118306 opened Aug 2, 2025

• Fix comments with name of CA2020 rule

  #118316 opened Aug 3, 2025

• Re-enabling Canonicalization Tests.

  #118322 opened Aug 4, 2025

• [browser][WBT] SignalR WBT are bumped to net10

  #118323 opened Aug 4, 2025

• Turn 'em on - lets see what is still a problem.

  #118324 opened Aug 4, 2025

• Pull latest Composite ML-DSA test vectors

  #118325 opened Aug 4, 2025

• Update area-owners lead for System.ClientModel

  #118326 opened Aug 4, 2025

• [release/9.0-staging] [NRBF] Allow the users to decode System.Nullable<UserStruct>

  #118328 opened Aug 4, 2025

• Disable some TimeZoneInfoTests on Android

  #118329 opened Aug 4, 2025

137 Issues closed by 46 people

• Undocumented 7.0 APIs as of RC2

  #76049 closed Aug 4, 2025

• StrConv with VbProperCase Does not Capitalise some words

  #117929 closed Aug 4, 2025

• Duplicate member error with JsonSerializerContext in .NET 9

  #117764 closed Aug 4, 2025

• Hash code algorithms are suboptimal for nullable types and tuples, and compiler warnings are wrong

  #118198 closed Aug 4, 2025

• Random has a bias as a result of an Int underflow

  #118219 closed Aug 4, 2025

• [API Proposal]: Dictionary.RemoveAll

  #118266 closed Aug 4, 2025

• Test failure: JIT/Performance/CodeQuality/Serialization/Deserialize/Deserialize.dll

  #113510 closed Aug 4, 2025

• DataContractCriticalHelper is incorrectly declared in reference assembly

  #80236 closed Aug 4, 2025

• ReadyToRun composite build does not work on Windows 7 SP1 - no crash, just 0xC0000602

  #61544 closed Aug 4, 2025

• System.ComponentModel.TypeConverter.Tests.WorkItemExecution failure

  #117961 closed Aug 3, 2025

• When .NET Standard is updated remove pragmas around XslTransform

  #24440 closed Aug 3, 2025

• [API Proposal]: Add Order property to KnownTypeAttribute

  #116412 closed Aug 3, 2025

• [Perf] Linux/x64: 2 Regressions on 7/8/2025 2:41:13 AM +00:00

  #117678 closed Aug 3, 2025

• P/Invoke of a specific DLL crashes .net 9 but works in .net 8

  #118315 closed Aug 3, 2025

• static ImmutableArray field causing TypeLoadException on structs

  #118309 closed Aug 3, 2025

• SharedArrayPool<char>.Rent sometimes erroneously returns the same array when called recursively

  #118292 closed Aug 2, 2025

• Trimming analyzer false negative for Type property

  #113922 closed Aug 2, 2025

• WaitHandle doesn't do alertable waits

  #118233 closed Aug 2, 2025

• `XmlSerializer` deserialize xml with parameterless struct constructors which implement `IXmlSerializable` will throw an exception

  #108660 closed Aug 2, 2025

• Why are programs released by Native AOT easily treated as viruses by antivirus software?

  #118300 closed Aug 2, 2025

• /p:PublishTrimmed=true activates Windows Defender with a false-positive.

  #33745 closed Aug 2, 2025

• ILogger throws FormatException due to JSON string parameter value

  #118290 closed Aug 1, 2025

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

  #115101 closed Aug 1, 2025

• [RuntimeAsync] Reflection/introspection support

  #115099 closed Aug 1, 2025

• DataContractJsonSerializer throws exception - Value cannot be null. (Parameter 'key')

  #91104 closed Aug 1, 2025

• Debugger unable to Transition

  #115890 closed Aug 1, 2025

• ICorDebugILFrame::GetIP() returns not accurate result

  #116143 closed Aug 1, 2025

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

  #116382 closed Aug 1, 2025

• [Wasm][Test Failure] ConsolePublishAndRun(config: "Release", aot: True, relinking: False)

  #106162 closed Aug 1, 2025

• Timeout on deleting builds for Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly

  #108801 closed Aug 1, 2025

• failure in Wasm.Build.Tests.WasmTemplateTests.RunWithDifferentAppBundleLocations

  #108107 closed Aug 1, 2025

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

  #116373 closed Aug 1, 2025

• [wasm] Linux library tests are failing for reasons unrelated to the tests

  #114348 closed Aug 1, 2025

• [API Proposal]: IDictionary.GetValueOrNew

  #118262 closed Aug 1, 2025

• Blazor WASM: "[MONO] * Assertion at ..., condition `<disabled>' not met" (AGAIN)

  #99030 closed Aug 1, 2025

• ILCompiler: Linux build broken if project configuration contains spaces

  #118263 closed Aug 1, 2025

• [NativeAOT] Monitor.Pulse/Wait leaks memory

  #115691 closed Aug 1, 2025

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

  #117896 closed Aug 1, 2025

• [Android] Improve test coverage on CoreCLR Android

  #114951 closed Aug 1, 2025

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

  #117867 closed Aug 1, 2025

• Regression in auto layout classes in .NET 10 preview 6

  #118196 closed Aug 1, 2025

• Investigate some potential perf improvements in Number.BigInteger.cs

  #11950 closed Aug 1, 2025

• Allow rounding to negative decimal places

  #35464 closed Aug 1, 2025

• Define build dependencies between libraries, runtime, host, installers, native libraries

  #43110 closed Aug 1, 2025

• Threaded test 100x+ slower than Framework

  #118255 closed Aug 1, 2025

• [wasm][Net9] wrong mono_account_mem value after mono_vfree

  #118226 closed Aug 1, 2025

• System.Xml.Serialization.XmlSerializer: A non-collectible assembly may not reference a collectible assembly

  #100519 closed Aug 1, 2025

• Add RFC5649 KeyWrap

  #108332 closed Jul 31, 2025

• ARM64-to-ARM32 cross build is broken due to missing OPENSSL_gmtime

  #107647 closed Jul 31, 2025

• Follow up work for CMS

  #115578 closed Jul 31, 2025

• ConsoleMandel is not being (meaningfully) run

  #90276 closed Jul 31, 2025

• 'SlhDsa' does not contain a definition for 'ImportSlhDsaSecretKey'

  #118247 closed Jul 31, 2025

• .NET 10 Work Tracking

  #109396 closed Jul 31, 2025

• Nuget assemblies bad version from 9.0.4

  #115615 closed Jul 31, 2025

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

  #117958 closed Jul 31, 2025

• [Android] `System.Net.Http.Functional.Tests.csproj` fails with SIGABRT in libcoreclr.so

  #117045 closed Jul 31, 2025

• System.Net.NetworkInformation.Ping.Send not working on docker

  #37734 closed Jul 31, 2025

• [Perf -26%] System.Net.Http.Tests.SocketsHttpHandlerPerfTest.Get

  #39116 closed Jul 31, 2025

• OutOfMemoryException at Monitor.ReliableEnterTimeout with plenty free memory available

  #49215 closed Jul 31, 2025

• System.Collections.Test: Assert failure '!CREATE_CHECK_STRING(bSmallObjectHeapPtr || bLargeObjectHeapPtr)'

  #111922 closed Jul 31, 2025

• [Fuzzlyn] Assertion failed 'unreached' in 'Program:M4 (codegenarm64.cpp Line: 3402)

  #118117 closed Jul 31, 2025

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

  #118072 closed Jul 31, 2025

• "Clr -msbuild" build is broken by clrinterpreter

  #118093 closed Jul 31, 2025

• [Perf] Windows/x64: 4 Regressions on 6/20/2025 12:23:58 AM +00:00

  #116970 closed Jul 30, 2025

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

  #116967 closed Jul 30, 2025

• JIT: Improve inlining functions with EH in .NET 10

  #108900 closed Jul 30, 2025

• Add ML-DSA support to SignedCms

  #116994 closed Jul 30, 2025

• Add External-Mu support to ML-DSA

  #116995 closed Jul 30, 2025

• CacheItemPolicy with HostFileChangeMonitor takes time to clean the cache

  #38362 closed Jul 30, 2025

• Test failure: profiler\\assembly\\ALCTest\\ALCTest.cmd

  #106241 closed Jul 30, 2025

• System.ExecutionEngineException occurred in Unknown Module (Fatal error. Internal CLR error. (0x80131506))

  #112226 closed Jul 30, 2025

• `DOTNET_ROOT` Not Added by `paths` in `global.json`

  #118148 closed Jul 30, 2025

• IL2104 reported on app being published

  #118133 closed Jul 30, 2025

• Are !UseThreadAllocationContexts branches relevant?

  #115102 closed Jul 30, 2025

• [wasm] High memory fragmentation on LOS allocations

  #118044 closed Jul 30, 2025

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

  #118061 closed Jul 30, 2025

• Missing trimming warning when calling instance methods on valuetypes

  #117998 closed Jul 30, 2025

• [Android] System.TypeInitializationException on app startup

  #108979 closed Jul 30, 2025

• Maui Android runtime crash - is_opaque_object

  #116541 closed Jul 30, 2025

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

  #116060 closed Jul 30, 2025

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

  #97209 closed Jul 30, 2025

• Query resolution issue in alpine dotnet sdk 8.0

  #118197 closed Jul 30, 2025

• SIGSEGV crash in mono_interp_exec_method on .NET 9 iOS

  #115991 closed Jul 30, 2025

• [mono] Test failed on windows: System.Drawing.Imaging.Tests.PropertyItemTests.Properties_SetValues_ReturnsExpected

  #34592 closed Jul 30, 2025

• [mono] wasm los memory waste workaround?

  #118124 closed Jul 30, 2025

• Excessive context switching in FreeBSD dotnet ThreadPool worker threads

  #108079 closed Jul 30, 2025

• Garbage Collection hang since upgrading to .Net 9

  #112203 closed Jul 30, 2025

• Signal SIGILL (Illegal instruction) code ILL_ILLOPN (Illegal operand) after migrate to .net9

  #112897 closed Jul 30, 2025

• MemberAssignment unexpected behavior assigning int to object member

  #42966 closed Jul 29, 2025

• dotnet publish AnyCPU

  #118184 closed Jul 29, 2025

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

  #117665 closed Jul 29, 2025

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

  #117999 closed Jul 29, 2025

• [Perf] Windows/x64: System.Reflection.Activator Regression on 7/23/2025 3:41:46 AM +00:00

  #118174 closed Jul 29, 2025

• Inconsistent warning behavior for RUC/RDC on base types

  #107660 closed Jul 29, 2025

• Data Corruption in System.Buffers.Text.Base64.EncodeToUtf8

  #118143 closed Jul 29, 2025

• Sporadic Roslyn crash with .NET 8.0.404

  #110245 closed Jul 29, 2025

• Consider fully replacing BBF_RUN_RARELY with the weight of 0

  #48778 closed Jul 29, 2025

• [browser][AOT] - System.IO.UnmanagedMemoryStream.Tests

  #118158 closed Jul 29, 2025

• [browser][AOT] System.Diagnostics.Tests.DiagnosticMethodInfoTests.Create_StackFrame

  #118159 closed Jul 29, 2025

• In aot mode, using `MakeGenericMethod` throws an exception.

  #118155 closed Jul 29, 2025

• Apple Sillicon Rosetta2 .NET9 deadlock

  #114206 closed Jul 29, 2025

• HttpClient uploading files with NTLM: An existing connection was forcibly closed by the remote host -- .NET Core 2.1/3.0 difference against .NET Framework

  #31133 closed Jul 29, 2025

• [tvOS] System.Linq.tests failing with "crashing signal 4"

  #116714 closed Jul 29, 2025

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

  #116815 closed Jul 29, 2025

• Support for Arbitrary-Precision Decimal (Beyond 28–29 Digits) in .NET for Financial and Blockchain Applications

  #118134 closed Jul 29, 2025

• [API Proposal]: `Delegate.UnsafeCreateFromPointer`

  #94977 closed Jul 29, 2025

• GCMemoryInfo.MemoryLoadBytes does not reflect whats inside MEMORYSTATUS

  #94565 closed Jul 29, 2025

• DATAS is slower than Workstation GC on binary tree benchmarks

  #101006 closed Jul 28, 2025

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

  #118066 closed Jul 28, 2025

• Why Claude went the DIY route instead of using System.CommandLine

  #118102 closed Jul 28, 2025

• Same output, less pain — reimplementing the LoggerMessage generator.

  #118130 closed Jul 28, 2025

• .Net9 Android Release Precompiling failed

  #111200 closed Jul 28, 2025

• Error message about missing Libs subset when running build-test should mention that it needs Release config

  #40040 closed Jul 28, 2025

• JIT: De-abstraction in .NET 10

  #108913 closed Jul 28, 2025

• [API Proposal]: Java Marshalling API

  #115506 closed Jul 28, 2025

• Host improvements in .NET 10

  #111770 closed Jul 28, 2025

• RPS Regression for DATAS for certain benchmarks such PlaintextMvc

  #104306 closed Jul 28, 2025

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

  #104178 closed Jul 28, 2025

• [Perf] Linux/x64: 38 Regressions on 4/21/2025 10:30:40 PM +00:00

  #117279 closed Jul 28, 2025

• Test failure: baseservices/exceptions/unhandled/unhandledTester/unhandledTester.cmd

  #114055 closed Jul 28, 2025

• [Perf] Linux/arm64: 3 Regressions in Microsoft.Extensions.Logging

  #108290 closed Jul 28, 2025

• [Perf] Windows/x64: 15 Regressions on 5/8/2025 4:23:22 AM +00:00

  #115908 closed Jul 28, 2025

• CoreCLR test infra: why does managed test build job build native library components?

  #91561 closed Jul 28, 2025

• [API Proposal]: Provide an `IUnknown` IID constant

  #91150 closed Jul 28, 2025

• Build Fails When Trying to Use the Local App Host Pack

  #93978 closed Jul 28, 2025

• [MSVC][x86] Failed to build with error C2488: 'naked' can only be applied to non-member function definitions

  #104460 closed Jul 28, 2025

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

  #118004 closed Jul 28, 2025

• Regressions in System.Threading.Tests.Perf_Timer

  #87826 closed Jul 28, 2025

• [mono] Deadlock on mono_loader_lock

  #117504 closed Jul 28, 2025

• Crossgen outerloop regression: More file hash sum mismatches in crossgen comparison on windows x86

  #108254 closed Jul 28, 2025

• [wasi] disable WASI on Net10 and main

  #117931 closed Jul 28, 2025

• System.Net.Http.Functional.Tests UseCallback_BadCertificate_ExpectedPolicyErrors failure

  #70121 closed Jul 28, 2025

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

  #115382 closed Jul 28, 2025

• No variable values in debugger despite working breakpoints (arm64 + CLion + corerun + LLDB)

  #118071 closed Jul 28, 2025

• System.Net.Http.Functional.Tests timeouts

  #115683 closed Jul 28, 2025

• System.Security.Cryptography.Pkcs 8.0.1 package needed to resolve System.Formats.Asn1 vulnerability

  #105028 closed Jul 28, 2025

• Dataset - project targeting .net framework 4.8 and .net 8 - DiagnosticId error in auto generated code in dataset

  #108986 closed Jul 28, 2025

59 Issues opened by 37 people

• System.Management: deprecated target .netstandard 2.0

  #118321 opened Aug 4, 2025

• [API Proposal]: Composite ML-DSA

  #118320 opened Aug 4, 2025

• [RuntimeAsync] MethodInfo.GetMethodBody fails with AF:MayHaveILHeader()

  #118319 opened Aug 4, 2025

• [Release Mode] Conditional check against byte.MaxValue unexpectedly ignored in .NET 9

  #118317 opened Aug 3, 2025

• Disconnect_NotConnected_ThrowsInvalidOperationException throws wrong exception

  #118314 opened Aug 3, 2025

• [Question] Clarification on Package Version Alignment for .NET 8

  #118313 opened Aug 3, 2025

• TakeLast Performance Improvement suggestion

  #118312 opened Aug 3, 2025

• [API Proposal]: Expose Utf8JsonReader TrySkipPartial

  #118310 opened Aug 3, 2025

• JIT: Range check not eliminated by cast to value known to be in range

  #118305 opened Aug 2, 2025

• NativeAOT targets copies native binary to publish dir twice

  #118298 opened Aug 1, 2025

• [NativeAOT] Thread.Interrupt not implemented on Windows

  #118293 opened Aug 1, 2025

• ilc doesn't recognize library names prefixed with 'lib' for DirectPInvokes

  #118284 opened Aug 1, 2025

• Workload Testing targets fail with `http_code: unbound variable` when trying to install dotnet

  #118278 opened Aug 1, 2025

• Jiterpreter is 10 times slower than js？

  #118268 opened Aug 1, 2025

• Inlined continuation of Task.WhenAll prevents scheduling of child task continuations

  #118260 opened Aug 1, 2025

• [runtime-diagnostics] CDB exited unexpectedly executing '!SOSStatus'

  #118254 opened Aug 1, 2025

• [MONO] * Assertion: should not be reached at /__w/1/s/src/mono/mono/sgen/sgen-scan-object.h

  #118253 opened Aug 1, 2025

• fail: MONO_WASM: index out of bounds

  #118252 opened Aug 1, 2025

• [Wasm] Test with with "[MONO] no object of size"

  #118244 opened Jul 31, 2025

• 32-bit error of `GC heap initialisation failed on error 0x8007000E` also exists for 64-bit.

  #118240 opened Jul 31, 2025

• ILGenerator imposes artificial limitations on otherwise valid IL

  #118238 opened Jul 31, 2025

• Linker on OSX x64 generates errors

  #118236 opened Jul 31, 2025

• AdvSimd tests don't run on native AOT

  #118234 opened Jul 31, 2025

• [Perf] Windows/arm64: 14 Regressions on 7/25/2025 12:21:49 PM +00:00

  #118242 opened Jul 31, 2025

• Frequent Crashes After Migrating App from Xamarin to .NET – Crash in libmonosgen

  #118229 opened Jul 31, 2025

• Assert failure ((heap_number == 0) && (VolatileLoadWithoutBarrier (&settings.gc_index) == 0)) || (n_heaps <= heap_number) || !gc_t_join.joined() in reliability framework test

  #118225 opened Jul 31, 2025

• wmic deprecated/missing on newer builds of windows

  #118223 opened Jul 31, 2025

• JIT: inconsitent logic around inlining pinvoke IL

  #118220 opened Jul 30, 2025

• Pretty printing of stackoverflow stacktrace does not always work

  #118218 opened Jul 30, 2025

• JIT: SPMI replay with dump failures because of getStringLiteral calls in gtDispConst

  #118217 opened Jul 30, 2025

• Add RepoOriginalSourceRevisionId as assembly metadata

  #118215 opened Jul 30, 2025

• AddHttpClient dependency configuration issue

  #118205 opened Jul 30, 2025

• Default configuration array merging is confusing and error-prone

  #118204 opened Jul 30, 2025

• Deserializing Version edge case in JSON

  #118201 opened Jul 30, 2025

• Blazor WebAssembly: Firefox complains about deprecated exception handling instruction

  #118200 opened Jul 30, 2025

• [API Proposal]:Options support configuring parsing IServiceProvider

  #118195 opened Jul 30, 2025

• TokenBucketRateLimiter: AttemptAcquire(0) succeeds while CurrentAvailablePermits is 0 due to fractional _tokenCount

  #118192 opened Jul 30, 2025

• [API Proposal]: Add a collection type with value-based equality

  #118189 opened Jul 29, 2025

• [RuntimeAsync] Treat calls to async helpers in non-async callers as invalid IL

  #118186 opened Jul 29, 2025

• Ensure internal runtime build pipeline satisifies product servicing requirements

  #118182 opened Jul 29, 2025

• [API Proposal]: ExtensionMarkerNameAttribute

  #118179 opened Jul 29, 2025

• PortableComponentOnSelfContainedAppRidAssetResolution.RidSpecificAssembly_CurrentRid test failure

  #118170 opened Jul 29, 2025

• System.IO.Tests.DirectoryInfo_Create.DriveLetter_Unix test failure - exit code 133

  #118168 opened Jul 29, 2025

• JIT/Methodical/tailcall_v4/hijacking/hijacking test hang

  #118166 opened Jul 29, 2025

• [API Proposal]: Better Source comments on generated code from LoggerMessageAttribute

  #118164 opened Jul 29, 2025

• [Android][CoreCLR] Test host has trouble finding runtimeconfig.json

  #118162 opened Jul 29, 2025

• [Perf] System.Text.Json.Tests.Perf_Get Regression on 7/22/2025 8:55:52 AM +00:00

  #118172 opened Jul 29, 2025

• [Perf] System.Text.Json.Serialization Regressions on 7/21/2025 11:54:44 PM +00:00

  #118173 opened Jul 29, 2025

• [Perf] Windows/x64: System.Buffers.Text.Tests.Base64Tests Regression on 7/25/2025 1:05:34 AM +00:00

  #118175 opened Jul 29, 2025

• [Perf] Windows/x64: 17 Regressions on 7/22/2025 8:52:00 PM +00:00

  #118176 opened Jul 29, 2025

• [Perf] Linux/x64: System.Text.RegularExpressions.Tests.Perf_Regex_Common Regressions on 7/28/2025 3:57:57 AM +00:00

  #118177 opened Jul 29, 2025

• [Perf] Linux/x64: 5 Regressions on 7/24/2025 6:28:57 PM +00:00

  #118171 opened Jul 29, 2025

• CS9230 Cannot perform a dynamic invocation on an expression with type 'DefaultInterpolatedStringHandler'

  #118152 opened Jul 29, 2025

• Ping RoundtripTime is Wrong

  #118150 opened Jul 29, 2025

• WebAssembly SDK - what is the replacement for `<WasmExtraFilesToDeploy>`?

  #118146 opened Jul 28, 2025

• WebAssembly SDK - Allow customising output path for WASM output files

  #118145 opened Jul 28, 2025

• COM source generation generates unexpected buffer marshal logic

  #118135 opened Jul 28, 2025

• Update to zlib-ng 2.2.5 when ready

  #118131 opened Jul 28, 2025

• [.NET 9] Internal CLR error. (0x80131506) on ASP.NET Core shutdown

  #118243 opened Jul 28, 2025

579 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.

• Introduce MetadataEEType node halfway between Constructed and Necessary

  #118060 commented on Aug 3, 2025 • 22 new comments

• Add NativeAOT on Android test

  #118037 commented on Aug 4, 2025 • 15 new comments

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

  #117635 commented on Aug 3, 2025 • 13 new comments

• Remove shared IL stubs for P/Invokes.

  #117901 commented on Aug 1, 2025 • 13 new comments

• Add Compliance tests for GB18030-2022

  #118075 commented on Jul 28, 2025 • 11 new comments

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

  #117997 commented on Aug 3, 2025 • 10 new comments

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

  #117398 commented on Aug 1, 2025 • 9 new comments

• Add tests for assembly resolution downgrading via extension mechanisms

  #118040 commented on Jul 28, 2025 • 6 new comments

• [cDAC] GC Contract

  #118050 commented on Aug 1, 2025 • 6 new comments

• Improve Math.BigMul performance on x64

  #117261 commented on Jul 31, 2025 • 3 new comments

• Vector int divide short byte

  #117996 commented on Jul 30, 2025 • 3 new comments

• Arm64: re-enable use of predicate variants

  #117313 commented on Jul 30, 2025 • 2 new comments

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

  #117975 commented on Aug 3, 2025 • 2 new comments

• Simplify constant `TimeSpan` retrieval

  #118097 commented on Jul 28, 2025 • 1 new comment

• Reapply "Implement type name resolution for ILLink analyzer (#106209)" (#106343)

  #116505 commented on Aug 1, 2025 • 1 new comment

• Improve Math.BigMul on x64 by adding new internal `Multiply` hardware intrinsic to X86Base

  #115966 commented on Aug 4, 2025 • 1 new comment

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

  #104426 commented on Aug 4, 2025 • 0 new comments

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

  #104492 commented on Aug 4, 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 Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #104572 commented on Aug 4, 2025 • 0 new comments

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

  #104586 commented on Aug 4, 2025 • 0 new comments

• [API Proposal]: Arm64: FEAT_SVE2: fp

  #94018 commented on Jul 28, 2025 • 0 new comments

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

  #104588 commented on Aug 4, 2025 • 0 new comments

• BinderTracingTest.ResolutionFlow times out

  #104670 commented on Aug 4, 2025 • 0 new comments

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

  #104786 commented on Aug 4, 2025 • 0 new comments

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

  #104823 commented on Aug 4, 2025 • 0 new comments

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

  #104827 commented on Aug 4, 2025 • 0 new comments

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

  #104889 commented on Aug 4, 2025 • 0 new comments

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

  #104933 commented on Aug 4, 2025 • 0 new comments

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

  #105177 commented on Aug 4, 2025 • 0 new comments

• Hang in FileShareOpen_Inheritable

  #105265 commented on Aug 4, 2025 • 0 new comments

• Wasi provisioning failing

  #105290 commented on Aug 4, 2025 • 0 new comments

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

  #102615 commented on Aug 4, 2025 • 0 new comments

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

  #103062 commented on Aug 4, 2025 • 0 new comments

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

  #103080 commented on Aug 4, 2025 • 0 new comments

• ExplicitConversion_FromSingle failing due to NaN != NaN

  #103347 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• SslStreamTlsResumeTests.ClientDisableTlsResume_Succeeds failed in CI

  #103449 commented on Aug 4, 2025 • 0 new comments

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

  #103482 commented on Aug 4, 2025 • 0 new comments

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

  #103520 commented on Aug 4, 2025 • 0 new comments

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

  #103524 commented on Aug 4, 2025 • 0 new comments

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

  #103526 commented on Aug 4, 2025 • 0 new comments

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

  #103584 commented on Aug 4, 2025 • 0 new comments

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

  #103586 commented on Aug 4, 2025 • 0 new comments

• [browser] Unable to evaluate script: tab crashed

  #103623 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #103711 commented on Aug 4, 2025 • 0 new comments

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

  #102236 commented on Aug 4, 2025 • 0 new comments

• Test failing: ServiceProviderILEmitContainerTests.GetAsyncService_DisposeAsyncOnSameThread_ThrowsAndDoesNotHangAndDisposeAsyncGetsCalled

  #104041 commented on Aug 4, 2025 • 0 new comments

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

  #104271 commented on Aug 4, 2025 • 0 new comments

• JsImportObjectArray test fails with `null` instead of `System.Exception: test`

  #107873 commented on Aug 4, 2025 • 0 new comments

• [9.0][wasm] Timeout when downloading chrome-win.zip

  #107901 commented on Aug 4, 2025 • 0 new comments

• Long running test timeout - Wasm.Build.Tests.AspNetCore.SignalRClientTests.SignalRPassMessageWasmBrowser

  #107931 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• failure in System.Numerics.Tests.op_rightshiftTest.LargeNegativeBigIntegerShiftTest

  #107990 commented on Aug 4, 2025 • 0 new comments

• `GetAsync_ServerNeedsAuthAndNoCredential_StatusCodeUnauthorized` got cancelled

  #108019 commented on Aug 4, 2025 • 0 new comments

• iOS tests failing with WORKLOAD TIMED OUT - Killing user command.

  #108103 commented on Aug 4, 2025 • 0 new comments

• [9.0] Assert: values differ in WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse

  #108298 commented on Aug 4, 2025 • 0 new comments

• [9.0] Wasm build terminated with exit code 137

  #108299 commented on Aug 4, 2025 • 0 new comments

• [mono] MiniJIT System.Formats.Nrbf.Tests getting killed

  #108515 commented on Aug 4, 2025 • 0 new comments

• [WASI] Sockets - unknown handle index

  #108726 commented on Aug 4, 2025 • 0 new comments

• [Apple-mobile] `System.Tests.StringTests.[Starts,Ends]WithNoMatch_StringComparison` test failure

  #108832 commented on Aug 4, 2025 • 0 new comments

• System.Net.Http.Functional.Tests.TelemetryTest failing with differing string

  #109024 commented on Aug 4, 2025 • 0 new comments

• [debugger] Inspector exceptions in debugger tests

  #109025 commented on Aug 4, 2025 • 0 new comments

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

  #109565 commented on Aug 4, 2025 • 0 new comments

• [browser][MT] JSHostImplementation.CallEntrypoint - The handle is invalid

  #109636 commented on Aug 4, 2025 • 0 new comments

• chrome-DebuggerTests failing on mono while waiting for pause

  #109795 commented on Aug 4, 2025 • 0 new comments

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

  #105315 commented on Aug 4, 2025 • 0 new comments

• ProcessThreadTests.TestStartTimeProperty failure in CI

  #105526 commented on Aug 4, 2025 • 0 new comments

• InterpPgoTests.FirstRunGeneratesTableAndSecondRunLoadsIt failing

  #105733 commented on Aug 4, 2025 • 0 new comments

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

  #105804 commented on Aug 4, 2025 • 0 new comments

• Test failure BasicEventSourceTests.TestsUserErrors.Test_BadEventSource_MismatchedIds_WithEtwListener

  #96968 commented on Aug 4, 2025 • 0 new comments

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

  #106071 commented on Aug 4, 2025 • 0 new comments

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

  #106088 commented on Aug 4, 2025 • 0 new comments

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

  #106094 commented on Aug 4, 2025 • 0 new comments

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

  #106135 commented on Aug 4, 2025 • 0 new comments

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

  #106488 commented on Aug 4, 2025 • 0 new comments

• System.Diagnostics.Tests.ProcessTests.ProcessStart_OnLinux_UsesSpecifiedProgram [FAIL]

  #106595 commented on Aug 4, 2025 • 0 new comments

• [Test Failure] NoCallback_RevokedCertificate_NoRevocationChecking_Succeeds on Alpine

  #106634 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• [9.0] Test assert failure in X509Certificates.Tests.RevocationTests.AiaTests.AiaAcceptsCertTypesAndIgnoresNonCertTypes

  #107364 commented on Aug 4, 2025 • 0 new comments

• [8.0] Test assert failure in Microsoft.Extensions.Configuration.Binder.Tests.ConfigurationBinderTests.BindCanReadStaticProperty

  #107413 commented on Aug 4, 2025 • 0 new comments

• [WASI] Wasi.Build.Tests.HttpTests.HttpBuildThenRunThenPublish

  #107530 commented on Aug 4, 2025 • 0 new comments

• System.Net.Quic tests timeout

  #107761 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #81383 commented on Aug 4, 2025 • 0 new comments

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

  #83422 commented on Aug 4, 2025 • 0 new comments

• [6.0] System.Random test failure: NextInt_AllValuesAreWithinSpecifiedRange

  #83421 commented on Aug 4, 2025 • 0 new comments

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

  #82837 commented on Aug 4, 2025 • 0 new comments

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

  #77469 commented on Aug 4, 2025 • 0 new comments

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

  #87783 commented on Aug 4, 2025 • 0 new comments

• Test failure WindowsAlternateDataStreamOverwrite

  #83659 commented on Aug 4, 2025 • 0 new comments

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

  #88272 commented on Aug 4, 2025 • 0 new comments

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

  #89909 commented on Aug 4, 2025 • 0 new comments

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

  #90019 commented on Aug 4, 2025 • 0 new comments

• tracing/runtimeeventsource/nativeruntimeeventsource/nativeruntimeeventsource failing in CI

  #90605 commented on Aug 4, 2025 • 0 new comments

• STATUS_UNSUCCESSFUL in RsaCryptRoundtrip_OaepSHA1

  #29683 commented on Aug 4, 2025 • 0 new comments

• Address race in PerformanceCounterLib

  #90803 commented on Aug 4, 2025 • 0 new comments

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

  #92070 commented on Aug 4, 2025 • 0 new comments

• Compiler crashes when failing to release Mutex

  #53420 commented on Aug 4, 2025 • 0 new comments

• AzDo uploading failure: "Blob is incomplete"

  #92148 commented on Aug 4, 2025 • 0 new comments

• Symbols for debug don't work when System.Diagnostics.DiagnosticSource used

  #28792 commented on Aug 4, 2025 • 0 new comments

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

  #117918 commented on Aug 4, 2025 • 0 new comments

• [Android, 9.0.3, LLVM] LLVM version of System.Net.Sockets.dll.so on Android ARM64 causes Azure.Storage.Blobs to malfunction

  #115533 commented on Aug 4, 2025 • 0 new comments

• [Android, 9.0.60] Enabling LLVM on Android crashes the app at start

  #114794 commented on Aug 4, 2025 • 0 new comments

• [monointerpreter] Array Set function doesn't validate matching element types on mono interpreter

  #107110 commented on Aug 4, 2025 • 0 new comments

• System.Runtime.Serialization.Xml.Canonicalization tests don't build or run

  #93290 commented on Aug 4, 2025 • 0 new comments

• [wasm] SignalR tests timing out

  #100445 commented on Aug 4, 2025 • 0 new comments

• [API Proposal]: System.ClientModel Add support for proxy reader / writers

  #115664 commented on Aug 4, 2025 • 0 new comments

• [API Proposal]: System.ClientModel Add context to ModelReaderWriter to support AOT and collection scenarios

  #114168 commented on Aug 4, 2025 • 0 new comments

• STJ source generator fails when two JsonSerializerContext derived types have same name in project

  #72671 commented on Aug 4, 2025 • 0 new comments

• Remove pinned xunit.analyzers version

  #97088 commented on Aug 4, 2025 • 0 new comments

• AOT publish of project that uses lazy loading fails

  #109550 commented on Aug 4, 2025 • 0 new comments

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

  #74488 commented on Aug 4, 2025 • 0 new comments

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

  #75417 commented on Aug 4, 2025 • 0 new comments

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

  #48070 commented on Aug 4, 2025 • 0 new comments

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

  #76140 commented on Aug 4, 2025 • 0 new comments

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

  #76488 commented on Aug 4, 2025 • 0 new comments

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

  #99283 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• Assertion failed in SafeFileHandle.OverlappedValueTaskSource.IOCallback

  #99517 commented on Aug 4, 2025 • 0 new comments

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

  #99729 commented on Aug 4, 2025 • 0 new comments

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

  #100088 commented on Aug 4, 2025 • 0 new comments

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

  #93321 commented on Aug 4, 2025 • 0 new comments

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

  #100558 commented on Aug 4, 2025 • 0 new comments

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

  #100800 commented on Aug 4, 2025 • 0 new comments

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

  #100831 commented on Aug 4, 2025 • 0 new comments

• [wasm] perftiger v8 - Failed to install prerequisites

  #100910 commented on Aug 4, 2025 • 0 new comments

• GetLoadLevel() postcondition failure

  #101096 commented on Aug 4, 2025 • 0 new comments

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

  #101204 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #101700 commented on Aug 4, 2025 • 0 new comments

• [wasm][AOT][net8.0] emcc : error - received SIGKILL (-9)

  #89402 commented on Aug 4, 2025 • 0 new comments

• System.Buffers.Tests timeout on wasm MT

  #102040 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• MSBuild crashing in the build

  #92290 commented on Aug 4, 2025 • 0 new comments

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

  #92420 commented on Aug 4, 2025 • 0 new comments

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

  #92518 commented on Aug 4, 2025 • 0 new comments

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

  #92804 commented on Aug 4, 2025 • 0 new comments

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

  #92910 commented on Aug 4, 2025 • 0 new comments

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

  #91987 commented on Aug 4, 2025 • 0 new comments

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

  #95160 commented on Aug 4, 2025 • 0 new comments

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

  #94498 commented on Aug 4, 2025 • 0 new comments

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

  #96191 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #96879 commented on Aug 4, 2025 • 0 new comments

• System.IO.Tests.File_GetSetTimes_SafeFileHandle.WritingShouldUpdateWriteTime_After_SetLastAccessTime failing

  #97020 commented on Aug 4, 2025 • 0 new comments

• [browser][debugger] Firefox EvaluateOnCallFrame2Tests

  #98086 commented on Aug 4, 2025 • 0 new comments

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

  #98101 commented on Aug 4, 2025 • 0 new comments

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

  #98110 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #98964 commented on Aug 4, 2025 • 0 new comments

• [wasm] chrome-DebuggerTests crashing with DeadLetter

  #109870 commented on Aug 4, 2025 • 0 new comments

• Android tests fail with INSTALL_FAILED_INSUFFICIENT_STORAGE

  #118090 commented on Aug 4, 2025 • 0 new comments

• [ios] net.dot.iOS.Simulator.LibraryMode.Test test crash during runtime initialization

  #118119 commented on Aug 4, 2025 • 0 new comments

• Test failure: JIT/SIMD/Vector3Interop_ro/Vector3Interop_ro.cmd

  #117591 commented on Aug 4, 2025 • 0 new comments

• Test failure: JIT/Regression/JitBlue/DevDiv_461649/DevDiv_461649/DevDiv_461649.cmd

  #117138 commented on Aug 4, 2025 • 0 new comments

• [wasm][aot] gsharedvt_out_sig - RegularExpressions.Symbolic.SymbolicRegexBuilder

  #117557 commented on Aug 4, 2025 • 0 new comments

• [android] System.Net.Http.Functional.Tests failure with TimeoutException

  #118118 commented on Aug 4, 2025 • 0 new comments

• Use LTO for linux as well

  #103058 commented on Jul 30, 2025 • 0 new comments

• SunOS process and thread support

  #105403 commented on Aug 1, 2025 • 0 new comments

• Arm-64: Add initial support for PAC-RET

  #110472 commented on Jul 29, 2025 • 0 new comments

• Generate calls to interface methods through resolve helper

  #112406 commented on Jul 29, 2025 • 0 new comments

• Card bundles for GC heap for arm32 implemented.

  #113688 commented on Aug 3, 2025 • 0 new comments

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

  #114619 commented on Jul 30, 2025 • 0 new comments

• Reliable clean-up of SafeHandles in Deflater/Inflater

  #114826 commented on Jul 31, 2025 • 0 new comments

• [SME] Design proposal

  #115037 commented on Jul 30, 2025 • 0 new comments

• Add APIs to `BlobBuilder` for customizing the underlying byte array et al.

  #115294 commented on Aug 1, 2025 • 0 new comments

• [RISC-V] Introduce Zbs

  #115335 commented on Jul 31, 2025 • 0 new comments

• Update OS onboarding docs

  #115501 commented on Aug 3, 2025 • 0 new comments

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

  #117186 commented on Aug 4, 2025 • 0 new comments

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

  #117486 commented on Aug 4, 2025 • 0 new comments

• BasicEventSourceTests.TestsManifestGeneration.Test_EventSource_EtwManifestGeneration is failing in CI

  #117520 commented on Aug 4, 2025 • 0 new comments

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

  #117528 commented on Aug 4, 2025 • 0 new comments

• WasmAppBuilderDebugLevelTests timeout failure

  #117546 commented on Aug 4, 2025 • 0 new comments

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

  #117561 commented on Aug 4, 2025 • 0 new comments

• System.Xml.Tests failing

  #117614 commented on Aug 4, 2025 • 0 new comments

• LibraryImportGenerator test get killed on Ubuntu

  #117666 commented on Aug 4, 2025 • 0 new comments

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

  #117723 commented on Aug 4, 2025 • 0 new comments

• TimeZoneInfoTests.NoBackwardTimeZones tests are failing on Android

  #117731 commented on Aug 4, 2025 • 0 new comments

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

  #117811 commented on Aug 4, 2025 • 0 new comments

• Assertion failed 'varTypeIsSIMD(op1)' in TensorPrimitives

  #117881 commented on Aug 4, 2025 • 0 new comments

• TimeZoneInfoTests.Platform_TimeZoneNames failing on Android

  #117903 commented on Aug 4, 2025 • 0 new comments

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

  #117963 commented on Aug 4, 2025 • 0 new comments

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

  #117964 commented on Aug 4, 2025 • 0 new comments

• browser-wasm linux Release LibraryTests queues timing out

  #117974 commented on Aug 4, 2025 • 0 new comments

• gc.cpp assert during the nativeaot.SmokeTests runs

  #118038 commented on Aug 4, 2025 • 0 new comments

• Ensure `EINTR` handling is much more consistent across the board

  #117405 commented on Jul 30, 2025 • 0 new comments

• Expose the x86 WaitPkg intrinsics

  #117437 commented on Aug 3, 2025 • 0 new comments

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

  #117464 commented on Aug 1, 2025 • 0 new comments

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

  #117585 commented on Jul 28, 2025 • 0 new comments

• [main] Update dependencies from dotnet/xharness

  #117593 commented on Aug 4, 2025 • 0 new comments

• Move CoreCLR over to the managed wait subsystem

  #117788 commented on Jul 31, 2025 • 0 new comments

• [main] Source code updates from dotnet/dotnet

  #117845 commented on Aug 4, 2025 • 0 new comments

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

  #117891 commented on Jul 29, 2025 • 0 new comments

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

  #117932 commented on Jul 31, 2025 • 0 new comments

• Using dotnet exec to run XmlSerializer - Removing DotNetCliToolReference

  #117954 commented on Jul 29, 2025 • 0 new comments

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

  #117983 commented on Jul 31, 2025 • 0 new comments

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

  #117991 commented on Aug 1, 2025 • 0 new comments

• [EventPipe] Optimize ThreadSessionState Management and Cleanup

  #118029 commented on Jul 29, 2025 • 0 new comments

• Always read from underlying stream in StreamPipeReader

  #118041 commented on Jul 29, 2025 • 0 new comments

• Investigational changes for issue #109200

  #118043 commented on Jul 31, 2025 • 0 new comments

• testing

  #118048 commented on Jul 28, 2025 • 0 new comments

• [NO MERGE - FOR NET 11] Updating the managed baselines to `x86-64-v2` and `armv8-a + lse`

  #118101 commented on Jul 30, 2025 • 0 new comments

• Cleanup exception throwing in Utf8JsonWriter

  #115702 commented on Aug 3, 2025 • 0 new comments

• Track test counts per execution.

  #115707 commented on Jul 31, 2025 • 0 new comments

• Sve: Preliminary support for agnostic VL for JIT scenarios

  #115948 commented on Jul 30, 2025 • 0 new comments

• Replace ReadFile/WriteFile usages with stdio

  #116203 commented on Jul 30, 2025 • 0 new comments

• Use `NarrowNative` for narrowing operations

  #116539 commented on Jul 29, 2025 • 0 new comments

• Optimise `Guid.DecodeByte`

  #116574 commented on Aug 1, 2025 • 0 new comments

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

  #116682 commented on Aug 4, 2025 • 0 new comments

• IG can be extended empty block if used for imm helper

  #116726 commented on Jul 30, 2025 • 0 new comments

• Apx requirements for VM and GC stubs

  #116806 commented on Aug 2, 2025 • 0 new comments

• [RISC-V] Optimize switch table

  #117048 commented on Jul 28, 2025 • 0 new comments

• [cDAC] `IXCLRDataMethodInstance::GetILOffsetsByAddress`

  #117088 commented on Jul 29, 2025 • 0 new comments

• Add methods from #27912 (Flow System.Text.Rune through more APIs)

  #117168 commented on Aug 1, 2025 • 0 new comments

• Enable aggressive inlining in MSVC

  #117182 commented on Jul 28, 2025 • 0 new comments

• Fix Infinite loop on OdbcDataReader.internalGetString with UTF-8 text

  #117192 commented on Aug 1, 2025 • 0 new comments

• [RISC-V] Use auipc for code addresses in INS_OPTS_C

  #117196 commented on Jul 28, 2025 • 0 new comments

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

  #117256 commented on Jul 28, 2025 • 0 new comments

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

  #117333 commented on Jul 29, 2025 • 0 new comments

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

  #112422 commented on Aug 4, 2025 • 0 new comments

• System.Data.OleDb.Tests crash with exit code -1073740771

  #112360 commented on Aug 4, 2025 • 0 new comments

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

  #112423 commented on Aug 4, 2025 • 0 new comments

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

  #112533 commented on Aug 4, 2025 • 0 new comments

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

  #112557 commented on Aug 4, 2025 • 0 new comments

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

  #112592 commented on Aug 4, 2025 • 0 new comments

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

  #112633 commented on Aug 4, 2025 • 0 new comments

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

  #112946 commented on Aug 4, 2025 • 0 new comments

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

  #112948 commented on Aug 4, 2025 • 0 new comments

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

  #113060 commented on Aug 4, 2025 • 0 new comments

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

  #29383 commented on Aug 4, 2025 • 0 new comments

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

  #113686 commented on Aug 4, 2025 • 0 new comments

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

  #113827 commented on Aug 4, 2025 • 0 new comments

• [browser] NoFingerprint, LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded, timeout

  #113836 commented on Aug 4, 2025 • 0 new comments

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

  #109904 commented on Aug 4, 2025 • 0 new comments

• CI flakiness: mono interpreter build getting killed

  #114123 commented on Aug 4, 2025 • 0 new comments

• [8.0] GC Large array test failure

  #114222 commented on Aug 4, 2025 • 0 new comments

• [MT][Firefox] Wasm test failure: System.IO.FileNotFoundException : Could not load file or assembly `xunit.assert`

  #109945 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• Test failure: baseservices/exceptions/stackoverflow/stackoverflowtester/stackoverflowtester.cmd

  #110173 commented on Aug 4, 2025 • 0 new comments

• System.Diagnostics.Tests.PerformanceCounterCategoryTests.PerformanceCounterCategory_GetCounters Failed

  #110454 commented on Aug 4, 2025 • 0 new comments

• System.Diagnostics.Process.Tests failure on net10.0-linux-Debug-arm64-Mono_Minijit_Debug

  #110643 commented on Aug 4, 2025 • 0 new comments

• WASM MT: memory access out of bounds in System.Private.Xml.Tests

  #110805 commented on Aug 4, 2025 • 0 new comments

• [release/8.0-staging][android] CI failures in `System.Security.Cryptography.X509Certificates.Tests.ChainTests.BuildChainForSelfSignedCertificate`

  #110857 commented on Aug 4, 2025 • 0 new comments

• [Mono/linux-arm64] int32_t CryptoNative_EvpPKeyBits(EVP_PKEY *): Assertion `pkey != NULL' failed.

  #110952 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• [8.0] System.Text.Json Stack overflow in JsonConverter

  #111280 commented on Aug 4, 2025 • 0 new comments

• [9.0][wasm] MONO_WASM: unaligned memory access

  #111369 commented on Aug 4, 2025 • 0 new comments

• [9.0] Process test expecting sleep but shows .NET long running process

  #111431 commented on Aug 4, 2025 • 0 new comments

• JSImportTest.BadCast test failure

  #111449 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

• [linux_x64_minifullaot/llvmfullaot] class loader exception type assertion fails

  #112093 commented on Aug 4, 2025 • 0 new comments

• OSX failure on StringTests.StartsWithNoMatch_StringComparison

  #112195 commented on Aug 4, 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 Aug 4, 2025 • 0 new comments

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

  #106675 commented on Aug 4, 2025 • 0 new comments

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

  #110988 commented on Aug 4, 2025 • 0 new comments

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

  #116307 commented on Aug 4, 2025 • 0 new comments

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

  #116368 commented on Aug 4, 2025 • 0 new comments

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

  #116393 commented on Aug 4, 2025 • 0 new comments

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

  #116558 commented on Aug 4, 2025 • 0 new comments

• Wasm.Build.Tests timeout

  #116697 commented on Aug 4, 2025 • 0 new comments

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

  #116719 commented on Aug 4, 2025 • 0 new comments

• [wasm] WBT `SatelliteAssembliesTests.CheckThatSatelliteAssembliesAreNotAOTed` failing

  #90458 commented on Aug 4, 2025 • 0 new comments

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

  #116760 commented on Aug 4, 2025 • 0 new comments

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

  #116937 commented on Aug 4, 2025 • 0 new comments

• wasm build failure in CI

  #117017 commented on Aug 4, 2025 • 0 new comments

• Cryptography.Tests: No PEM encoded data found

  #117163 commented on Aug 4, 2025 • 0 new comments

• Unable to pull image from mcr.microsoft.com

  #117164 commented on Aug 4, 2025 • 0 new comments

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

  #117165 commented on Aug 4, 2025 • 0 new comments

• [browser][AOT] WasmTestOnChrome-ST-System.IO.UnmanagedMemoryStream.Tests

  #117166 commented on Aug 4, 2025 • 0 new comments

• WasmTestOnChrome-ST-System.Memory.Tests errors

  #117169 commented on Aug 4, 2025 • 0 new comments

• SIGKILL System.Runtime.Serialization.Formatters.Tests

  #114287 commented on Aug 4, 2025 • 0 new comments

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

  #114450 commented on Aug 4, 2025 • 0 new comments

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

  #114653 commented on Aug 4, 2025 • 0 new comments

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

  #114693 commented on Aug 4, 2025 • 0 new comments

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

  #114698 commented on Aug 4, 2025 • 0 new comments

• Test failure BasicEventSourceTests.TestsManifestGeneration.Test_EventSource_EtwManifestGenerationRollover

  #88027 commented on Aug 4, 2025 • 0 new comments

• Timeout in HostFactoryResolverTests.NoSpecialEntryPointPatternCanRunInParallel

  #114704 commented on Aug 4, 2025 • 0 new comments

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

  #114908 commented on Aug 4, 2025 • 0 new comments

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

  #114924 commented on Aug 4, 2025 • 0 new comments

• Xml.Tests OOM on Wasm

  #115152 commented on Aug 4, 2025 • 0 new comments

• [browser][WBT] Bump SignalR WBT to net10

  #106807 commented on Aug 4, 2025 • 0 new comments

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

  #115409 commented on Aug 4, 2025 • 0 new comments

• [Test failure] ClientAsyncAuthenticate_ConnectionInfoInCallback_DoesNotThrow on android

  #115467 commented on Aug 4, 2025 • 0 new comments

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

  #115628 commented on Aug 4, 2025 • 0 new comments

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

  #115763 commented on Aug 4, 2025 • 0 new comments

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

  #116014 commented on Aug 4, 2025 • 0 new comments

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

  #115318 commented on Aug 4, 2025 • 0 new comments

• NativeAOT: Silent unwind info corruption

  #88292 commented on Jul 29, 2025 • 0 new comments

• Add support for DOTNET prefix on ICorProfiler env vars

  #117902 commented on Jul 29, 2025 • 0 new comments

• Maybe replace continue with break in a do... while (0) loop?

  #47413 commented on Jul 29, 2025 • 0 new comments

• [Linux/MACOS] Stucks on Socket.ReceiveFromAsync

  #117579 commented on Jul 29, 2025 • 0 new comments

• Unclear HttpClient error with default NGINX SSL ciphers

  #116894 commented on Jul 29, 2025 • 0 new comments

• Undocumented ArgumentOutOfRangeException in XmlReader created from MemoryStream

  #113061 commented on Jul 29, 2025 • 0 new comments

• JIT: Support for flowing contexts is missing in runtime async

  #116523 commented on Jul 29, 2025 • 0 new comments

• [API Proposal]: Indexed version of `Utf8.IsValid`

  #118113 commented on Jul 29, 2025 • 0 new comments

• System.Linq.Expressions.Tests is long-running with Checked coreclr

  #12927 commented on Jul 29, 2025 • 0 new comments

• When compiling a delegate from a System.Linq.Expressions expression tree, if the tree is too complex, compilation fails when hoisted variables are used

  #56262 commented on Jul 29, 2025 • 0 new comments

• InvalidOperationException when accessing property from dynamically generated class-type in Blazor WASM .NET 8

  #106469 commented on Jul 29, 2025 • 0 new comments

• DLR ignores unmanaged constraint when picking overload

  #72799 commented on Jul 29, 2025 • 0 new comments

• Expression.Compile(preferInterpretation: true) invokes inner lambda when a method is called on it

  #96385 commented on Jul 29, 2025 • 0 new comments

• System.Linq.Expressions: Expression.Variable in lambda called from loop not correctly re-initialised on each loop iteration

  #104715 commented on Jul 29, 2025 • 0 new comments

• XML signature still fails to verify

  #99856 commented on Jul 30, 2025 • 0 new comments

• [tvOS] System.ExecutionEngineException : Attempting to JIT compile method while running in aot-only mode.

  #59855 commented on Jul 30, 2025 • 0 new comments

• Missing FailFast message in Mono ".crash" file

  #58049 commented on Jul 30, 2025 • 0 new comments

• Where exactly is the configuration that activates the tunneling behavior for the HTTP connection pool?

  #117663 commented on Jul 30, 2025 • 0 new comments

• ILC should run after ComputeResolvedFilesToPublishList

  #108909 commented on Jul 28, 2025 • 0 new comments

• ASSERT(ThreadStore::IsTrapThreadsRequested()) in Thread::InlineTryFastReversePInvoke

  #110683 commented on Jul 28, 2025 • 0 new comments

• No warning for [LibraryImport] returning a [GeneratedComInterface] with CCW options

  #92222 commented on Jul 28, 2025 • 0 new comments

• [Perf] Regressions from increasing inline budget

  #114383 commented on Jul 29, 2025 • 0 new comments

• [Perf] Linux/x64: 1 Regression on 6/19/2025 2:38:09 AM +00:00

  #116966 commented on Jul 29, 2025 • 0 new comments

• Delegate creation with optional methods throw TargetParameterCountException when Dispatcher consumes

  #101400 commented on Jul 29, 2025 • 0 new comments

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

  #115949 commented on Jul 29, 2025 • 0 new comments

• Higher version of a framework assembly works in C# but not in C++/CLI

  #118115 commented on Jul 29, 2025 • 0 new comments

• Arm64/Sve cleanup: Use `gtNewSimdCvtMaskToVectorNode` from gtFoldExprHWIntrinsic instead of importer

  #103672 commented on Jul 29, 2025 • 0 new comments

• [android][infra] Validate .NET 10 Android functionality across different API versions

  #107868 commented on Jul 29, 2025 • 0 new comments

• Add Flush to ZipArchive

  #24149 commented on Jul 29, 2025 • 0 new comments

• System.Uri does not allow * (or other sub-delims) in hostname

  #64707 commented on Jul 29, 2025 • 0 new comments

• Http Stress Status Report

  #42211 commented on Jul 29, 2025 • 0 new comments

• Terrible codegen for AsSpan(stringLiteral) on Mono

  #111932 commented on Jul 29, 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 29, 2025 • 0 new comments

• duplicate files in Microsoft.Internal.Runtime.AspNetCore.Transport nupkg

  #118139 commented on Jul 29, 2025 • 0 new comments

• .NET 8 fails to load System.Security.Permissions when dynamically loading plugin that references Framework

  #104587 commented on Jul 29, 2025 • 0 new comments

• Suggestion `ComWrappers.TryGetComInstance()` to improve UX

  #106979 commented on Jul 29, 2025 • 0 new comments

• EnC: Mono throws when member accessibility is changed

  #108097 commented on Jul 30, 2025 • 0 new comments

• Write guidance on how to launch (non apphost) apps

  #88754 commented on Jul 30, 2025 • 0 new comments

• ZipHelper.ReadBytes throws an unreachable exception

  #111679 commented on Jul 30, 2025 • 0 new comments

• Perform R2R (again) when assemblies have no IL.

  #116465 commented on Jul 30, 2025 • 0 new comments

• ZipArchive.GetEntry case sensitive, even on case insensitive OS

  #48267 commented on Jul 30, 2025 • 0 new comments

• Unhandled exception causes docker container to hang on ARM64, like #66707

  #111601 commented on Jul 30, 2025 • 0 new comments

• Test failure GC\\Regressions\\Github\\Runtime_76219\\Runtime_76219\\Runtime_76219.cmd

  #78899 commented on Jul 30, 2025 • 0 new comments

• IValidateOptions and IConfigureOptions executing twice

  #71170 commented on Jul 30, 2025 • 0 new comments

• Add UTF8NoBom property to System.Text.Encoding class

  #2136 commented on Jul 30, 2025 • 0 new comments

• Some of NativeAOT tests are disabled after sharing test cases with ILLink

  #82447 commented on Jul 30, 2025 • 0 new comments

• XmlSerializer leaks native memory, leading to OOM.

  #95369 commented on Jul 30, 2025 • 0 new comments

• SPMI: Timeout during collection of LoaderClassloaderGenerics on win-arm64

  #116210 commented on Jul 30, 2025 • 0 new comments

• superpmi collection of PowerShell.Benchmarks.dll frequently fails with "No space left on device"

  #114935 commented on Jul 30, 2025 • 0 new comments

• superpmi collection "mcs -strip" data corruption

  #107521 commented on Jul 30, 2025 • 0 new comments

• Update the CLR ABI document for vector types

  #12555 commented on Jul 30, 2025 • 0 new comments

• [API Proposal]: ML-DSA

  #117911 commented on Jul 30, 2025 • 0 new comments

• ILVerify support for runtime async

  #118042 commented on Jul 30, 2025 • 0 new comments

• Investigate R2R issue when inlining methods with EH

  #113742 commented on Jul 30, 2025 • 0 new comments

• Tensor.StdDev vs TensorPrimitivers.StdDev differences for Complex input

  #116133 commented on Jul 30, 2025 • 0 new comments

• Maui Android runtime crash - major_copy_or_mark_object_concurrent_no_evacuation

  #116542 commented on Jul 30, 2025 • 0 new comments

• TypeDescriptor caching blocks unloading of code which uses it from unloadable load context

  #30656 commented on Jul 30, 2025 • 0 new comments

• Microsoft.Extensions.FileProviders.Physical.PhysicalFilesWatcher.RaiseChangeEvents throws uncatchable IOException on thread pool thread

  #95631 commented on Jul 30, 2025 • 0 new comments

• System.IO.Compression: ZipArchiveEntry always stores uncompressed data in memory

  #1544 commented on Jul 30, 2025 • 0 new comments

• CoreCLR Debugging and CoreCLR/Mono EventPipe Doesn't Work On OSX With Sandbox Enabled

  #94114 commented on Jul 30, 2025 • 0 new comments

• [Android] Improve native stack traces when the app crashes because of a signal on CoreCLR

  #114436 commented on Jul 30, 2025 • 0 new comments

• MONO interpreter: NIY encountered in method

  #114370 commented on Jul 30, 2025 • 0 new comments

• AuthenticateAsServer slow in android

  #86746 commented on Jul 30, 2025 • 0 new comments

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

  #118049 commented on Jul 30, 2025 • 0 new comments

• Provide ReadyToRun support for collectible assemblies

  #40704 commented on Jul 30, 2025 • 0 new comments

• [ZipArchiveFuzzer] Assertion failed `zip64eocdLocatorProper && zip64EOCDLocator != null`

  #117147 commented on Jul 30, 2025 • 0 new comments

• The archive entry was compressed using an unsupported compression method.

  #101689 commented on Jul 30, 2025 • 0 new comments

• Regressions in System.IO.Compression.Brotli

  #73391 commented on Jul 30, 2025 • 0 new comments

• CoreCLR EventPipe CPU+memory leak

  #111368 commented on Jul 30, 2025 • 0 new comments

• dotnet-dump makes process to double its used memory and fails

  #71472 commented on Jul 30, 2025 • 0 new comments

• Exception throw/catch impactfully slower when debugger attached

  #47617 commented on Jul 30, 2025 • 0 new comments

• Cross-VM Exception Unwinding

  #108211 commented on Jul 30, 2025 • 0 new comments

• [Android][TimeZoneInfo] GetSystemTimeZones returns timezones leading to duplicate DisplayNames API 21-25

  #90269 commented on Jul 28, 2025 • 0 new comments

• Regarding the issue of the UdpClient.EnableBroadcast property

  #118055 commented on Jul 28, 2025 • 0 new comments

• Debugging Blazor Webassembly running in a dev container

  #112860 commented on Jul 28, 2025 • 0 new comments

• .NET Core Profiler Crashing on 32 bit Application Environment

  #117969 commented on Jul 28, 2025 • 0 new comments

• AOT failing on a third party nuget we are trying to AOT skip

  #112192 commented on Jul 28, 2025 • 0 new comments

• Consider fully retiring FF-DSA from macOS

  #118107 commented on Jul 28, 2025 • 0 new comments

• runtime-diagnostics pipeline follow up work

  #113909 commented on Jul 28, 2025 • 0 new comments

• AOT compilation produce stacks overflow

  #115905 commented on Jul 28, 2025 • 0 new comments

• Crash in `BenchmarksGame.KNucleotide_9` test on windows.11.amd64.cet.open

  #112289 commented on Jul 28, 2025 • 0 new comments

• build.sh should support a --with-system-libs flag like the VMR

  #107031 commented on Jul 28, 2025 • 0 new comments

• Avoid hardcoded NetCoreAppToolCurrent* properties

  #109329 commented on Jul 28, 2025 • 0 new comments

• Potential shutdown deadlocks in Microsoft.Extensions.Hosting on Windows

  #117753 commented on Jul 28, 2025 • 0 new comments

• XUnitLogChecker: Enable for NativeAOT tests

  #94722 commented on Jul 28, 2025 • 0 new comments

• XUnitLogChecker: Consolidate duplicated properties in coreclr and libraries into one place

  #94802 commented on Jul 28, 2025 • 0 new comments

• XUnitLogChecker: In OSX, no dumps are being found in the /cores directory

  #94720 commented on Jul 28, 2025 • 0 new comments

• Distribute macOS symbols as dSYM, not .dwarf

  #88286 commented on Jul 28, 2025 • 0 new comments

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

  #118074 commented on Jul 28, 2025 • 0 new comments

• Crossgen outerloop regression: Failures in GenericContextTest / GenericContextTestDefaultImp

  #109200 commented on Jul 28, 2025 • 0 new comments

• C# hostpolicy.dll Fatal Error

  #117863 commented on Jul 28, 2025 • 0 new comments

• Top level exception does not stop docker container

  #112580 commented on Jul 28, 2025 • 0 new comments

• [Android][CoreCLR] Android.Device_Emulator.JIT.Test crashes with SIGSYS

  #115480 commented on Jul 28, 2025 • 0 new comments

• Mono AOT compiler crashes with: condition `p - buf < buf_size' not met

  #112850 commented on Jul 28, 2025 • 0 new comments

• Assert failure: Consistency check failed: FAILED: pThread->PreemptiveGCDisabled()

  #114638 commented on Jul 28, 2025 • 0 new comments

• [NET8] Precompilation Error (Exit Code -1073741819) when building on Release

  #111865 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash: mono_get_image_for_generic_param [class.c : 2136]

  #113202 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash : mono_generic_class_hash [metadata.c : 1928]

  #113204 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash: mono_class_try_get_generic_class [class-accessors.c : 57]

  #113203 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash: mono_class_is_open_constructed_type [class.c : 614]

  #113199 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash : monoeg_g_hash_table_lookup [ghashtable.c : 321]

  #113198 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash: sgen_client_par_object_get_size [sgen-client-mono.h : 159]

  #113196 commented on Jul 28, 2025 • 0 new comments

• [mono] android crash

  #113195 commented on Jul 28, 2025 • 0 new comments

• [Mono]: `mono_object_new_pinned` Allows Instantiation of Abstract Classes

  #114768 commented on Jul 28, 2025 • 0 new comments

• [Android 9.0.3] Enabling LLVM leads to incorrect SkiaSharp drawing behavior in some cases

  #114822 commented on Jul 28, 2025 • 0 new comments

• [Mono] InvalidCastException thrown while doing an Array.Copy() from an Array of System.UInt32 to an Array of Enums

  #116462 commented on Jul 28, 2025 • 0 new comments

• AOT compile error 134

  #116515 commented on Jul 28, 2025 • 0 new comments

• Assertion: `mono/mini/aot-runtime.c:2459`, condition 'is_ok (error)' not met (AOT)

  #106986 commented on Jul 28, 2025 • 0 new comments

• JIT Focus Area for .NET 10

  #108988 commented on Jul 28, 2025 • 0 new comments

• Number of packets is significantly increased for inbound and outbound calls from .NET 8 to .NET 9

  #110822 commented on Jul 28, 2025 • 0 new comments

• Remove -internal archives

  #44476 commented on Jul 28, 2025 • 0 new comments

• Excessive CPU and memory usage (70+ GB) when running analyzers

  #118121 commented on Jul 28, 2025 • 0 new comments

• [API Proposal]: LinkedList-DequeList Alternative

  #118051 commented on Jul 28, 2025 • 0 new comments

• Add tests for downgrading assembly resolution via resolution extensions

  #84039 commented on Jul 28, 2025 • 0 new comments

• Enumerating ImmutableArray<Func???> hangs/delays on some platforms

  #117541 commented on Jul 28, 2025 • 0 new comments

• RFC 9266: Channel Bindings for TLS 1.3 support

  #73118 commented on Jul 28, 2025 • 0 new comments

• [API Proposal]: Export Keying Material for TLS sessions

  #112529 commented on Jul 28, 2025 • 0 new comments

• [Analyzer Proposal]: Recommend using JsonElement.Parse

  #111957 commented on Jul 28, 2025 • 0 new comments

• IUtf8SpanFormattable and IUtf8SpanParsable

  #81500 commented on Jul 28, 2025 • 0 new comments

• [mono] Add support for defining dynamic assemblies in non-default ALCs

  #48109 commented on Jul 28, 2025 • 0 new comments

• Merge/share SignatureHelper (Mono) with SignatureHelper (CoreCLR)

  #46748 commented on Jul 28, 2025 • 0 new comments

• Replace MethodOnTypeBuilderInst (Mono) with corresponding CoreCLR ones

  #46149 commented on Jul 28, 2025 • 0 new comments

• Methodical_others test JIT/Methodical/Coverage/copy_prop_byref_to_native_int crashing

  #69832 commented on Jul 28, 2025 • 0 new comments

• System.Runtime.InteropServices.StructLayoutAttribute.Size behavior on reference types

  #112104 commented on Jul 28, 2025 • 0 new comments

• Simplify aka.ms/dotnet links used in runtime/host

  #89034 commented on Jul 28, 2025 • 0 new comments

• Rethrow stack trace reporting difference between NativeAOT and CoreCLR

  #107507 commented on Jul 28, 2025 • 0 new comments

• Multiple 'System.OutOfMemoryException' errors in .NET 7

  #78959 commented on Jul 28, 2025 • 0 new comments

• Startup regression on Linux in TE benchmarks

  #96331 commented on Jul 28, 2025 • 0 new comments

• CG2 test followups

  #106929 commented on Jul 28, 2025 • 0 new comments

• Semaphore performance issue

  #113411 commented on Jul 28, 2025 • 0 new comments

• ILLink removes embedded sources

  #115145 commented on Jul 28, 2025 • 0 new comments

• Enable running host tests using helix

  #77800 commented on Jul 28, 2025 • 0 new comments

• Complete warnings for AOT unsafe interop

  #74697 commented on Jul 28, 2025 • 0 new comments

• DisabledRuntimeMarshalling failing

  #81676 commented on Jul 28, 2025 • 0 new comments

• PInvoke/Array/MarshalArrayAsParam/AsLPArray/AsLPArrayTest failing

  #81674 commented on Jul 28, 2025 • 0 new comments

• interop\LayoutClass\LayoutClassTest failing

  #81673 commented on Jul 28, 2025 • 0 new comments

• [NativeAOT] Out of memory reporting on Linux

  #82337 commented on Jul 28, 2025 • 0 new comments

• AOT/analyzer should not warn for MakeGenericType of reference type

  #97408 commented on Jul 28, 2025 • 0 new comments

• Unactionable Trim warnings when referencing both Npgsql and Microsoft.Extensions.Http.Resilience

  #97057 commented on Jul 28, 2025 • 0 new comments

• Improve SYSLIB1051 by marking the fields that are incompatible with LibraryImport

  #99850 commented on Jul 28, 2025 • 0 new comments

• False positive test Interop/Interop/Interop.dll

  #102768 commented on Jul 28, 2025 • 0 new comments

• EnvelopedCms test failures on net10.0 for unsupported algorithms

  #118103 commented on Jul 28, 2025 • 0 new comments

• JIT: try to ensure all enumerator methods are inlined for locally allocated enumerators

  #116266 commented on Jul 28, 2025 • 0 new comments

• System.Text.Json changes the data datatype from double to int on serialization

  #35195 commented on Jul 28, 2025 • 0 new comments

• Breakpoint triggers watchdog timeout on MacCatalyst/iOS

  #117352 commented on Jul 31, 2025 • 0 new comments

• IServiceScope.Dispose() and DisposeAsync() should not stop disposing other services if one throws an exception

  #113563 commented on Aug 1, 2025 • 0 new comments

• Reconsider property injection with required properties

  #94323 commented on Aug 1, 2025 • 0 new comments

• [API Proposal] Add reflection support to byref-like types

  #10057 commented on Aug 1, 2025 • 0 new comments

• Make a pass over libraries wrt function pointers breaking change

  #86630 commented on Aug 1, 2025 • 0 new comments

• ActivatorUtilities - matching preferred constructor depends on the constructors order

  #98959 commented on Aug 1, 2025 • 0 new comments

• Tracking issue for reflection invoke perf improvements

  #112994 commented on Aug 1, 2025 • 0 new comments

• Change IL Emit invoke path to use function pointers and OpCodes.Calli

  #75357 commented on Aug 1, 2025 • 0 new comments

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

  #78917 commented on Aug 1, 2025 • 0 new comments

• EventSource use of EventAttribute triggers dynamic methods in attribute usage

  #90405 commented on Aug 1, 2025 • 0 new comments

• Dependency Injection: Conforming container tests missing a test for assumed provided instance disposal behaviour

  #102651 commented on Aug 1, 2025 • 0 new comments

• API documentation debt - System.Reflection

  #43864 commented on Aug 1, 2025 • 0 new comments

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

  #98715 commented on Aug 1, 2025 • 0 new comments

• Order of attributes matters to the platform analyzer?

  #105423 commented on Aug 1, 2025 • 0 new comments

• [Perf] Windows/x64: Regression in System.Buffers.Text.Tests.Base64EncodeDecodeInPlaceTests

  #105707 commented on Aug 1, 2025 • 0 new comments

• Developers can verify their NuGet dependencies compatibility against specific target platform

  #44920 commented on Aug 1, 2025 • 0 new comments

• Fix-all for ConvertComImportToGeneratedComInterface experience UX deficiencies

  #87347 commented on Aug 1, 2025 • 0 new comments

• Define and implement behavior of NativeAOT EventPipe IPC if there's already another runtime in the process

  #88087 commented on Aug 1, 2025 • 0 new comments

• [API Proposal]: Add read/write span methods to UnmanagedMemoryAccessor

  #107148 commented on Aug 1, 2025 • 0 new comments

• [API Proposal]: Add Option to Start IHostedService Instances According to Dependency Resolution Order

  #99846 commented on Aug 1, 2025 • 0 new comments

• Provide better developer experience when for missing dependencies

  #100238 commented on Aug 1, 2025 • 0 new comments

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

  #100592 commented on Aug 1, 2025 • 0 new comments

• Dependency injection does not respect unmanaged constraint

  #102016 commented on Aug 1, 2025 • 0 new comments

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

  #102970 commented on Aug 1, 2025 • 0 new comments

• Critically important services in Microsoft.Extensions.Hosting

  #103147 commented on Aug 1, 2025 • 0 new comments

• New ConfigurationBindingGeneratorTests fail on s390x (endian issue?)

  #105311 commented on Aug 1, 2025 • 0 new comments

• Add Aot annotations/reflection to AOT profile and enable dataannotation Attributes validation and Asp.Net Controlers in AOT scenarioslers in AOT scenarios

  #103716 commented on Aug 1, 2025 • 0 new comments

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

  #106227 commented on Aug 1, 2025 • 0 new comments

• [API Proposal]: DI container should respect generic constraints when resolving single instance.

  #108874 commented on Aug 1, 2025 • 0 new comments

• Debugging from Visual Studio using Host.CreateDefaultBuilder sets the ContentRootPath to GetCurrentDirectory() which is not the output directory by default

  #108435 commented on Aug 1, 2025 • 0 new comments

• PersistedAssemblyBuilder: unable to retrieve resources added with AddManifestResource

  #110686 commented on Aug 1, 2025 • 0 new comments

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

  #111003 commented on Aug 1, 2025 • 0 new comments

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

  #108919 commented on Aug 1, 2025 • 0 new comments

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

  #111013 commented on Aug 1, 2025 • 0 new comments

• DirectoryCatalog should not do ToUpper if case sensitivity is enabled

  #111181 commented on Aug 1, 2025 • 0 new comments

• [API Proposal]: Add ApplicationVersion to IHostEnvironment

  #113410 commented on Aug 1, 2025 • 0 new comments

• PrincipalContext.ValidateCredentials is unable to validate credentials using Kerberos authentication.

  #114251 commented on Aug 1, 2025 • 0 new comments

• Massive performance regression .NET 9 vs .NET 10

  #115033 commented on Aug 2, 2025 • 0 new comments

• Implement generational aware analysis GC events

  #88059 commented on Aug 2, 2025 • 0 new comments

• Offer only "valid" suffix-appending fixes for ConvertToLibraryImport

  #87236 commented on Aug 2, 2025 • 0 new comments

• [ComInterfaceGenerator] Marshalling structs containing bool fields

  #88956 commented on Aug 2, 2025 • 0 new comments

• ComInterfaceGenerator should generate a free of the local variable in the catch clause of unmanagedToManaged stubs, and free the old parameter value in the AssignOut stage

  #89483 commented on Aug 2, 2025 • 0 new comments

• DateTimeOffsetAdapter::ToString unused parameter

  #76012 commented on Aug 2, 2025 • 0 new comments

• Ability to create ICryptoTransform, passing key and iv as Span<byte>

  #27118 commented on Aug 3, 2025 • 0 new comments

• Build Issue: Duplicate Attributes Causes XML Deserialization Errors

  #105511 commented on Aug 3, 2025 • 0 new comments

• Add support for Data Contract Serializer to Immutable collections

  #21016 commented on Aug 3, 2025 • 0 new comments

• [Feature Request] Add xml serialization support for immutable arrays

  #66264 commented on Aug 3, 2025 • 0 new comments

• System.Xml.Serialization: Add ability to omit setting nullable IList types to new()

  #89420 commented on Aug 3, 2025 • 0 new comments

• [API Proposal]: Add a TeeReader to allow doing multiple computations from the same stream without buffering to disk or re-reading stream

  #72798 commented on Aug 3, 2025 • 0 new comments

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

  #118053 commented on Aug 3, 2025 • 0 new comments

• [Perf] Linux/x64: 1 Regression on 7/1/2025 8:40:05 PM +00:00

  #117425 commented on Aug 3, 2025 • 0 new comments

• Support parameter-less event methods in `DataContractSerializer` (without a `StreamingContext` parameter)

  #109264 commented on Aug 3, 2025 • 0 new comments

• Investigate effects of missing IBCData for System.Private.DataContractSerialization

  #1382 commented on Aug 3, 2025 • 0 new comments

• System.Security.Cryptography.Tests outerloop tests broken

  #117243 commented on Aug 3, 2025 • 0 new comments

• Replace deprecated SecTrustGetCertificateAtIndex API in System.Security.Cryptography.Native.Apple

  #101349 commented on Aug 3, 2025 • 0 new comments

• Collection<T> and ObservableCollection<T> do not support ranges

  #18087 commented on Aug 1, 2025 • 0 new comments

• [cDAC] Support APIs used by SOS

  #117782 commented on Aug 1, 2025 • 0 new comments

• GetFolderPath_Windows tests ~all fail on Nano

  #21430 commented on Aug 1, 2025 • 0 new comments

• .NET Runtime-Async Feature

  #109632 commented on Aug 1, 2025 • 0 new comments

• Trim analyzer: Implement type name parsing

  #95118 commented on Aug 1, 2025 • 0 new comments

• Limitations that we're not planning to address right now

  #69919 commented on Aug 1, 2025 • 0 new comments

• Intel architecture improvements for .NET 10

  #108869 commented on Aug 1, 2025 • 0 new comments

• .NET bundle may be built with non-utf8 but always execute with utf8.

  #118098 commented on Aug 1, 2025 • 0 new comments

• Relative path in deps.json is ignored for assemblies from the app

  #3525 commented on Aug 2, 2025 • 0 new comments

• Loading PFX without admin causes CryptographicException

  #110217 commented on Aug 2, 2025 • 0 new comments

• RyuJIT generates unnecessary movs for really large constants across if statements

  #6381 commented on Aug 2, 2025 • 0 new comments

• Validate runtime async methods when unboxing stubs/instantiating stubs are involved

  #117266 commented on Aug 2, 2025 • 0 new comments

• IXmlSerializable makes XmlSerializer Deserialize creates instance of base class instead of derived class

  #101654 commented on Aug 2, 2025 • 0 new comments

• NativeAOT and XmlSerializer

  #106580 commented on Aug 2, 2025 • 0 new comments

• Support inter-process named mutexes in managed Mutex implementation

  #48720 commented on Aug 2, 2025 • 0 new comments

• [HTTP/2] Race between reading response and reset?

  #57617 commented on Aug 2, 2025 • 0 new comments

• Debugger doesn't attach on macOS 26

  #116545 commented on Aug 2, 2025 • 0 new comments

• Question: Named pipes: await JsonSerializer.DeserializeAsync<T> blocks, when reading from Named pipe

  #81840 commented on Aug 2, 2025 • 0 new comments

• Documenting .NET 9 APIs

  #105974 commented on Jul 31, 2025 • 0 new comments

• [API Proposal]: Introduce PathNormalizationOption in ZipFile.Open for Cross-Platform Zip Entry Path Compatibility

  #113058 commented on Jul 31, 2025 • 0 new comments

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

  #83317 commented on Jul 31, 2025 • 0 new comments

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

  #117327 commented on Jul 31, 2025 • 0 new comments

• Very slow deserialization of XElement with text content using DataContractSerializer

  #37893 commented on Jul 31, 2025 • 0 new comments

• TimeZoneInfo incredibly slow

  #25075 commented on Jul 31, 2025 • 0 new comments

• XmlSerializer requires next tag after EndElement to be present in Stream

  #47371 commented on Jul 31, 2025 • 0 new comments

• [Perf] Linux/x64: 4 Regressions on 5/28/2025 2:43:13 PM +00:00

  #116270 commented on Jul 31, 2025 • 0 new comments

• [Analyzer] Async methods that don't take a CancellationToken

  #78397 commented on Jul 31, 2025 • 0 new comments

• Calling a Vararg P/Invoke from another assembly fails to call underlying native function

  #87188 commented on Jul 31, 2025 • 0 new comments

• [LibraryImport] Support generating static Marshalling stub for unmanaged function pointer calls.

  #63590 commented on Jul 31, 2025 • 0 new comments

• [API Proposal]: FilePatternMatch.Stem should be made non-nullable.

  #116982 commented on Jul 31, 2025 • 0 new comments

• Support Composite ML-DSA with Windows BCrypt

  #116999 commented on Jul 31, 2025 • 0 new comments

• Support Composite ML-DSA with Windows NCrypt

  #117000 commented on Jul 31, 2025 • 0 new comments

• Support SLH-DSA with Windows BCrypt

  #117002 commented on Jul 31, 2025 • 0 new comments

• Support SLH-DSA with Windows NCrypt

  #117003 commented on Jul 31, 2025 • 0 new comments

• [NativeAOT] don't generate __GetFieldHelper if struct has its type (handle?) taken

  #116301 commented on Jul 31, 2025 • 0 new comments

• Consider backport (or not) FileSystemEnumerator fixes for Unix

  #117250 commented on Jul 31, 2025 • 0 new comments

• GC.GetTotalMemory occasionaly returns negative values

  #106712 commented on Jul 31, 2025 • 0 new comments

• My server randomly hangs, with dumpexceptions showing System.ExecutionEngineException

  #117496 commented on Jul 31, 2025 • 0 new comments

• [mono] expression Cannot box IsByRefLike type 'System.ReadOnlySpan`1'

  #98805 commented on Jul 31, 2025 • 0 new comments

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

  #117984 commented on Jul 31, 2025 • 0 new comments

• Consider enabling R2R when loading from a byte array on OSX

  #74203 commented on Jul 31, 2025 • 0 new comments

• Process memory exhaustion under region-based GC heap mode

  #103582 commented on Jul 31, 2025 • 0 new comments

• GC heap initialization failed (0x8007000E) on ARM64 Linux (Ubuntu 24.04 via Termux/proot-distro)

  #116431 commented on Jul 31, 2025 • 0 new comments

• [android] EventPipe loader events on CoreCLR Android mixes relative/absolute paths.

  #114217 commented on Jul 31, 2025 • 0 new comments

• InvalidProgramException with System.Linq.Expressions and user-defined conditional operators

  #103197 commented on Jul 31, 2025 • 0 new comments

• incorrect DateTimeOffset with DataContractSerializer and IXmlSerializable

  #114813 commented on Jul 31, 2025 • 0 new comments

• IXmlSerializable on a struct with a parameterless constructor throws an InvalidProgramException on Derserialize

  #99613 commented on Jul 31, 2025 • 0 new comments

• Multiple blank spaces between words in code documentation

  #113470 commented on Jul 31, 2025 • 0 new comments

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

  #117976 commented on Jul 31, 2025 • 0 new comments

• MissingRuntimeArtifactException on ServiceModel.Syndication.SyndicationFeed.Load

  #65218 commented on Jul 31, 2025 • 0 new comments

• Tar tests that interact with file assets do not work on Browser

  #69953 commented on Jul 31, 2025 • 0 new comments

• Extract_HardLinkEntry_TargetInsideDirectory test from System.Formats.Tar.Tests fails on Android/iOS/tvOS

  #68360 commented on Jul 31, 2025 • 0 new comments

• TarWriter on Windows Server treats File Deduplication reparse point flag as symbolic links

  #82949 commented on Jul 31, 2025 • 0 new comments

• ApiCatalog build infrastructure should be updated

  #996 commented on Jul 31, 2025 • 0 new comments

• Error: [MONO] * Assertion at /__w/1/s/src/mono/mono/metadata/assembly.c:1673, condition `<disabled>' not met

  #107730 commented on Aug 1, 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 Aug 1, 2025 • 0 new comments

• GzipStream decompression memory (leak?) lingers in certain environments

  #114502 commented on Aug 1, 2025 • 0 new comments

• [wasm] Use our python package on macos again

  #103120 commented on Aug 1, 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 Aug 1, 2025 • 0 new comments

• iOS: HttpClient threads don't finish

  #105767 commented on Aug 1, 2025 • 0 new comments

• [Android] Mono startup crash (mono_runtime_invoke_checked, mono_assembly_request_byname)

  #103371 commented on Aug 1, 2025 • 0 new comments

• [Perf] Windows/x64: 52 Regressions on 6/14/2025 5:22:46 PM +00:00

  #116754 commented on Aug 1, 2025 • 0 new comments

• Debug build memory leak leading to OOM crashes in .NET 8 Android, when using OxyPlot PlotView

  #112701 commented on Aug 1, 2025 • 0 new comments

• Emit AOT/trim analyzer warning when reference doesn't have IsTrimmable/IsAotCompatible

  #117712 commented on Aug 1, 2025 • 0 new comments

• JIT: Cold code inlining decisions are incorrectly used later

  #115918 commented on Aug 1, 2025 • 0 new comments

• Ensure Vector64/128/256 are blocked for pass-by-value to P/Invoke in all scenarios

  #74269 commented on Aug 1, 2025 • 0 new comments

• Fix RS1038 related warnings found in Interop source generators

  #88701 commented on Aug 1, 2025 • 0 new comments

• Multiple documented members of System.Runtime.InteropServices.UnmanagedType are marked EditorBrowsable(Never)

  #88431 commented on Aug 1, 2025 • 0 new comments

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

  #99178 commented on Aug 1, 2025 • 0 new comments

• Should Host resolve keyed hosted services?

  #99085 commented on Aug 1, 2025 • 0 new comments

• Can we add a way to add attributes without requiring a dependency on their assembly?

  #99817 commented on Aug 1, 2025 • 0 new comments

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

  #100020 commented on Aug 1, 2025 • 0 new comments

• RateLimiter AutoReplenishment is based on a Timer

  #118112 commented on Jul 31, 2025 • 0 new comments

• XMLSerializer UnknownAttribute event does not fire on built-in types

  #96683 commented on Aug 1, 2025 • 0 new comments

• LibraryImportGenerator can generate non-compilable code with specific string marshalling (it forgets a global:: on CharSet DllImport properties)

  #111594 commented on Aug 1, 2025 • 0 new comments

• [Perf] Linux/arm64: 1 Regression on 4/15/2025 6:58:26 PM +00:00

  #114999 commented on Aug 1, 2025 • 0 new comments

• DataContractJsonSerializer not passing ISerializationSurrogateProvider to internal xml serializer

  #100553 commented on Aug 1, 2025 • 0 new comments

• `JsonEncodingStreamWrapper` cannot handle UTF16 BOMs

  #80160 commented on Aug 1, 2025 • 0 new comments

• RuntimeInstanceNotAllowed Error Initializing XmlSerializer on Android Release Build in .NET 9

  #109724 commented on Aug 1, 2025 • 0 new comments

• XML serialization of xs:list elements doesn't respect white-space separation

  #115837 commented on Aug 1, 2025 • 0 new comments

• XmlSerializer does not work with collections in collectible ALC

  #100518 commented on Aug 1, 2025 • 0 new comments

• Obsolete attribute impacts XML Serialization

  #100453 commented on Aug 1, 2025 • 0 new comments

• Error: System.ArgumentException: Identifier is not CLS-compliant. (Parameter 'ident')

  #110435 commented on Aug 1, 2025 • 0 new comments

• XML deserialize raw empty-element

  #80699 commented on Aug 1, 2025 • 0 new comments

• Certificate validation fails with RevocationStatusUnknown when using HTTPS proxy

  #117681 commented on Aug 1, 2025 • 0 new comments

• OpenSubKey(string, RegistryRights) is useless

  #113535 commented on Aug 1, 2025 • 0 new comments

• [Android] Investigate and reduce `coreclr_static.a` size

  #116531 commented on Aug 1, 2025 • 0 new comments

• Blazor WebAssembly AOT Compilation Fails on .NET 9

  #114898 commented on Aug 1, 2025 • 0 new comments

• [API Proposal]: Arm64: FEAT_SVE2: bitwise

  #94015 commented on Aug 1, 2025 • 0 new comments

• HttpClient ObjectDisposed after SDK upgrade from 34.0.95 -> 34.0.113

  #115611 commented on Aug 1, 2025 • 0 new comments