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

area-System.IO

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

os-windows

Status: Closed (completed).

#103584 In dotnet/runtime;

· by Sergio0694 was closed on Apr 1, 2026

[API Proposal]: ARM64 SVE: Add additional types for the mask APIs

api-approvedAPI was approved in API review, it can be implementedAPI was approved in API review, it can be implemented

arch-arm64

area-System.Runtime.Intrinsics

arm-sveWork related to arm64 SVE/SVE2 supportWork related to arm64 SVE/SVE2 support

Status: Closed (completed).

#108233 In dotnet/runtime;

· by a74nh was closed on Mar 27, 2026

[wasm][coreclr] Attempt to access method System.Delegate.DelegateConstruct results in exception

arch-wasmWebAssembly architectureWebAssembly architecture

area-VM-coreclr

Status: Closed (completed).

#121955 In dotnet/runtime;

· by radekdoulik was closed on Feb 27, 2026

Test failure: Interop/COM/ComWrappers/API/ComWrappersTestsBuiltInComDisabled/ComWrappersTestsBuiltInComDisabled.cmd

arch-arm64

area-Interop-coreclr

blocking-outerloopBlocking the 'runtime-coreclr outerloop' and 'runtime-libraries-coreclr outerloop' runsBlocking the 'runtime-coreclr outerloop' and 'runtime-libraries-coreclr outerloop' runs

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

os-windows

Status: Closed (completed).

#111264 In dotnet/runtime;

· by v-wenyuxu was closed on Feb 18, 2026

SslStreamTlsResumeTests.ClientDisableTlsResume_Succeeds failed in CI

area-System.Net.Security

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

test-run-coreTest failures in .NET Core test runsTest failures in .NET Core test runs

tracking-external-issueThe issue is caused by external problem (e.g. OS) - nothing we can do to fix it directlyThe issue is caused by external problem (e.g. OS) - nothing we can do to fix it directly

Status: Closed (completed).

#103449 In dotnet/runtime;

· by stephentoub was closed on Apr 14, 2026

Introduce a Utf8String type

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-System.Runtime

Cost:XLWork that requires one engineer more than 4 weeksWork that requires one engineer more than 4 weeks

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

Status: Not planned (skipped).

#933 In dotnet/runtime;

· by GrabYourPitchforks was closed on Apr 23, 2026

HTTP2: Huffman decoding implementation is inefficient

area-System.Net.Http

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

help wanted[up-for-grabs] Good issue for external contributors[up-for-grabs] Good issue for external contributors

tenet-performancePerformance related issuePerformance related issue

Status: Closed (completed).

#1506 In dotnet/runtime;

· by geoffkizer was closed on Jan 23, 2026

Interpreter: volatile ldobj appears to have incorrect semantics?

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

bug

help wanted[up-for-grabs] Good issue for external contributors[up-for-grabs] Good issue for external contributors

memory modelissues associated with memory modelissues associated with memory model

Status: Closed (completed).

#3865 In dotnet/runtime;

· by alexrp was closed on Apr 12, 2026

Discussion on reorganizing gc.cpp

area-GC-coreclr

backlog-cleanup-candidateAn inactive issue that has been marked for automated closure.An inactive issue that has been marked for automated closure.

Status: Closed (completed).

#4024 In dotnet/runtime;

· by ala53 was closed on Mar 19, 2026

RyuJIT in-lining policy: factor in the benefit of eliminating an address exposed obj-ref local

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

optimization

tenet-performancePerformance related issuePerformance related issue

Status: Closed (completed).

#7201 In dotnet/runtime;

· by sivarv was closed on Feb 20, 2026

Intrinsic for the rdpmc instruction

area-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMICLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Duplicate of an existing item.

#10512 In dotnet/runtime;

· by mjsabby was closed on Apr 26, 2026

· Duplicate

Support 24:00 in hh:mm for ISO8601 dates

area-System.DateTime

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Status: Closed (completed).

#12197 In dotnet/runtime;

· by JamesNK was closed on Feb 15, 2026

Improve test coverage of DateTime ParseExact with different DateTimeStyles

area-System.DateTime

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

test-enhancementImprovements of test source codeImprovements of test source code

Status: Closed (completed).

#25295 In dotnet/runtime;

· by ahsonkhan was closed on Jan 26, 2026

Regex Match, Split and Matches should support RegexOptions.AnyNewLine as (?=\r\z|\n\z|\r\n\z|\z)

api-approvedAPI was approved in API review, it can be implementedAPI was approved in API review, it can be implemented

area-System.Text.RegularExpressions

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Status: Closed (completed).

#25598 In dotnet/runtime;

· by jzabroski was closed on Mar 17, 2026

SocketsHttpHandler_HttpClientHandler_Cancellation_Test_Http2.PostAsync_Cancel_CancellationTokenPassedToContent outerloop fail

area-System.Net.Http

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

test-run-coreTest failures in .NET Core test runsTest failures in .NET Core test runs

Status: Closed (completed).

#41531 In dotnet/runtime;

· by ManickaP was closed on Feb 23, 2026

Test failure: System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Cancellation_Test / GetAsync_CancelDuringResponseBodyReceived_Buffered_TaskCanceledQuickly

area-System.Net.Http

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

test-run-coreTest failures in .NET Core test runsTest failures in .NET Core test runs

Status: Closed (completed).

#25760 In dotnet/runtime;

· by Sunny-pu was closed on Feb 23, 2026

Unable to use HttpClient configured with UseDefaultCredentials true when the process is running under a restricted token with restricted SIDs

area-System.Net.Security

tracking-external-issueThe issue is caused by external problem (e.g. OS) - nothing we can do to fix it directlyThe issue is caused by external problem (e.g. OS) - nothing we can do to fix it directly

Status: Not planned (skipped).

#102692 In dotnet/runtime;

· by davidterins was closed on Feb 25, 2026

Could not find a part of the path in System.IO.Tests.FileSystemWatcherTests.FileSystemWatcher_Directory_Delete_MultipleFilters

arch-x86

area-System.IO

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

os-windows

runtime-coreclrspecific to the CoreCLR runtimespecific to the CoreCLR runtime

Status: Closed (completed).

#98193 In dotnet/runtime;

· by carlossanlop was closed on Apr 2, 2026

SYSLIB1045 Use GeneratedRegex auto-correct causes CS0756 multiple defining declarations

area-System.Text.RegularExpressions

bug

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Status: Closed (completed).

#77409 In dotnet/runtime;

· by timmydo was closed on Apr 10, 2026

NonBacktracking engine is pathologically slow on patterns like "((((((((a)*)*)*)*)*)*)*" and input like "aaaaaaa" which other engines handle fine

area-System.Text.RegularExpressions

disabled-testThe test is disabled in source code against the issueThe test is disabled in source code against the issue

in-prThere is an active PR which will close this issue when it is mergedThere is an active PR which will close this issue when it is merged

Status: Closed (completed).

#84188 In dotnet/runtime;

· by stephentoub was closed on Apr 2, 2026

[API Proposal]: CRC-32C non-cryptographic hashing API

api-suggestionEarly API idea and discussion, it is NOT ready for implementationEarly API idea and discussion, it is NOT ready for implementation

area-System.IO.Hashing

Status: Closed (completed).

#85222 In dotnet/runtime;

· by brantburnett was closed on Feb 18, 2026

FileSystemInfo File.ResolveLinkTarget(path, false) returns incorrect result for non-existent file

area-System.IO

bug

help wanted[up-for-grabs] Good issue for external contributors[up-for-grabs] Good issue for external contributors

os-linuxLinux OS (any supported distro)Linux OS (any supported distro)

Status: Closed (completed).

#98584 In dotnet/runtime;

· by jcurl was closed on Feb 8, 2026

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

area-Codegen-JIT-mono

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

runtime-monospecific to the Mono runtimespecific to the Mono runtime

Status: Closed (completed).

#92070 In dotnet/runtime;

· by buyaa-n was closed on Mar 16, 2026

Assertion failed in SafeFileHandle.OverlappedValueTaskSource.IOCallback

area-System.IO

Known Build ErrorUse this to report build issues in the .NET Helix tabUse this to report build issues in the .NET Helix tab

needs-further-triageIssue has been initially triaged, but needs deeper consideration or reconsiderationIssue has been initially triaged, but needs deeper consideration or reconsideration

Status: Closed (completed).

#99517 In dotnet/runtime;

· by MichalStrehovsky was closed on Mar 22, 2026

[wasm] mono_wasm_trace_logger doesn't display message in FireFox console

arch-wasmWebAssembly architectureWebAssembly architecture

area-System.Runtime.InteropServices.JavaScript

os-browserBrowser variant of arch-wasmBrowser variant of arch-wasm

Status: Closed (completed).

#76710 In dotnet/runtime;

· by pavelsavara was closed on Feb 19, 2026