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[ci-scan] Test failure: SystemCoreLibDirectory crashes in R2R_Composite (crossgen2 outerloop)

agentic-workflows

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129046 In dotnet/runtime;

· github-actions opened on Jun 5, 2026

[ci-scan] Test failure: TensorPrimitives.SpanDestinationFunctions_ValueRange (Tan) on iossimulator

agentic-workflows

area-System.Numerics.Tensors

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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

os-iosApple iOSApple iOS

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129045 In dotnet/runtime;

· github-actions opened on Jun 5, 2026

Suspicious code fragments

area-NativeAOT-coreclr

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129042 In dotnet/runtime;

· NikiPn opened on Jun 5, 2026

[API Proposal]: Add STJ support for closed hierarchies

api-ready-for-reviewAPI is ready for review, it is NOT ready for implementationAPI is ready for review, it is NOT ready for implementation

area-System.Text.Json

Status: Open.

#129041 In dotnet/runtime;

· eiriktsarpalis opened on Jun 5, 2026

·  

11.0.0

Building a C# AppHost fails within a devcontainer, blocking xUnit v3 test projects

area-Host

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129040 In dotnet/runtime;

· hansmbakker opened on Jun 5, 2026

HttpClient / ZstandardStream silently truncates multi-frame zstd responses to the first frame (.NET 11 preview 4)

area-System.IO.Compression

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129038 In dotnet/runtime;

· christosk92 opened on Jun 5, 2026

Test failure: JIT/opt/RangeChecks/ElidedBoundsChecks/ElidedBoundsChecks.cmd

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

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

Status: Open.

#129037 In dotnet/runtime;

· VincentBu opened on Jun 5, 2026

Revisit RetryAfter behavior in TokenBucketRateLimiter and SlidingWindowRateLimiter

area-System.Threading

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129036 In dotnet/runtime;

· asbjornvad opened on Jun 5, 2026

CI build failure: error CS8032: An instance of analyzer Microsoft.NetCore.CSharp.Analyzers.... cannot be created

area-Infrastructure

blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'Blocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129031 In dotnet/runtime;

· jkotas opened on Jun 5, 2026

ILVerify false positive: ReturnPtrToStack on by-value return of a ref struct local

area-Tools-ILVerificationIssues related to ilverify tool and IL verification in generalIssues related to ilverify tool and IL verification in general

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129030 In dotnet/runtime;

· DavidObando opened on Jun 5, 2026

Test failure: Microsoft.Extensions.FileProviders.PhysicalFileProviderTests.TokensFiredForOldAndNewNamesOnRename

area-Extensions-FileSystem

blocking-clean-ci-optionalBlocking optional rolling runsBlocking optional rolling runs

JitStressCLR JIT issues involving JIT internal stress modesCLR JIT issues involving JIT internal stress modes

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129027 In dotnet/runtime;

· VincentBu opened on Jun 5, 2026

Official package SourceLink checksums require CR/LF normalization

area-Infrastructure

untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

Status: Open.

#129023 In dotnet/runtime;

· richlander opened on Jun 4, 2026