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<code>ArgumentOutOfRangeException</code> when creating FrozenDictionary with very large strings

area-System.Collections

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

Status: Open.

#121673 In dotnet/runtime;

· prozolic opened on Nov 16, 2025

Several JIT.HardwareIntrinsics.Arm._Sve2.Program tests failing in the outerloop

arch-arm64

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

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

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

Status: Open.

#121659 In dotnet/runtime;

· janvorli opened on Nov 15, 2025

[API Proposal]: Add support for <code>ValueTypes</code> when using <code>UnsafeAccessorTypeAttribute</code>

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.CompilerServices

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

Status: Open.

#121655 In dotnet/runtime;

· almightyju opened on Nov 15, 2025

[Wasm RyuJIT] EH &amp; GC Design

arch-wasmWebAssembly architectureWebAssembly architecture

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

Status: Open.

#121651 In dotnet/runtime;

· kg opened on Nov 14, 2025

Crash inside libmsquic.so/libcrypto..so in System.Net.Http.Functional.Tests

area-System.Net.Quic

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.

#121647 In dotnet/runtime;

· jkotas opened on Nov 14, 2025

Fix references in generated IL with mutable module.

area-crossgen2-coreclr

runtime-async

Status: Open.

#121644 In dotnet/runtime;

· jtschuster opened on Nov 14, 2025

Interop source generators do not respect [NativeMarshalling(typeof(TMarshaller))] for COM interfaces

area-System.Runtime.InteropServices

source-generatorIndicates an issue with a source generator featureIndicates an issue with a source generator feature

Status: Open.

#121642 In dotnet/runtime;

· jtschuster opened on Nov 14, 2025

· 

11.0.0

<code>RequestRetryType.RetryOnStreamLimitReached</code> is never used

area-System.Net.Http

Status: Open.

#121638 In dotnet/runtime;

· MihaZupan opened on Nov 14, 2025

· 

11.0.0

NativeAOT'd il2cpp.exe random crashing on Windows x64.

area-NativeAOT-coreclr

tenet-reliabilityReliability/stability related issue (stress, load problems, etc.)Reliability/stability related issue (stress, load problems, etc.)

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

Status: Open.

#121632 In dotnet/runtime;

· mrvoorhe opened on Nov 14, 2025

[clr-interp] Stackoverflow on x64

area-CodeGen-Interpreter-coreclr

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

Status: Open.

#121631 In dotnet/runtime;

· rolfbjarne opened on Nov 14, 2025

IL2067 warning mentions wrong property, makes no sense

area-Tools-ILLink.NET linker development as well as trimming analyzers.NET linker development as well as trimming analyzers

Status: Open.

#121629 In dotnet/runtime;

· jonpryor opened on Nov 14, 2025

· 

10.0.x

Asynchronous Zip Methods still have synchronous calls

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.

#121624 In dotnet/runtime;

· Tornhoof opened on Nov 14, 2025