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Proxy type map doesn't keep entries that can be created dynamically

area-NativeAOT-coreclr

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

Status: Open.

#122598 In dotnet/runtime;

· MichalStrehovsky opened on Dec 16, 2025

Configuration returning wrong value for "null" with Microsoft.Extensions.Configuration.Json 10

area-Extensions-Configuration

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

Status: Open.

#122595 In dotnet/runtime;

· Coder3333 opened on Dec 16, 2025

System.Runtime.InteropServices.COMException.Test_Write_T_ETW fails on Windows x64

area-System.Diagnostics.Tracing

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.

#122593 In dotnet/runtime;

· kotlarmilos opened on Dec 16, 2025

[Perf] Linux/x64: 7 Regressions on 12/11/2025 12:41:46 PM +00:00

arch-x64

needs-area-labelAn area label is needed to ensure this gets routed to the appropriate area ownersAn area label is needed to ensure this gets routed to the appropriate area owners

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

runtime-coreclrspecific to the CoreCLR runtimespecific to the CoreCLR runtime

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

Status: Open.

#122592 In dotnet/runtime;

· performanceautofiler opened on Dec 16, 2025

AdvSimd shift+widen invalid imm8 range

area-System.Runtime.Intrinsics

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

Status: Open.

#122590 In dotnet/runtime;

· ovska opened on Dec 16, 2025

Allow building runtime.native.System.IO.Ports for community-supported architectures by default

area-System.IO.Ports

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

Status: Open.

#122586 In dotnet/runtime;

· driver1998 opened on Dec 16, 2025

System.Net.Http.HttpIOException: The response ended prematurely

area-System.Net.Http

questionAnswer questions and provide assistance, not an issue with source code or documentation.Answer questions and provide assistance, not an issue with source code or documentation.

Status: Open.

#122583 In dotnet/runtime;

· fatihsimsek opened on Dec 16, 2025

·  

Future

Assertion failed 'node->AsCall()->IsAsync()'

area-NativeAOT-coreclr

runtime-async

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

Status: Open.

#122582 In dotnet/runtime;

· MichalStrehovsky opened on Dec 16, 2025

CooperativeBlockingWithProcessingThreadsAndGoalThreadsAndAddWorkerRaceTest test failure

area-VM-threading-mono

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.

#122578 In dotnet/runtime;

· jkotas opened on Dec 16, 2025

Debugger stepping incorrect in async method: execution flow jumps to <code>else</code> block after <code>return</code>

area-Diagnostics-coreclr

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

Status: Open.

#122577 In dotnet/runtime;

· magicxor opened on Dec 16, 2025

[API Proposal]: AsyncEnumerable GroupSequentialBy

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

area-System.Linq

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

Status: Open.

#122576 In dotnet/runtime;

· jeremy-morren opened on Dec 16, 2025

ManagedToNativeGenerator is invoked on every build

arch-wasmWebAssembly architectureWebAssembly architecture

area-Build-mono

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

Status: Open.

#122575 In dotnet/runtime;

· AdmiralSnyder opened on Dec 16, 2025