Search results

event pipe assertion in slowpatheltleave: ep_event_instance_get_timestamp (event_instance) >= file->last_sorted_timestamp

area-Infrastructure-installer

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

Status: Open.

#129198 In dotnet/runtime;

· AndyAyersMS opened on Jun 9, 2026

[API Proposal]: string.Join<T>(ReadOnlySpan<char>, ReadOnlySpan<T>) overload

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

area-System.Memory

Status: Open.

#129193 In dotnet/runtime;

· danilwhale opened on Jun 9, 2026

Web Sockets: WebSocketError.Faulted is uninformative: Add and use ProtocolError and InvalidEncodedText

area-System.Net

Status: Open.

#129192 In dotnet/runtime;

· mattflaschen opened on Jun 9, 2026

[Regression] COMWrapper Leak when targeting .NET 10 on a WinUI3 project

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

tenet-performancePerformance related issuePerformance related issue

Status: Open.

#129191 In dotnet/runtime;

· macy-kairospower opened on Jun 9, 2026

MemoryCache with SizeLimit permanently stops caching (silent Set drops) after _cacheSize drifts negative under concurrency

area-Extensions-Caching

Status: Open.

#129186 In dotnet/runtime;

· sablancoleis opened on Jun 9, 2026

Microsoft Security Advisory CVE-2026-45491 | .NET Tampering Vulnerability

area-Meta

Security

Status: Open.

#129184 In dotnet/runtime;

· bribrothers opened on Jun 9, 2026

[wasm] WasmBuildTests Blazor apps fail to boot: 404 on _framework Blazor bootstrapper (blazor.webassembly.js / blazor.web.js)

area-Build-mono

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

Status: Open.

#129182 In dotnet/runtime;

· lewing opened on Jun 9, 2026

GeneratedComInterface relies on undefined QueryInterface behavior

area-Interop-coreclr

Status: Open.

#129181 In dotnet/runtime;

· dongle-the-gadget opened on Jun 9, 2026

[API Proposal]: Decorator support in Microsoft.Extensions.DependencyInjection

area-Extensions-DependencyInjection

Status: Open.

#129177 In dotnet/runtime;

· rosebyte opened on Jun 9, 2026

JIT clears the entire struct under SkipLocalsInit if it has gc fields, but doesn't have to.

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.

#129174 In dotnet/runtime;

· EgorBo opened on Jun 9, 2026

·  

Future

[ci-scan] Test failure: Runtime_105619.Program.TestEntryPoint on Mono MiniFullAot

agentic-workflows

area-Codegen-AOT-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

runtime-monospecific to the Mono runtimespecific to the Mono runtime

Status: Open.

#129170 In dotnet/runtime;

· github-actions opened on Jun 9, 2026

[aw] CI Outer-Loop Failure Fixer failed

agentic-workflows

area-Infrastructure

Status: Open.

#129169 In dotnet/runtime;

· github-actions opened on Jun 9, 2026