runtime
https://github.com/dotnet/runtime
C#
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
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Help out
- Issues
- Flaky test RegexMatchTests.Match_TestThatTimeoutHappens(engine: SourceGenerated)
- ci: declare contents:read on jit-format workflow
- Fix broken "See also" link in CoreCLR iOS build docs
- Add IServiceCollectionValidator for DI validation
- [API Proposal]: Add an IServiceLifetimeProvider that takes in a type and returns the lifetime that it was registered with
- "CI Outer-Loop Failure Scanner" should not run in forks
- [SVE2] CreateWhileWriteAfterRead* and SaturatingExtract*
- SIGSEGV (signal 11) in RuntimeHelpers.CompileMethod called from LambdaCompiler.CreateDelegate()
- [Perf] Linux/arm64: 2 Regressions on 5/11/2026 8:05:21 PM +00:00
- [Perf] Linux/arm64: 4 Regressions on 5/12/2026 11:35:36 PM +00:00
- Docs
- C# not yet supported