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
- Wasm RelaxedSimd intrinsics experiment
- Reflection-based XmlSerializer resolves [XmlChoiceIdentifier] enum incorrectly with [XmlEnum] aliases
- [ci-fix] Needs review: Widen Tan tolerance for ARM64 iOS simulator precision (refs #129045)
- [API Proposal]: Add BigInteger.ModInverse(BigInteger value, BigInteger modulus)
- Add compile-time and run-time methods to obtain Vector<T> byte length
- Clamp replenishment timer period to 1ms in rate limiters
- `Console.CancelKeyPress` race condition causes deadlock
- [Perf] Linux/arm64: 1 Regression on 6/23/2026 8:41:58 PM +00:00
- [Perf] Linux/arm64: 3 Regressions on 6/23/2026 1:15:15 AM +00:00
- [ci-scan] Test failure: profiler/handles crash (GetObjectGeneration / exit code 139) in crossgen2-composite
- Docs
- C# not yet supported