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
- Add debug assert to detect CRST_DEFAULT locks taken under ANYMODE locks
- JIT: Secondary frame pointer for x64 unoptimized methods
- gc: collapse single-bucket handle table walks
- Resolve the localhost name family to loopback on Android
- Remove BypassReadyToRun attributes from AsyncHelpers
- [Perf] Windows/x64: 4 Regressions on 5/21/2026 3:37:25 AM +00:00
- `ThreadLocal<T>` finalization crashes with a `NullReferenceException`
- PTY support
- [Process] Start process as non-elevated user
- Regression on Linux: Console uninitialized on AppDomain.UnhandledException
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- C# not yet supported