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
- tvOS CI failure on 9.0: The specified device was not found.
- [API Proposal]: Add a FileStream constructor that takes a SafeFileHandle and ownsValue or leaveOpen
- [API Proposal]: Add FileStream.DefaultBufferSize
- Remove BypassReadyToRun attributes from AsyncHelpers
- Some GC tests timing out in CI on wasm on 9.0
- Problem with Workstation GC hanging
- Uri.TryUnescapeDataString throws ArgumentOutOfRangeException
- JIT, AOT preinit, and CoreLib: Saturate float/double conversions to small integral types
- [Perf] Windows/x64: 4 Regressions on 5/21/2026 3:37:25 AM +00:00
- Fix Process.Kill(entireProcessTree: true) when intermediate child has KillOnParentExit
- Docs
- C# not yet supported