runtime
https://github.com/dotnet/runtime
C#
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
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- Issues
- Add GroupJoin overload returning IGrouping<TOuter, TInner>
- `ComVariant.As<T>` does not support `VT_ARRAY` variants
- [RuntimeAsync] Add a testcase for Task-returning methods that use __arglst
- [System.Net.Sockets.Tests] Make UDP SendTo implicit-bind and AccessDenied tests deterministic on mobile/restricted environments
- AggregateException (SkipTestException + NullReferenceException) in DebuggerTypeProxy tests on android_x64
- JIT: Skip redundant AND masking in NarrowWithSaturation codegen
- [API Proposal]: Marshal overloads for ComVariant
- Blazor wasm AOT: don't send all arguments via the command line, because of 8191 command line char limit
- Running a .NET Framework 4.7.2 Windows Service on Windows 10/11 ARM64
- [Perf] Linux/x64: 1 Regression on 1/12/2026 7:53:53 PM +00:00
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- C# not yet supported