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
- Skip making empty loops for collections of non-bindable elements
- [API Proposal]: Transparent layout support for value types.
- [Feature Request]: CoreCLR GC cache topology awareness for Hybrid CPUs (P/E-Cores) and upcoming bLLC architectures (Intel Nova Lake)
- Build vararg support only where it is reachable
- JIT: Strip redundant shift-count mask earlier in gtFoldExprBinary
- [Perf] Linux/arm64: 1 Regression on 7/22/2026 1:13:11 AM +00:00
- WIP - Refactor fallback testing
- Fix config binding source generator CS9035 for required/init properties on parameterless-constructor types
- Add IntroduceUnsafeContextCodeFixProvider for unsafe-v2 call sites
- Fix EventPipe dispose-in-callback deadlock
- Docs
- C# not yet supported