runtime
https://github.com/dotnet/runtime
C#
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
Triage Issues!
When you volunteer to triage issues, you'll receive an email each day with a link to an open issue that needs help in this project. You'll also receive instructions on how to triage issues.
Triage Docs!
Receive a documented method or class from your favorite GitHub repos in your inbox every day. If you're really pro, receive undocumented methods or classes and supercharge your commit history.
C# not yet supported166 Subscribers
View all SubscribersAdd a CodeTriage badge to runtime
Help out
- Issues
- [Android] Periodic frame rate drops (60→54 FPS; 6-10 consecutive frames c. every 5 seconds) with CoreCLR on .NET 11 — regression from Mono on .NET 10
- MemoryExtensions: multi-value IndexOfAny/IndexOfAnyExcept/LastIndexOfAny/LastIndexOfAnyExcept missing int/long fast paths
- Round-trip TimeZoneInfo.ToSerializedString on Unix (#19794)
- [API Proposal]: MemoryMarshal.GetAlignmentOffset for safe SIMD loop peeling
- JIT: single-pass register allocator for MinOpts
- [ci-scan] Hang: System.Net.WebSockets.Client.Tests times out on Apple (tvos/iossimulator) after 4500s
- [ci-scan] Test failure: GC/API/GC/GetConfigurationVariables on GCStandAlone windows-arm64
- Creating Minidump for DOTNET_DbgMiniDumpType=2/4 fails due to not enough memory, use compression
- [ci-scan] Test failure: GC/API/GC/Collect_Aggressive_LargePages on NativeAOT windows-x64
- [Perf] Linux/arm64: 6 Regressions on 7/17/2026 11:45:18 PM +00:00
- Docs
- C# not yet supported