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
- Redesign `CallSiteFactory` constructor selection with stable arity ordering and parameter-aware ambiguity
- [DO NOT MERGE] Validate dotnet/xharness PR #1597 (NativeAOT + Sim Commands fix)
- osx x64 test timing out instead of throwing OOM
- [API Proposal]: System.Text.Decoder: "Validate" method that can be repeatedly called to validate a sequence of encoded bytes split into multiple blocks
- Improve SseParser class comment
- [Perf] Windows/x64: 3 Regressions on 6/5/2026 10:45:00 PM +00:00
- [API Proposal] DI Source Generator
- Fix null return condition in NullableConverter<T>.OnTryRead
- JIT: fix FitsIn<int32_t> assert in BitOperations.Rotate{Left,Right} const-fold
- Validate invalid base type declarations in ILVerify
- Docs
- C# not yet supported