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
- Avoid automatic canonical SIMD instantiations in crossgen2
- Linux: HMAC instance creation/disposal regressed 29–33% between .NET 11 preview 4 and RC2
- Initialize region mappings from UTF-8 constant data
- JIT: Give up parsing array addresses with a non-multiple constant offset
- Avoid restoration fixups for ReadyToRun type tokens
- Add BrotliDecompressionOptions to support Large Window Brotli decompression
- SIGSEGV (si_addr 0x10, SEGV_MAPERR) on linux-arm64 containers: a tree-owned Godot node's native object is disposed under its live C# wrapper ~20–60 min into a headless server run (dumps available)
- Prepare ReadyToRun call signatures before publishing targets
- Proposal: Unique, reversable name mangling / sanitization for ilc and crossgen2 symbols
- [Perf] Linux/x64: 7 Regressions on 10/8/2026 8:17:05 PM +00:00
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- C# not yet supported