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
- [Perf] Linux/arm64: 9 Regressions on 6/24/2026 7:31:32 AM +00:00
- Fix xarch instruction size estimates
- Fix X509 validity comparisons depending on process time zone
- [API Proposal]: JsonUnionTypeStructuralClassifier for structural union discrimination
- Running wasm with R2R'd System.Private.CoreLib
- Test failure: Microsoft.AspNetCore.Hosting.FunctionalTests.ShutdownTests.ShutdownTestRun
- Versioning issue with ComInterop and async variants
- [API Proposal]: Base64Url option to emit padding
- [API Proposal]: HybridCache computed tags
- Support devirtualization for virtual methods that require runtime lookups
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- C# not yet supported