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
- Measured allocations randomly zero
- HttpWebRequest.GetRequestStream() still hangs in .net 9.0.8
- [API Proposal]: Allow a custom IP lookup function for `HttpClient`.
- [Asyncv2] Exception.ToString UI experience
- [NAOT][android] Application linking breaks with NDK r29 because of duplicated libunwind symbols
- SIGABRT "Cannot transition thread [xxxx] from RUNNING with DONE_BLOCKING" in .NET `9.0.10` on Android.
- Allocation Rate / GC.GetTotalAllocatedBytes() stops updating
- [Perf] Linux/x64: 17 Regressions on 1/23/2026 10:32:11 PM +00:00
- Improve deserialization of JSON primitives into JsonElement
- [Perf] Linux/x64: 32 Regressions on 6/4/2025 5:12:34 PM +00:00
- Docs
- C# not yet supported