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 supported164 Subscribers
View all SubscribersAdd a CodeTriage badge to runtime
Help out
- Issues
- Deduplicate ZipArchive sync/async implementation
- Reduce code duplication across sync/async in ZIP and TAR
- Zip64 Data Descriptor Bug on Non-Seekable Streams
- SocketsHttpHandler TLS handshake fails with 'Broken pipe' over IPv6 on macOS 26 Tahoe (.NET 10)
- [Perf] Linux/arm64: 2 Regressions on 4/13/2026 11:16:41 PM +00:00
- Optimize ImmutableHashSet<T>.IsProperSubsetOf to avoid unnecessary allocations
- After installing .NET 11, some Chinese characters are displayed as question marks
- [SRM] Optimize building the blob heap.
- Managed ilasm: comprehensive parity fixes with native ilasm
- [API Proposal]: Add sliding expiration to `HybridCacheEntryOptions`
- Docs
- C# not yet supported