Repository Issues

dotnet/runtime

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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Stars
 (17,886 stars)
Forks
 (5,445 forks)
Indexed issues
 (385 indexed issues)
open beginner issues
 (354 open beginner issues)
Latest indexed
Jun 11, 2026
Last GitHub push
May 15, 2026
License
MIT License
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
C#
PR merge metrics
 (Avg merge 12d 11h) (661 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

31 closed indexed issues

Closed
Optimization of modulo 7 in `DateTime.DayOfWeek`
area-System.DateTimehelp wantedtenet-performance
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #115279 · May 4, 2025 · C# · 17,886 stars

20 comments6 reactions1 assignee
Closed
C# value discard leads to range check for happy path
Priority:3area-CodeGen-coreclrhelp wantedtenet-performance
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #99943 · Mar 19, 2024 · C# · 17,886 stars

4 comments1 reaction1 assignee
Closed
Optimize Half.CompareTo
area-System.Runtimehelp wantedtenet-performance
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #43117 · Oct 6, 2020 · C# · 17,886 stars

4 comments0 reactions0 assignees