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

385 indexed issues

Open
Deadlock in the Console.OutputEncoding setter
area-System.Consolehelp wantedos-linuxos-mac-os-x
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #83723 · Mar 21, 2023 · C# · 17,886 stars

4 comments0 reactions0 assignees
Open
Expose setting CPU SamplingProfiler rate
area-Tracing-coreclrenhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #82939 · Mar 3, 2023 · C# · 17,886 stars

6 comments13 reactions0 assignees
Open
F# typeof comparison suboptimal codegen
area-CodeGen-coreclrhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #82394 · Feb 20, 2023 · C# · 17,886 stars

13 comments1 reaction0 assignees
Open
Support recognizing `Blend` as commutative
area-CodeGen-coreclrhelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #82365 · Feb 19, 2023 · C# · 17,886 stars

5 comments2 reactions2 assignees
Open
[JIT] Sub-optimal chained bool optimization
area-CodeGen-coreclrhelp wantedtenet-performance
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #81442 · Jan 31, 2023 · C# · 17,886 stars

4 comments0 reactions0 assignees
Open
[JIT] Bool optimization case
area-CodeGen-coreclrhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #80966 · Jan 21, 2023 · C# · 17,886 stars

2 comments1 reaction0 assignees
Open
[NativeAOT] Signalless Hijack
area-NativeAOT-coreclrhelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #78724 · Nov 22, 2022 · C# · 17,886 stars

7 comments0 reactions1 assignee
Open
Analyzer for STAThread attribute applied to async Main
api-approvedarea-System.Threading.Taskscode-analyzerhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #78502 · Nov 17, 2022 · C# · 17,886 stars

3 comments7 reactions0 assignees
Open
Improve logging of JitStressRegs flags in JitDump
area-CodeGen-coreclrhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #78474 · Nov 16, 2022 · C# · 17,886 stars

1 comment0 reactions0 assignees