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
Support implicit TLS for SMTP client
area-System.Net.Securityenhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #71304 · Jun 26, 2022 · C# · 17,886 stars

3 comments0 reactions0 assignees
Open
Review and update `ryujit-tutorial.md`
area-CodeGen-coreclrhelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #69988 · May 30, 2022 · C# · 17,886 stars

2 comments0 reactions1 assignee
Open
Have more C++ intrinsics usage in runtime and JIT
area-CodeGen-coreclrhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #69401 · May 16, 2022 · C# · 17,886 stars

1 comment1 reaction0 assignees
Open
NativeAOT: Run-time simd checking
area-CodeGen-coreclrhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #68110 · Apr 16, 2022 · C# · 17,886 stars

7 comments0 reactions0 assignees
Open
Remove JIT-workaround for eliminating bound check
area-CodeGen-coreclrenhancementhelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / runtime · #67044 · Mar 23, 2022 · C# · 17,886 stars

12 comments3 reactions1 assignee
Open
Set process priority to use efficiency cores.
api-needs-workarea-System.Diagnostics.Processhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #66417 · Feb 11, 2022 · C# · 17,886 stars

13 comments1 reaction0 assignees
Open
Improve File.Move performance
area-System.IOhelp wantedtenet-performance
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #65092 · Feb 9, 2022 · C# · 17,886 stars

9 comments2 reactions0 assignees