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
 (368 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

368 open indexed issues

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Open
Cleanup RegSet::verifyRegUsed
area-CodeGen-coreclrhelp wanted

dotnet/runtime #13,508 opened Sep 30, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
SerialPort error on Virtual Serial Port for USB
area-System.IO.Portshelp wantedos-windows

dotnet/runtime #30,877 opened Sep 17, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
15 comments2 reactions0 assignees
Open
Optimize Math.Pow(X, C) in JIT
area-CodeGen-coreclrhelp wantedoptimization

dotnet/runtime #13,336 opened Aug 29, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
6 comments8 reactions0 assignees
Open
Create a jitstd linked list
JitUntriagedarea-CodeGen-coreclrenhancementhelp wanted

dotnet/runtime #12,371 opened Mar 29, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Indexer.Set of List is much slower than Array
area-CodeGen-coreclrhelp wantedtenet-performance

dotnet/runtime #29,091 opened Mar 27, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments4 reactions0 assignees
Open
ARM/ARM64 returns an incorrect result for `pow(x, 1)`
Priority:3arch-arm32arch-arm64area-System.Numericsbughelp wanted

dotnet/runtime #12,139 opened Feb 27, 2019 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments0 reactions0 assignees