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
Implement io_uring support for FileStream
area-System.IOhelp wantedtenet-performance

dotnet/runtime #51,985 opened Apr 28, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
22 comments78 reactions0 assignees
Open
HTTP/3: QPack dynamic compression and decompression
area-System.Net.Httpenhancementhelp wantedtenet-performance

dotnet/runtime #49,561 opened Mar 12, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
8 comments0 reactions0 assignees
Open
Expose XmlTextReaderImpl.Normalization
api-suggestionarea-System.Xmlhelp wanted

dotnet/runtime #49,418 opened Mar 10, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
15 comments1 reaction0 assignees
Open
System.Console.ReadKey fails in MSYS' console mintty
area-System.Consolebughelp wantedos-linux

dotnet/runtime #49,210 opened Mar 5, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
ProductVersion property's meaning is ambiguous
area-Infrastructure-installerhelp wanted

dotnet/runtime #48,341 opened Feb 16, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
8 comments0 reactions0 assignees
Open
Consolidate PackageVersion properties
area-Infrastructurehelp wanted

dotnet/runtime #48,229 opened Feb 12, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
APP_POOL_WAS perfomanceCounter always returns 0
area-System.Diagnostics.PerformanceCounterbacklog-cleanup-candidatehelp wantedno-recent-activity

dotnet/runtime #47,636 opened Jan 29, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Null checks in incorrect order in Cordb::Terminate
area-Diagnostics-coreclrhelp wanted

dotnet/runtime #47,463 opened Jan 26, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
5 comments0 reactions0 assignees
Open
Enable ILLink for all library configurations
area-Infrastructure-librariesdiscussionhelp wantedlinkable-framework

dotnet/runtime #47,424 opened Jan 25, 2021 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
11 comments1 reaction0 assignees