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
Prefer ValueTuple over Tuple
api-approvedarea-System.Runtimecode-analyzercode-fixerhelp wantedpartner-impact

dotnet/runtime #33,791 opened Mar 19, 2020 · 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
Open
Use async name resolution on Linux
area-System.Netenhancementhelp wantedos-linuxtenet-performance

dotnet/runtime #33,378 opened Mar 9, 2020 · C# · 17,886 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
8 comments1 reaction1 assignee
Open
[mono] MonoImage->references reads should be atomic
area-VM-meta-monogood first issueruntime-mono

dotnet/runtime #32,889 opened Feb 26, 2020 · 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
Support using any dictionary as JsonExtensionData
area-System.Text.Jsonenhancementhelp wantedwishlist

dotnet/runtime #31,645 opened Feb 3, 2020 · C# · 17,886 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
23 comments8 reactions1 assignee
Open
PipeReader.AdvanceTo throws InvalidCastException
area-System.IO.Pipelineshelp wanted

dotnet/runtime #849 opened Dec 13, 2019 · 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
Initializing the "ja" culture takes 200ms when using ICU
area-System.Globalizationhelp wantedos-linuxtenet-performance

dotnet/runtime #31,273 opened Oct 23, 2019 · C# · 17,886 stars

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