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dotnet/roslyn

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

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Stars
 (20,414 stars)
Forks
 (4,257 forks)
Indexed issues
 (636 indexed issues)
open beginner issues
 (629 open beginner issues)
Latest indexed
Jul 24, 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 6d 17h) (256 merged PRs in 30d)
Beginner labels
help wanted

Issues

632 open indexed issues

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Open
Text Editor: wrong indention
Area-IDEBugDeveloper CommunityIDE-Formatterhelp wanted

dotnet/roslyn #30,531 opened Oct 16, 2018 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Code fix suggestion: fix return type
Area-IDEhelp wanted

dotnet/roslyn #29,677 opened Sep 5, 2018 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments5 reactions0 assignees
Open
Property patterns and dynamic
Area-CompilersBugConcept-Diagnostic ClarityFeature - Pattern Matchinghelp wanted

dotnet/roslyn #28,933 opened Jul 29, 2018 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
Copy Paste Indent Level Wrong
Area-IDEBugDeveloper Communityhelp wanted

dotnet/roslyn #28,868 opened Jul 26, 2018 · C# · 20,414 stars

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