Repository Issues

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
 (639 indexed issues)
open beginner issues
 (631 open beginner issues)
Latest indexed
Aug 21, 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
 (PR metrics pending)
Beginner labels
help wanted

Issues

639 indexed issues

Open
Slice can be simplified does not produce the same code
Area-CompilersCode Gen QualityFeature - Rangehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #47629 · Sep 11, 2020 · C# · 20,414 stars

10 comments5 reactions0 assignees
Open
Misleading error for await in the watch window
Area-InteractiveBughelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #46795 · Aug 13, 2020 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Code lens is placed on wrong line
Area-IDEBugCodeLenshelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #46352 · Jul 27, 2020 · C# · 20,414 stars

8 comments0 reactions0 assignees
Open
Signature help for delegate types
Area-IDEIDE-IntelliSensehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #46190 · Jul 21, 2020 · C# · 20,414 stars

42 comments5 reactions0 assignees
Open
CodeLens report 0 references for attributes not using constructor
Area-IDECodeLensConcept-Continuous ImprovementDeveloper CommunityIDE-Navigationhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #46089 · Jul 17, 2020 · C# · 20,414 stars

3 comments0 reactions0 assignees