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
 (636 indexed issues)
open beginner issues
 (629 open beginner issues)
Latest indexed
Jul 17, 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
Cascaded diagnostic when label not found.
Area-CompilersBugConcept-Diagnostic ClarityLanguage-C#help wanted

dotnet/roslyn #5,243 opened Sep 15, 2015 · C# · 20,414 stars

Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelContributing guide available
0 comments1 reaction1 assignee
Open
Duplicate (confusing) CS0455 error
Area-CompilersBugConcept-Diagnostic Clarityhelp wanted

dotnet/roslyn #5,053 opened Sep 7, 2015 · C# · 20,414 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Override Equals in subtypes of DiagnosticInfo
Area-CompilersBugConcept-Continuous Improvementhelp wanted

dotnet/roslyn #4,786 opened Aug 25, 2015 · 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
Refactor code in C# and VB SyntaxFacts
Area-CompilersFeature RequestTenet-Performancehelp wanted

dotnet/roslyn #4,647 opened Aug 19, 2015 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
Remove unneccessary instructions from variable-less filter
Area-CompilersConcept-Continuous ImprovementFeature Requesthelp wanted

dotnet/roslyn #4,388 opened Aug 6, 2015 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
A CoreCLR JIT test fails to compile with Roslyn
Area-InteractiveInteractive-EnChelp wanted

dotnet/roslyn #3,915 opened Jul 12, 2015 · 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
Open
Add /pdb:file option to vbc.exe
Area-CompilersFeature Requesthelp wanted

dotnet/roslyn #3,859 opened Jul 7, 2015 · C# · 20,414 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments1 reaction0 assignees