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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
 (638 indexed issues)
open beginner issues
 (633 open beginner issues)
Latest indexed
Aug 14, 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

633 open indexed issues

Open
CodeLens References not shown
Area-IDEBugCodeLensDeveloper CommunityIDE-IntelliSensehelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / roslyn · #39615 · Oct 31, 2019 · C# · 20,414 stars

14 comments8 reactions1 assignee
Open
Test VB case sensitive behavior vs the specification
Area-CompilersLanguage-VBTestTest-Gaphelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #39087 · Oct 5, 2019 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Editorconfig naming convention for tuple element names
Area-IDEConcept-Continuous Improvementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #38705 · Sep 16, 2019 · C# · 20,414 stars

5 comments6 reactions0 assignees
Open
Allow the renaming of nested partial class files
Area-IDEBugConcept-Continuous ImprovementDeveloper CommunityFeature - Renamehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #38262 · Aug 23, 2019 · C# · 20,414 stars

3 comments0 reactions0 assignees
Open
IDE0059 introduces unnecessary local
Area-IDEBugFeature - IDE0059IDE-CodeStylehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #38044 · Aug 16, 2019 · C# · 20,414 stars

3 comments0 reactions0 assignees