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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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 (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

631 open indexed issues

Open
Signature help not offered in positional pattern.
Area-CompilersArea-IDEBugFeature - Pattern MatchingLanguage-C#help wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #9101 · Feb 23, 2016 · C# · 20,414 stars

2 comments0 reactions0 assignees
Open
Make VB Compiler API related to VB scripting public again
Area-InteractiveInteractive-ScriptingLogicLanguage-VBhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #9063 · Feb 23, 2016 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
csi auto or tab completion for dynamic objects
Area-InteractiveFeature Requesthelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #8720 · Feb 15, 2016 · C# · 20,414 stars

0 comments2 reactions0 assignees
Open
Syntax Normalizer ignores trivia when normalizing
Area-CompilersBugConcept-APIhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #8536 · Feb 10, 2016 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Unhandled ambiguity in doc comment completion
Area-IDEhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #8326 · Feb 2, 2016 · C# · 20,414 stars

2 comments0 reactions0 assignees
Open
Rename doesn't resolve conflict via callsite cast
Area-IDEFeature - Renamehelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #8296 · Feb 2, 2016 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
runtimemetadataversion parameter not documented
Area-CompilersConcept-Diagnostic ClarityDocumentationhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #7864 · Jan 9, 2016 · C# · 20,414 stars

0 comments1 reaction0 assignees
Open
Implement INamedTypeSymbol.IsImplicitClass in VB
Area-InteractiveBugInteractive-ScriptingLogicLanguage-VBhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #7305 · Dec 7, 2015 · C# · 20,414 stars

4 comments0 reactions0 assignees
Open
Code Style: Code fixes for xml doc comments
Area-IDEInternalAskhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #7070 · Nov 25, 2015 · C# · 20,414 stars

28 comments3 reactions0 assignees