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
 (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

638 indexed issues

Open
Bad error message on const ref fields
Area-CompilersBugConcept-Diagnostic ClarityFeature - Ref Locals and Returnshelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #17125 · Feb 14, 2017 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
CSI Does not respect CurrentUiCulture
Area-InteractiveInteractive-ScriptingIDEhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #17043 · Feb 8, 2017 · C# · 20,414 stars

9 comments1 reaction0 assignees
Open
static readonly autoimplemented property
Area-CompilersBugConcept-Diagnostic Clarityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #16647 · Jan 20, 2017 · C# · 20,414 stars

4 comments2 reactions0 assignees
Open
Bad comment
Area-CompilersDocumentationhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #15589 · Nov 29, 2016 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Add IParameterSymbol.IsImplicitValueParameter API
Area-CompilersConcept-APIFeature Requesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #14275 · Oct 4, 2016 · C# · 20,414 stars

4 comments0 reactions0 assignees
Open
Bad diagnostic for OrElse operator with nullable types
Area-CompilersBugCommunityConcept-Diagnostic Clarityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #14098 · Sep 27, 2016 · C# · 20,414 stars

3 comments0 reactions0 assignees
Open
Roslyn rejects \U unicode characters in identifiers
Area-CompilersBugLanguage-C#Tenet-Localizationhelp wanted
Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #13560 · Sep 2, 2016 · C# · 20,414 stars

0 comments0 reactions1 assignee