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 24, 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
Invalid IDE0059 Suggestion
Area-IDEBugDeveloper CommunityFeature - IDE0059IDE-CodeStylehelp wanted

dotnet/roslyn #44,010 opened May 6, 2020 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments0 reactions0 assignees
Open
C# Editor Formatting - Set spacing for brackets
Area-IDEBugIDE-Formatterhelp wanted

dotnet/roslyn #43,448 opened Apr 17, 2020 · 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
Unclear error message for pointer types in pattern matching
Area-CompilersConcept-Diagnostic ClarityFeature - Pattern Matchinghelp wanted

dotnet/roslyn #43,339 opened Apr 14, 2020 · 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
Suboptimal code for matching nullable value to constant pattern
Area-CompilersCode Gen QualityFeature - Pattern MatchingFeature Requesthelp wanted

dotnet/roslyn #42,912 opened Mar 30, 2020 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
VB disregards CultureInfo on DateTime evaluation
Area-InteractiveBugInteractive-DebuggingLanguage-VBhelp wanted

dotnet/roslyn #42,906 opened Mar 30, 2020 · 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
VB editor doesn't highlight syntax errors in lambdas
Area-CompilersConcept-Diagnostic Clarityhelp wanted

dotnet/roslyn #42,857 opened Mar 27, 2020 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments0 reactions0 assignees