Repository Issues

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
 (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
=>增加格式化对齐-=> increase formatting alignment
Area-IDEBugDeveloper CommunityIDE-Formatterhelp wanted

dotnet/roslyn #37,332 opened Jul 18, 2019 · 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
IDE0016 codefix can change behaviour
Area-AnalyzersBugFeature - IDE0016help wanted

dotnet/roslyn #36,177 opened Jun 5, 2019 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
13 comments0 reactions0 assignees
Open
Dictionary of tuple shows wrong value while debugging
Area-InteractiveBugDeveloper CommunityInteractive-Debugginghelp wanted

dotnet/roslyn #35,925 opened May 23, 2019 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments1 reaction0 assignees
Open
Explicit conversion in foreach is incorrect
Area-CompilersBughelp wanted

dotnet/roslyn #35,918 opened May 23, 2019 · 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
SyntaxFactory and discards
Area-CompilersConcept-APIFeature Requesthelp wanted

dotnet/roslyn #35,558 opened May 7, 2019 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments1 reaction0 assignees
Open
InteliSence character c# not match japanese
Area-IDEBugDeveloper CommunityIDE-IntelliSenseTenet-Globalizationhelp wanted

dotnet/roslyn #35,188 opened Apr 22, 2019 · C# · 20,414 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments0 reactions0 assignees
Open
VS2019 Not Using Roslyn Compiler From VSIX
Area-CompilersArea-InfrastructureBughelp wanted

dotnet/roslyn #34,817 opened Apr 6, 2019 · C# · 20,414 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
1 comment0 reactions1 assignee
Open
Inline temporary variable with multiple assignments
Area-IDEBugIDE-CodeStylehelp wanted

dotnet/roslyn #34,753 opened Apr 4, 2019 · 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
Improve IDE0059 code fix for TryGetValue
Area-IDEFeature - IDE0059help wanted

dotnet/roslyn #34,446 opened Mar 26, 2019 · 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
Move to new file doesn't honor charset in .editorconfig
Area-IDEBugFeature - Editor Confighelp wanted

dotnet/roslyn #34,200 opened Mar 17, 2019 · C# · 20,414 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments2 reactions0 assignees
Open
Consider new warning for unobserved async-iterator call
Area-CompilersBugConcept-Diagnostic ClarityFeature - Async Streamshelp wanted

dotnet/roslyn #33,939 opened Mar 7, 2019 · 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