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

633 open indexed issues

Open
Branchless codegen for lifted nullable operators in VB
Area-CompilersCode Gen QualityLanguage-VBhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #26008 · Apr 6, 2018 · C# · 20,414 stars

1 comment0 reactions0 assignees
Open
Decompilation should put new lines between blocks
Area-IDEIDE-Formatterhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #25303 · Mar 7, 2018 · C# · 20,414 stars

16 comments0 reactions0 assignees
Open
FAQ links are broken?
Area-CompilersDocumentationhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #25158 · Mar 1, 2018 · C# · 20,414 stars

6 comments1 reaction0 assignees
Open
Pressing SHIFT+ENTER in Immediate window crashes editor
Area-InteractiveBugTenet-Reliabilityhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #25051 · Feb 26, 2018 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Shortcomings in computing diagnostics for extension methods
Area-CompilersBugConcept-Design DebtConcept-Diagnostic Clarityhelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #24787 · Feb 12, 2018 · C# · 20,414 stars

0 comments0 reactions0 assignees
Open
Highlight References not symmetric in Tuples
Area-IDEBugDeveloper Communityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #24268 · Jan 16, 2018 · C# · 20,414 stars

2 comments0 reactions0 assignees
Open
Document encoding gets lost on Project.AddDocument
Area-AnalyzersBughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #24045 · Jan 4, 2018 · C# · 20,414 stars

13 comments1 reaction0 assignees
Open
One missing closing bracket creates dozens of errors
Area-CompilersBugConcept-Diagnostic ClarityDeveloper CommunityLanguage-VBhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #24028 · Jan 4, 2018 · C# · 20,414 stars

1 comment0 reactions0 assignees