Curated Issues

C# Good First Issues

Browse open source issues tagged with C# in the issue metadata. Results stay focused on work that can become public contribution evidence.

3,421 matching issues

C#

Slice signals

  • Average annotated difficulty: 2.5/5 across 3,635 issues.
  • 80% of 3,635 time estimates are one day or less.
Open
[Chore] Build Paramore Analyzer
.NET0 - BacklogAgent FriendlyV10.Xfeature requesthelp wantedsecurity
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

BrighterCommand / Brighter · #4021 · Feb 19, 2026 · HTML · 1,898 stars

0 comments0 reactions0 assignees
Open
Improve CS9105 in static context
Area-CompilersConcept-Diagnostic ClarityFeature - Primary Constructorshelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #82423 · Feb 16, 2026 · C# · 20,414 stars

4 comments0 reactions0 assignees
Open
improve CS9293 message to show it's about "static"
Area-CompilersConcept-Diagnostic ClarityFeature - Extension Everythinghelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

dotnet / roslyn · #82351 · Feb 10, 2026 · C# · 20,414 stars

8 comments0 reactions1 assignee
Open
Greenshot gets blocked by Windows Security
help wantedno-stack-trace
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

greenshot / greenshot · #941 · Feb 10, 2026 · C# · 3,629 stars

2 comments0 reactions0 assignees
Open
Official Migration Guide
enhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

ardalis / CleanArchitecture · #992 · Jan 27, 2026 · C# · 18,176 stars

1 comment0 reactions0 assignees
Open
Remove some `IsHardFork` logic
Help Wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

neo-project / neo · #4455 · Jan 23, 2026 · C# · 3,433 stars

1 comment1 reaction0 assignees
Open
Jit: Missing folding some compares in optimizebools
area-CodeGen-coreclrhelp wantedtenet-performance
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / runtime · #123291 · Jan 16, 2026 · C# · 17,886 stars

4 comments0 reactions0 assignees
Open
CS0219 not working for non-primitive types
Area-CompilersConcept-Diagnostic Clarityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #81743 · Dec 17, 2025 · C# · 20,414 stars

5 comments1 reaction0 assignees
Open
CS8618 suggests using `required` on events.
Area-CompilersConcept-Diagnostic Clarityhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

dotnet / roslyn · #81679 · Dec 13, 2025 · C# · 20,414 stars

2 comments0 reactions0 assignees