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.

3,635 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
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
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
Closed
Show label on mouseover in MudTextField
enhancementgood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

MudBlazor / MudBlazor · #12499 · Jan 22, 2026 · C# · 10,394 stars

2 comments0 reactions0 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
Open
Publish Output Performance
enhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

ElectronNET / Electron.NET · #979 · Dec 12, 2025 · C# · 7,040 stars

16 comments2 reactions0 assignees