Repository Issues

dotnet/runtime

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

Stars
 (17,886 stars)
Forks
 (5,445 forks)
Indexed issues
 (385 indexed issues)
open beginner issues
 (364 open beginner issues)
Latest indexed
Jun 11, 2026
Last GitHub push
May 15, 2026
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
C#
PR merge metrics
 (Avg merge 12d 11h) (661 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

364 open indexed issues

Open
Unexplained ref count sorting for ARM only
area-CodeGen-coreclrhelp wanted

dotnet/runtime #10,365 opened May 22, 2018 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
[Ping] Unix - some problems in ping API
area-System.Netbughelp wantedtenet-compatibility

dotnet/runtime #927 opened Apr 9, 2018 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
30 comments8 reactions0 assignees
Open
Use system proxy configuration on macOS
area-System.Net.Httpenhancementhelp wantedos-mac-os-x

dotnet/runtime #24,799 opened Jan 25, 2018 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
17 comments1 reaction0 assignees
Open
Merge Address Mode emit helpers to a single method
area-CodeGen-coreclrenhancementhelp wanted

dotnet/runtime #9,534 opened Jan 11, 2018 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
5 comments1 reaction0 assignees
Open
Regex - Support Possessive Quantifiers
area-System.Text.RegularExpressionsenhancementhelp wanted

dotnet/runtime #24,381 opened Dec 7, 2017 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
9 comments5 reactions0 assignees
Open
Go over ILVerify TODOs
Priority:3area-Tools-ILVerificationhelp wanted

dotnet/runtime #37,394 opened Nov 19, 2017 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Unit tests are failing if IPv6 is not configured
area-System.Nethelp wantedtest-bug

dotnet/runtime #23,798 opened Oct 10, 2017 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
13 comments0 reactions0 assignees
Open
JIT: Optimize epilog generation
JitUntriagedarea-CodeGen-coreclrenhancementhelp wantedoptimizationtenet-performance

dotnet/runtime #8,883 opened Sep 6, 2017 · C# · 17,886 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment4 reactions0 assignees
Open
Jit x86: improve codegen for compares with long statics
arch-x86area-CodeGen-coreclrenhancementhelp wantedoptimizationtenet-performance

dotnet/runtime #8,555 opened Jul 14, 2017 · C# · 17,886 stars

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