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dotnet/aspnetcore

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

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 (37,933 stars)
Forks
 (10,653 forks)
Indexed issues
 (156 indexed issues)
open beginner issues
 (148 open beginner issues)
Latest indexed
Jun 10, 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 16d 9h) (258 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

148 open indexed issues

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Open
[Blazor] Throw meaningful exception for JSRuntime calls that timeout
Pillar: Technical Debtaffected-fewarea-blazorbugcost: Sfeature-blazor-jsinteropfeature-blazor-wasmgood first issuehelp wantedreevaluateseverity-major

dotnet/aspnetcore #21,384 opened Apr 30, 2020 · C# · 37,933 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
6 comments5 reactions1 assignee
Open
LoadAsync on Session - when _isNewSessionKey is true
Perfaffected-fewarea-middlewarebreaking-changeenhancementhelp wantedseverity-nice-to-have

dotnet/aspnetcore #20,898 opened Apr 16, 2020 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments0 reactions0 assignees
Open
Microsoft.AspNetCore.SpaServices.Extensions is undocumented
Docsaffected-mediumarea-ui-renderingenhancementfeature-spahelp wantedseverity-major

dotnet/aspnetcore #19,098 opened Feb 17, 2020 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments14 reactions0 assignees
Open
Request to make Kestrel BadHttpRequestException.Reason public
affected-very-fewarea-networkingenhancementfeature-kestrelhelp wantedseverity-nice-to-have

dotnet/aspnetcore #17,804 opened Dec 12, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
8 comments0 reactions0 assignees
Open
allow setting permissions on unix sockets
affected-very-fewarea-networkingenhancementfeature-kestrelgood first issuehelp wantedseverity-nice-to-have

dotnet/aspnetcore #17,706 opened Dec 9, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
10 comments3 reactions0 assignees
Open
Add Java client transport fallback
affected-mediumarea-signalrenhancementfeature-client-javahelp wantedseverity-minor

dotnet/aspnetcore #14,172 opened Sep 19, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments1 reaction0 assignees
Open
SignalR (Client) UWP Background Support
Needs: Designaffected-very-fewarea-signalrenhancementhelp wantedseverity-nice-to-have

dotnet/aspnetcore #13,613 opened Sep 2, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Include valid/invalid state in ValidationStateChangedEventArgs
Pillar: Complete Blazor Webaffected-mediumarea-blazorenhancementfeature-blazor-builtin-componentshelp wantedseverity-major

dotnet/aspnetcore #13,413 opened Aug 24, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments11 reactions0 assignees
Open
Detect IIS in-proc from UseKestrel
affected-very-fewarea-networkingenhancementhelp wantedseverity-nice-to-have

dotnet/aspnetcore #13,145 opened Aug 14, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments0 reactions0 assignees
Open
Non-HTTP TLS connection middleware
affected-fewarea-networkingenhancementhelp wantedseverity-nice-to-have🥌 Bedrock

dotnet/aspnetcore #12,809 opened Aug 1, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
9 comments9 reactions0 assignees
Open
EditForm: Add method to submit form async
Pillar: Complete Blazor Webaffected-fewarea-blazorenhancementfeature-blazor-builtin-componentshelp wantedseverity-minor

dotnet/aspnetcore #10,953 opened Jun 6, 2019 · C# · 37,933 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments11 reactions0 assignees
Open
Blazor: bind-value-oninput or bind does not work with contenteditable divs
Pillar: Complete Blazor WebPriority:2affected-fewarea-blazorenhancementfeature-blazor-component-modelfeature-razor.languagehelp wantedon-roadmapseverity-nice-to-have

dotnet/aspnetcore #9,974 opened May 4, 2019 · C# · 37,933 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
24 comments69 reactions2 assignees
Open
Follow links when disconnecting
affected-mediumarea-blazorenhancementfeature-blazor-servergood first issuehelp wantedseverity-major

dotnet/aspnetcore #9,964 opened May 4, 2019 · C# · 37,933 stars

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