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This repository contains .NET Documentation.

Stars: 4.8k
Forks: 6.1k
Open beginner issues: 0
Indexed issues: 869
Avg merge: 15h 21m
Merged PRs (30d): 370

Dominant language: No language data
License: CC-BY-4.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

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862 open issues indexed

[Breaking change]: .NETStandard 1.0 / .NET Core 1.x packages will be deprecated Open

:watch: Not Triaged breaking-change

dotnet/docs#51561 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 15, 2026
Freshness Pass Open

okr-freshness

dotnet/docs#51732 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
System.Text.Json source generation sample does not work anymore Open

dotnet-fundamentals/svc

dotnet/docs#51748 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[C# 15-Fundamentals and reference]: New Feature - Unsafe evolution Open

:checkered_flag: Release: .NET 11 dotnet-csharp/svc whats-new/subsvc

dotnet/docs#51988 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[New article]: Community Toolkit docs for vector DB providers/connectors Open

:pushpin: seQUESTered :watch: Not Triaged

dotnet/docs#52081 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Review MCP SDK docs Open

:pushpin: seQUESTered

dotnet/docs#52088 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[C# 15-Fundamentals and reference]: New Feature - unions Open

:checkered_flag: Release: .NET 11 :pushpin: seQUESTered dotnet-csharp/svc whats-new/subsvc

dotnet/docs#52320 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
ModelBuilder NER is badly described Open

:watch: Not Triaged dotnet-ml/svc

dotnet/docs#52844 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Mixed root-level option pipeline with a nested command pipeline is confusing Open

:watch: Not Triaged dotnet-fundamentals/svc

dotnet/docs#52980 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
BuildServiceProvider does not activate service Open

:pushpin: seQUESTered dotnet-fundamentals/svc

dotnet/docs#53177 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
What's new in .NET 11 Preview 5 Open

:pushpin: seQUESTered :world_map: mapQUEST

dotnet/docs#53502 · 0 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
OneOrMore Example is wrong Open

:pushpin: seQUESTered dotnet-csharp/svc lang-reference/subsvc

dotnet/docs#53522 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
What's new in .NET 11 RC 2 Open

:watch: Not Triaged

dotnet/docs#53529 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
What's new in .NET 11 GA Open

:watch: Not Triaged

dotnet/docs#53530 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Repo chores - September 2026 Open

:pushpin: seQUESTered

dotnet/docs#53533 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Repo chores - October 2026 Open

:watch: Not Triaged

dotnet/docs#53534 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Repo chores - November 2026 Open

:watch: Not Triaged

dotnet/docs#53535 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Repo chores - December 2026 Open

:watch: Not Triaged

dotnet/docs#53536 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Docs: clarify IOptionsSnapshot<T> performance characteristics Open

:watch: Not Triaged

dotnet/docs#53890 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Why is this a prediction when the data output is already present in the database Open

:watch: Not Triaged dotnet-ml/svc

dotnet/docs#53990 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[C# 15-Fundamentals and reference]: Update on unions Open

:checkered_flag: Release: .NET 11 :pushpin: seQUESTered dotnet-csharp/svc whats-new/subsvc

dotnet/docs#54001 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[C# 15-Fundamentals]: New Feature - Closed hierarchies Open

:checkered_flag: Release: .NET 11 :pushpin: seQUESTered dotnet-csharp/svc whats-new/subsvc

dotnet/docs#54014 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Update RID article with the smaller RID graph Open

dotnet-fundamentals/svc

dotnet/docs#54090 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
The System.Text.Json source generator docs contain examples using JsonSerializerOptions overloads Open

dotnet/docs#54104 · 1 comment · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Examples have non-recommend value Open

dotnet-csharp/svc lang-reference/subsvc

dotnet/docs#54202 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
IPNetwork has breaking change Open

dotnet-fundamentals/svc waiting-on-feedback

dotnet/docs#54363 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Breaking change]: Native AOT now throws InvalidProgramException for [UnmanagedCallersOnly] methods with non-blittable parameters when runtime marshalling is enabled Open

:watch: Not Triaged breaking-change

dotnet/docs#54647 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[C# 15-Fundamentals and reference]: Fundamentals for labeled `break` and `continue` Open

:checkered_flag: Release: .NET 11 :pushpin: seQUESTered dotnet-csharp/svc whats-new/subsvc

dotnet/docs#54655 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
The new .NET 10 feature for passing struct fields in registers does not appear to be working as advertized Open

:watch: Not Triaged dotnet-fundamentals/svc

dotnet/docs#54736 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`Microsoft.Extensions.StaticAnalysis` should be mentioned/encouraged in this documentation Open

:watch: Not Triaged dotnet-fundamentals/svc

dotnet/docs#54749 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Missing info about file globbing Open

dotnet-fundamentals/svc

dotnet/docs#54756 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Missing information on the connection string page in Microsoft.Data.Sqlite when SqliteConnectionStringBuilder.Pooling=true Open

:watch: Not Triaged

dotnet/docs#55017 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Missing Windows Server 2025 specific entry Open

waiting-on-feedback

dotnet/docs#55103 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
BC30451 Open

dotnet-visual-basic/svc errors-warnings/subsvc

dotnet/docs#55327 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Wrong Numer Description On .Net Standard 1.1 Open

dotnet/svc standard-library/subsvc

dotnet/docs#55362 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Difference in car type in the same example Open

dotnet-csharp/svc fundamentals/subsvc

dotnet/docs#55433 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Server Error Runtime problem Open

dotnet/docs#55458 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Create or update conceptual docs for new System.Text.Json features in .NET 11 Open

:pushpin: seQUESTered

dotnet/docs#55465 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
OTEL article could use more information to help coding Open

:pushpin: seQUESTered dotnet-fundamentals/svc

dotnet/docs#55622 · 0 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
Last example in Enumeration extension methods article is missing some output Open

dotnet-csharp/svc fundamentals/subsvc in-pr

dotnet/docs#55626 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Default severity of IDE0390-0391 isn't available Open

:watch: Not Triaged dotnet-fundamentals/svc

dotnet/docs#55638 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Breaking change]: Empty strings in chained configuration now override earlier providers Open

:watch: Not Triaged breaking-change

dotnet/docs#55653 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Breaking change]: Dependency injection scope disposal aggregates exceptions Open

:watch: Not Triaged breaking-change

dotnet/docs#55654 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Breaking change]: Combined Uri breaking changes for .NET 11 Open

:pushpin: seQUESTered breaking-change

dotnet/docs#55744 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
osバージョン26H1の.NET3.5を有効化 Open

:watch: Not Triaged dotnet-framework/svc install-deployment/subsvc

dotnet/docs#55766 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Breaking change]: .NET SDK will skip full build for AOT publish Open

:watch: Not Triaged breaking-change

dotnet/docs#55769 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Breaking change]: Generated WMI wrappers implement IDisposable Open

:watch: Not Triaged breaking-change

dotnet/docs#55779 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
`DynamicCodeSupport` feature switch is undocumented. Open

:pushpin: seQUESTered dotnet-fundamentals/svc

dotnet/docs#55795 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
"Events provide optional notifications" code sample incomplete Open

:pushpin: seQUESTered dotnet-csharp/svc fundamentals/subsvc

dotnet/docs#55878 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
CS0027: (undocumented) new cause Open

:pushpin: seQUESTered dotnet-csharp/svc errors-warnings/subsvc

dotnet/docs#55881 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026

dotnet/docs

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