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Improve clarity of the 'Arguments of type dynamic' code snippet

community-contributionIndicates PR is created by someone from the .NET community.Indicates PR is created by someone from the .NET community.

dotnet-csharp/svc

Status: Open (in progress).

dotnet/docsnumber 51550

#51550 In dotnet/docs;

· StuartMosquera opened on Feb 7, 2026

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February 2026

Add Roslyn source generators conceptual overview and incremental generator tutorial

dotnet-csharp/svc

roslyn-sdk/subsvc

Status: Draft (not ready).

dotnet/docsnumber 51546

#51546 In dotnet/docs;

· Copilot opened on Feb 6, 2026

Add missing compiler errors CS8954–CS8956 to using-directive-errors doc

community-contributionIndicates PR is created by someone from the .NET community.Indicates PR is created by someone from the .NET community.

csharp-diagnostics/subsvc

dotnet-csharp/svc

lang-reference/subsvc

Status: Open (in progress).

dotnet/docsnumber 51545

#51545 In dotnet/docs;

· ivanPeshterskii opened on Feb 6, 2026

·  

February 2026

Clarify <code>sizeof</code> rules for unsafe code blocks

dotnet-csharp/svc

lang-reference/subsvc

Status: Open (in progress).

dotnet/docsnumber 51543

#51543 In dotnet/docs;

· BillWagner opened on Feb 6, 2026

·  

February 2026

A line of code is commented when it shouldn't have been

advanced-concepts/subsvc

dotnet-csharp/svc

help wantedGood for community contributors to help [up-for-grabs]Good for community contributors to help [up-for-grabs]

Status: Open.

#51533 In dotnet/docs;

· SignorFior opened on Feb 5, 2026

Address tutorial feedback

dotnet-csharp/svc

Status: Open (in progress).

dotnet/docsnumber 51518

#51518 In dotnet/docs;

· BillWagner opened on Feb 4, 2026

·  

February 2026

Add preview documentation for collection expression parameters

dotnet-csharp/svc

fundamentals/subsvc

lang-reference/subsvc

whats-new/subsvc

Status: Open (in progress).

dotnet/docsnumber 51454

#51454 In dotnet/docs;

· BillWagner opened on Feb 3, 2026

·  

February 2026

[C# 10 diagnostics] New lambda expression and delegate type errors

📌 seQUESTeredIdentifies that an issue has been imported into Quest.Identifies that an issue has been imported into Quest.

dotnet-csharp/svc

errors-warnings/subsvc

Status: Open.

#51447 In dotnet/docs;

· BillWagner opened on Feb 3, 2026

[C# 10 diagnostics] Errors related to CallerArgumentExpressions, Generic attribute types

📌 seQUESTeredIdentifies that an issue has been imported into Quest.Identifies that an issue has been imported into Quest.

dotnet-csharp/svc

errors-warnings/subsvc

Status: Open.

#51446 In dotnet/docs;

· BillWagner opened on Feb 3, 2026

[C#10 diagnostics] File scoped namespace declarations

📌 seQUESTeredIdentifies that an issue has been imported into Quest.Identifies that an issue has been imported into Quest.

dotnet-csharp/svc

errors-warnings/subsvc

Status: Open.

#51445 In dotnet/docs;

· BillWagner opened on Feb 3, 2026

[C# 15-Fundamentals and reference]: New Feature - Collection expression arguments

🏁 Release: .NET 11Work related to .NET 11Work related to .NET 11

📌 seQUESTeredIdentifies that an issue has been imported into Quest.Identifies that an issue has been imported into Quest.

dotnet-csharp/svc

whats-new/subsvc

Status: Open.

#51440 In dotnet/docs;

· BillWagner opened on Feb 3, 2026

Query collection update

community-contributionIndicates PR is created by someone from the .NET community.Indicates PR is created by someone from the .NET community.

csharp-linq/subsvc

dotnet-csharp/svc

Status: Open (in progress).

dotnet/docsnumber 51439

#51439 In dotnet/docs;

· bigboybamo opened on Feb 3, 2026

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February 2026