July 27, 2026•1 min read•from InfoQ

Microsoft Releases .NET 11 Preview 6 With Language and Framework Updates

Microsoft has released .NET 11 Preview 6, with updates across C#, ASP.NET Core, .NET MAUI, and Entity Framework Core. C# adds extension indexers and built-in union support types. ASP.NET Core brings async validation, automatic CSRF protection, and OpenAPI 3.2 by default. MAUI extends CollectionView to Windows, and EF Core adds FULL OUTER JOIN translation.

By Almir Vuk

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Tagged with

#.NET 11

#C#

#ASP.NET Core

#.NET MAUI

#Entity Framework Core

#Preview 6

#Extension Indexers

#Union Types

#Async Validation

#CSRF Protection

#OpenAPI 3.2

#CollectionView

#Windows

#FULL OUTER JOIN

#Translation

#Framework Updates

#Language Updates

#Microsoft

#Release