.NET 11 Preview 6 is now available! - .NET Blog
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.NET Team
Today, we are excited to announce the sixth preview release of .NET 11! This release includes improvements across the .NET Runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, F#, and container images. Check out the linked release notes below and get started today.
Download .NET 11 Preview 6
This release contains the following improvements.
📚Libraries
Stream adapters for memory and text
Asynchronous validation with DataAnnotations
System.Text.Json serializes C# union types
Configure Activity tracing with rules
Cross-lane operations for vectors
Start processes suspended and look them up by id
See all library updates
⏱️Runtime
Runtime-async performance improvements
JIT improvements
In-process crash report logging
NativeAOT: faster interface dispatch
SIMD: Lane construction and composition APIs
See all runtime updates
🛠️ SDK
NativeAOT CLI serves the full command surface
dotnet test gains new options and improved output
Test templates support xUnit v3 and NUnit on Microsoft.Testing.Platform
File-based apps support #:include .dll references
Container publishing supports multi-arch builds with Podman
TypeScript outputs integrate with Static Web Assets
CLI honors MSBuild server and standard OpenTelemetry env vars
See all SDK updates
C#
Extension indexers
Unions ship their support types in the box
See all C# updates
🌐 ASP.NET Core
Async validation for minimal APIs
Automatic cross-origin (CSRF) protection
Blazor Virtualize can scroll to an item
OpenAPI 3.2 by default
Unions in ASP.NET Core
Short-circuit endpoints with an attribute
SignalR authentication refresh
Cancel hub invocations from the client
dotnet user-jwts supports file-based apps
See all ASP.NET Core updates
📱 .NET MAUI
CollectionView2 comes to Windows
Handler-based Shell architecture on Android
Microsoft.Maui.Controls.Compatibility package removed
HybridWebView is now AOT-safe
Geolocation gains a minimum-distance filter
Android MediaPicker result recovery
.NET for Android
Apple platforms (.NET for iOS, Mac Catalyst, macOS, tvOS)
See all .NET MAUI updates
🎁 Entity Framework Core
LINQ query translation improvements
Keys and indexes traverse complex-type properties
Unconstrained foreign key relationships
Azure Cosmos DB provider improvements
Migrations improvements
Microsoft.Data.Sqlite now depends on SQLite3MC.PCLRaw.bundle
See all EF Core updates
F#
Array.init can inline initialization lambdas
Interpolated strings parse next to equals signs
FSI –quiet keeps restore output off stdout
Signature-file diagnostics catch missing semantic attributes
Debug sequence points cover more F# expressions
See all F# updates
📦 Container Images
Azure Linux 4.0 images
Smaller Native AOT SDK images
See all container image updates
🚀 Get started
To get started with .NET 11, install the .NET 11 SDK.
If you’re on Windows using Visual Studio, we recommend installing the latest Visual Studio 2026 Insiders. You can also use Visual Studio Code and the C# Dev Kit extension with .NET 11.
Category<br>.NET<br>.NET MAUI<br>ASP.NET Core<br>C#<br>Containers<br>Entity Framework<br>F#
Topics<br>.NET 11<br>Featured
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