Today, we are excited to announce the seventh preview release of .NET 11! This release includes improvements across libraries, the .NET Runtime, SDK, C#, ASP.NET Core, .NET MAUI, Entity Framework Core, F#, and Windows Forms. Check out the linked release notes below and get started today.

This release contains the following improvements.

📚Libraries

• IEEE 754 decimal floating-point types
• Generic Complex\<T>
• HTTP request compression
• Configurable HTTP connection eviction
• DNS record resolution APIs
• ZIP archive password support
• More ZIP creation, extraction, and metadata APIs
• Ordinal casing APIs
• Polymorphism inference for closed type hierarchies in System.Text.Json
• Asynchronous ChangeToken.OnChange
• See all library updates

⏱️Runtime

• Runtime-async tiering and tail-await optimizations
• CoreCLR on WebAssembly runs the libraries test suite
• JIT and code generation
• NativeAOT
• Runtime diagnostics
• See all runtime updates

🛠️ SDK

• NativeAOT dotnet CLI is now enabled by default
• MSBuild server is enabled by default
• dotnet test adds run-level --timeout and --maximum-failed-tests
• dotnet test supports Microsoft.Build.Traversal projects
• dotnet test reporter improvements on Microsoft.Testing.Platform
• dotnet test gains .NET MAUI device and environment support
• File-based apps get dotnet reference and up-to-date-check fixes
• Container publishing prefers platform-native local runtimes
• .NET tool packaging supports custom RID matrices
• See all SDK updates

C#

• Labeled break and continue
• Union patterns match the union or its value
• Exhaustiveness for type parameters constrained to a closed type
• Unsafe Evolution: compat mode and nameof
• See all C# updates

🌐 ASP.NET Core

• Auto pause Blazor circuits on inactivity
• Cache Blazor SSR output with CacheView
• New Blazor analyzers
• QuickGrid supports InitialItemIndex and ScrollToItemAsync
• wasm-tools uses Emscripten 6
• Razor accepts literal attributes for union-typed component parameters
• Validation localization is built in
• SignalR .NET client supports auth refresh after redirects
• OpenAPI Server-Sent Events in OpenAPI 3.2
• TLS channel-binding token access from ITlsConnectionFeature
• See all ASP.NET Core updates

📱 .NET MAUI

• Cross-platform passkey authentication
• XAML Incremental Hot Reload
• Shell route templates
• AOT-safe RelativeSource bindings
• Third-party platform backends
• TabbedPage adopts handlers on Apple platforms
• Platform-specific capabilities
• .NET for Android
• Apple platforms (.NET for iOS, Mac Catalyst, macOS, tvOS)
• See all .NET MAUI updates

🎁 Entity Framework Core

• LINQ query translation improvements
• Azure Cosmos DB provider improvements
• Migrations improvements
• Half type support on SQLite
• See all EF Core updates

F#

• Computation expression bindings inside a plain let RHS
• Attributes resolve inside recursive modules and namespaces
• Clearer diagnostic for generic attribute type abbreviations
• Correct StructLayout size emission for data-less struct unions
• See all F# updates

🖥️ Windows Forms

• Opt in to .NET 11 visual styles
• React to system visual settings
• Avoid white dark-mode flashes — deferred form revealing
• Suspend painting during bulk control mutations (location, size changes)
• Toggle-switch appearance for CheckBox, RadioButton
• See all Windows Forms 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.