Today, we are excited to announce the second preview release of .NET 11! This release includes improvements across the .NET Runtime, SDK, libraries, ASP.NET Core, Blazor, .NET MAUI, F#, Entity Framework Core, container images, and more. Check out the full release notes linked below and get started today.<\/p>\n
This release contains the following improvements.<\/p>\n
GetTypeInfo<\/code> for System.Text.Json<\/code><\/a><\/li>\n- Tar archive format selection<\/a><\/li>\n
Matrix4x4.GetDeterminant<\/code> ~15% faster<\/a><\/li>\n- Full Release Notes<\/a><\/li>\n<\/ul>\n
\u23f1\ufe0fRuntime<\/strong><\/h2>\n\n- Runtime Async (V2)<\/a><\/li>\n
- JIT improvements<\/a><\/li>\n
- Cached interface dispatch and other VM improvements<\/a><\/li>\n
- Full Release Notes<\/a><\/li>\n<\/ul>\n
\ud83d\udee0\ufe0f SDK<\/strong><\/h2>\n\n- Smaller SDK installers on Linux and macOS<\/a><\/li>\n
- Code analyzer improvements<\/a><\/li>\n
- New SDK warnings and build targets<\/a><\/li>\n
- Full Release Notes<\/a><\/li>\n<\/ul>\n
C#<\/strong><\/h2>\n.NET 11 Preview 2 doesn’t include any notable new C# language features or breaking changes. Browse the What’s new in C#<\/a> documentation for details.<\/p>\nF#<\/strong><\/h2>\n\n- Simplified DIM interface hierarchies<\/a><\/li>\n
- Overload resolution caching<\/a><\/li>\n
#elif<\/code> preprocessor directive<\/a><\/li>\npartitionWith<\/code> for collections<\/a><\/li>\n- Full Release Notes<\/a><\/li>\n<\/ul>\n
Visual Basic<\/strong><\/h2>\n.NET 11 Preview 2 doesn’t include any notable new Visual Basic language features or breaking changes. Browse the What’s new in Visual Basic<\/a> documentation for details.<\/p>\n\ud83c\udf10 ASP.NET Core & Blazor<\/strong><\/h2>\n\n- Native OpenTelemetry tracing for ASP.NET Core<\/a><\/li>\n
- TempData support for Blazor<\/a><\/li>\n
- OpenAPI 3.2.0 support<\/a><\/li>\n
- .NET Web Worker project template<\/a><\/li>\n
- Performance improvements<\/a><\/li>\n
- Full Release Notes<\/a><\/li>\n<\/ul>\n
\ud83d\udcf1 .NET MAUI<\/strong><\/h2>\n\n- Map control improvements<\/a><\/li>\n
- TypedBinding performance improvements<\/a><\/li>\n
- Immutability annotations for
Color<\/code> and Font<\/code><\/a><\/li>\n- VisualStateManager API consistency<\/a><\/li>\n<\/ul>\n
.NET for Android<\/strong><\/h3>\n\n- Fixes and improvements to
dotnet run<\/code><\/a><\/li>\n- Use response files when calling
r8.jar<\/code><\/a><\/li>\n- CoreCLR now requires API 24 and higher<\/a><\/li>\n<\/ul>\n
Browse the full release notes<\/a> for all of this and more, including experimental CoreCLR support for .NET for iOS, Mac Catalyst, macOS, and tvOS.<\/p>\n\ud83d\udda5\ufe0f Windows Forms<\/strong><\/h2>\n.NET 11 Preview 2 doesn’t include any notable new Windows Forms features or breaking changes. Browse the What’s new in Windows Forms<\/a> documentation for details.<\/p>\n\ud83d\udda5\ufe0f Windows Presentation Foundation (WPF)<\/strong><\/h2>\nThis release focused on quality improvements, including a fix to guard against crashes caused by Desktop Window Manager (DWM) failures. A full list of changes can be found in the release notes<\/a>.<\/p>\n\ud83c\udf81 Entity Framework Core<\/strong><\/h2>\n\n- Support for LINQ
MaxBy<\/code> and MinBy<\/code><\/a><\/li>\n- Support for SQL Server DiskANN vector indexes and
VECTOR_SEARCH()<\/code><\/a><\/li>\n- Support for creating SQL Server full-text catalogs and indexes<\/a><\/li>\n
- Support for SQL Server
JSON_CONTAINS()<\/code><\/a><\/li>\n- Full Release Notes<\/a><\/li>\n<\/ul>\n
\ud83d\udce6 Container Images<\/strong><\/h2>\n\n- SDK container images are up to 17% smaller<\/a><\/li>\n
- Full Release Notes<\/a><\/li>\n<\/ul>\n
\ud83d\ude80 Get started<\/h2>\n
To get started with .NET 11, install the .NET 11 SDK<\/a>.<\/p>\nIf you’re on Windows using Visual Studio, we recommend installing the latest Visual Studio 2026 Insiders<\/a>. You can also use Visual Studio Code and the C# Dev Kit<\/a> extension with .NET 11.<\/p>\n","protected":false},"excerpt":{"rendered":"Find out about the new features in .NET 11 Preview 2 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!<\/p>\n","protected":false},"author":11288,"featured_media":59688,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[685,7233,7509,7251,756],"tags":[7893,7744],"class_list":["post-59687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet","category-maui","category-aspnetcore","category-blazor","category-csharp","tag-dotnet-11","tag-featured-preview"],"acf":[],"blog_post_summary":"
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