Today, we are excited to announce the third preview release of .NET 11! This release includes improvements across the .NET Runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, container images, and more. Check out the linked release notes below and get started today.Download .NET 11 Preview 3This release contains the following improvements.LibrariesSystem.Text.Json offers more control over naming and ignore defaultsZstandard moved to System.IO.Compression and ZIP reads validate CRC32SafeFileHandle and RandomAccess expand pipe supportRegex recognizes all Unicode newline sequencesSee all library updatesRuntimeRuntime async removes the preview-API opt-in requirementJIT optimizations improve switches, bounds checks, and castsBrowser and WebAssembly add WebCIL and debugging improvementsSee all runtime updates SDKSolution filters can now be edited from the CLIFile-based apps can be split across filesdotnet run -e passes environment variables from the command linedotnet watch adds Aspire, crash recovery, and Windows desktop improvementsSee all SDK updatesC#union type supportSee all C# updates ASP.NET CoreZstandard response compression and request decompressionVirtualize adapts to variable-height items at runtimeHTTP/3 starts processing requests earlierSee all ASP.NET Core updates .NET MAUIMaps add clustering, styling, and richer interaction APIsXAML and styling improvements reduce startup work and speed up iterationLongPressGestureRecognizer is now built into .NET MAUI.NET for Android adds Android 17 / API 37 preview supportSee all .NET MAUI updates Entity Framework CoreChangeTracker.GetEntriesForState() avoids extra change detectionDbContext configuration can remove providers and add pooled factoriesMigrations get more control and clearer feedbackSQL generation removes unnecessary joins and SQL Server adds JSON APIsSee all EF Core updates Container Images.NET container images are now signedSee all container updates Get startedTo 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.The post .NET 11 Preview 3 is now available! appeared first on .NET Blog.