Microsoft Dev Blog:
Today, we are excited to announce the sixth preview release of .NET 10 with enhancements across the .NET Runtime, SDK, libraries, C#, ASP.NET Core, Blazor, .NET MAUI, and more. Check out the full release notes linked below and get started today.
Download .NET 10 Preview 6
This release contains the following improvements.
Libraries
- Option to disallow duplicate JSON properties
- Strict JSON serialization options
- Post-Quantum Cryptography (PQC)
- Full Release Notes
Runtime
SDK
- Platform-specific .NET Tools
- One-shot tool execution
- The new dnx tool execution script
- New --cli-schema option for CLI introspection
- File-based apps enhancements
- Full Release Notes
C#
This preview release does not contain new C# features.F#
This preview release does not contain new F# features.Visual Basic
This preview release does not contain new Visual Basic features.
ASP.NET Core & Blazor
- Automatic eviction from memory pool
- Blazor WebAssembly preloading
- Blazor build producing javascript bundler friendly output
- Improved form validation for Blazor
- NavigationManager.NotFound() works after streaming has started
- Blazor diagnostics improvements
- Blazor Server state persistence
- Add passkey support to ASP.NET Core Identity
- Minimal API validation integration with IProblemDetailsService
- Full Release Notes
.NET MAUI
- MediaPicker Enhancements
- WebView Request Interception
- Control and Layout Fixes
- Full Release Notes
- Full list of quality improvements on dotnet/maui GitHub releases.
.NET for Android
This release includes support for Android API levels 35 and 36, along with enhancements to interop performance, binary size reduction, and diagnostics. A detailed list can be found on dotnet/android GitHub releases.
.NET for iOS, Mac Catalyst, macOS, tvOS
This release includes updates to Apple platform SDKs aligned with Xcode 16.4 and introduces improvements to binding generation, build reliability, and runtime behavior. A detailed list can be found on dotnet/macios GitHub releases including a list of Known issues.
Windows Forms
This release was focused on quality improvements and build performance. A detailed list can be found in release notes.
Windows Presentation Foundation (WPF)
This release was focused on quality improvements and build performance. A detailed list can be found in release notes.
Entity Framework Core
This release was focused on quality improvements and build performance. A detailed list can be found in release notes.
Container Images
This release was focused on quality improvements and build performance. A detailed list can be found in release notes.
Get started
To get started with .NET 10, install the .NET 10 SDK.If you’re on Windows using Visual Studio, we recommend installing the latest Visual Studio 2022 preview, which now includes GitHub Copilot agent mode and MCP server support. You can also use Visual Studio Code and the C# Dev Kit extension with .NET 10.
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Join us for .NET 10 Preview 6 Unboxed Live Stream
Join us for a live stream unboxing with the team to discuss what’s new in this preview release, with live demos from the dev team! Read more:
Release .NET 10.0 Preview 6 · dotnet/core
Release Notes Install Instructions Repos dotnet What's Changed Placeholder Links Updated by @victorisr in #9932 Update asp.net breaking change by @rbhanda in #9934 Update known-issues.md by @rbh...

.NET 10 Preview 6 is now available! - .NET Blog
Find out about the new features in .NET 10 Preview 6 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!
