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.

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

• Improved Code Generation for Struct Arguments
• Improved Loop Inversion
• Full Release Notes

🛠️ 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.

• Full Release Notes

F#

This preview release does not contain new F# features.

• Full Release Notes

Visual Basic

This preview release does not contain new Visual Basic features.

• Full Release Notes

🌐 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.

📦 Join a .NET community standup

Join us each week and engage with the developers and product managers behind .NET for community standups.

📦 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!

📢 .NET 10 Discussions

The team has been making monthly announcements alongside full release notes on the dotnet/core GitHub Discussions and has seen great engagement and feedback from the community.

🔔 Stay up-to-date with .NET 10

You can stay up-to-date with all the features of .NET 10 with:

• What’s new in .NET 10
• What’s new in C# 14
• What’s new in .NET MAUI
• What’s new in ASP.NET Core
• What’s new in Entity Framework Core
• What’s new in Windows Forms
• What’s new in WPF
• Breaking Changes in .NET 10
• .NET 10 Releases

Additionally, be sure to subscribe to the GitHub Discussions RSS news feed for all release announcements.

We want your feedback, so head over to the .NET 10 Preview 6 GitHub Discussion to discuss features and give feedback for this release.