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.

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](https://get.dot.net/10)

This release contains the following improvements.

## **📚Libraries**

- [Option to disallow duplicate JSON properties](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/libraries.md#option-to-disallow-duplicate-json-properties)
- [Strict JSON serialization options](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/libraries.md#strict-json-serialization-options)
- [Post-Quantum Cryptography (PQC)](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/libraries.md#post-quantum-cryptography-pqc)
- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/libraries.md)

## **⏱️Runtime**

- [Improved Code Generation for Struct Arguments](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/runtime.md#improved-code-generation-for-struct-arguments)
- [Improved Loop Inversion](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/runtime.md#improved-loop-inversion)
- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/runtime.md)

## **🛠️ SDK**

- [Platform-specific .NET Tools](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md#platform-specific-net-tools)
- [One-shot tool execution](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md#one-shot-tool-execution)
- [The new `dnx` tool execution script](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md#the-new-dnx-tool-execution-script)
- [New `--cli-schema` option for CLI introspection](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md#new---cli-schema-option-for-cli-introspection)
- [File-based apps enhancements](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md#file-based-apps)
- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/sdk.md)

## **C\#**

This preview release does not contain new C# features.

- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/csharp.md)

## **F\#**

This preview release does not contain new F# features.

- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/fsharp.md)

## **Visual Basic**

This preview release does not contain new Visual Basic features.

- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/visualbasic.md)

## **🌐 ASP.NET Core & Blazor**

- [Automatic eviction from memory pool](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#automatic-eviction-from-memory-pool)
- [Blazor WebAssembly preloading](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#blazor-webassembly-preloading)
- [Blazor build producing javascript bundler friendly output](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#blazor-build-producing-javascript-bundler-friendly-output)
- [Improved form validation for Blazor](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#improved-form-validation-for-blazor)
- [NavigationManager.NotFound() works after streaming has started](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#navigationmanagernotfound-works-after-streaming-has-started)
- [Blazor diagnostics improvements](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#blazor-diagnostics-improvements)
- [Blazor Server state persistence](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#blazor-server-state-persistence)
- [Add passkey support to ASP.NET Core Identity](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#add-passkey-support-to-aspnet-core-identity)
- [Minimal API validation integration with IProblemDetailsService](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md#minimal-api-validation-integration-with-iproblemdetailsservice)
- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/aspnetcore.md)

## **📱 .NET MAUI**

- [MediaPicker Enhancements](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/dotnetmaui.md#mediapicker-enhancements)
- [WebView Request Interception](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/dotnetmaui.md#webview-request-interception)
- [Control and Layout Fixes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/dotnetmaui.md#control-and-layout-fixes)
- [Full Release Notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/dotnetmaui.md)
- Full list of quality improvements on [dotnet/maui GitHub releases](https://github.com/dotnet/maui/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](https://github.com/dotnet/android/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](https://github.com/dotnet/macios/releases/) including a list of [Known issues](https://github.com/dotnet/macios/wiki/Known-issues-in-.NET10).

## **🖥️ Windows Forms**

This release was focused on quality improvements and build performance. A detailed list can be found in [release notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/winforms.md).

## **🖥️ Windows Presentation Foundation (WPF)**

This release was focused on quality improvements and build performance. A detailed list can be found in [release notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/wpf.md).

## **🎁 Entity Framework Core**

This release was focused on quality improvements and build performance. A detailed list can be found in [release notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/efcore.md).

## **📦 Container Images**

This release was focused on quality improvements and build performance. A detailed list can be found in [release notes](https://github.com/dotnet/core/blob/main/release-notes/10.0/preview/preview6/containers.md).

## 🚀 Get started

To get started with .NET 10, [install the .NET 10 SDK](https://get.dot.net/10).

If you're on Windows using Visual Studio, we recommend installing the latest [Visual Studio 2022 preview](https://visualstudio.microsoft.com/vs/preview/), which now includes [GitHub Copilot agent mode and MCP server support](https://devblogs.microsoft.com/visualstudio/agent-mode-has-arrived-in-preview-for-visual-studio/). You can also use Visual Studio Code and the [C# Dev Kit](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.csdevkit) 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](https://dotnet.microsoft.com/live/community-standup).

## 📢 .NET 10 Discussions

The team has been making [monthly announcements](https://aka.ms/dotnet/10/preview6) alongside full [release notes](https://github.com/dotnet/core/tree/main/release-notes/10.0) on the [dotnet/core GitHub Discussions](https://github.com/dotnet/core/discussions/categories/news) 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](https://learn.microsoft.com/dotnet/core/whats-new/dotnet-10/overview)
- [What's new in C# 14](https://learn.microsoft.com/dotnet/csharp/whats-new/csharp-14)
- [What's new in .NET MAUI](https://learn.microsoft.com/dotnet/maui/whats-new/dotnet-10)
- [What's new in ASP.NET Core](https://learn.microsoft.com/aspnet/core/release-notes/aspnetcore-10.0)
- [What's new in Entity Framework Core](https://learn.microsoft.com/ef/core/what-is-new/ef-core-10.0/whatsnew)
- [What's new in Windows Forms](https://learn.microsoft.com/dotnet/desktop/winforms/whats-new/net100)
- [What's new in WPF](https://learn.microsoft.com/dotnet/desktop/wpf/whats-new/net100)
- [Breaking Changes in .NET 10](https://learn.microsoft.com/dotnet/core/compatibility/10.0)
- [.NET 10 Releases](https://github.com/dotnet/core/blob/main/release-notes/10.0/README.md)

Additionally, be sure to subscribe to the GitHub Discussions [RSS news feed](https://github.com/dotnet/core/discussions/categories/news.atom) for all release announcements.  

We want your feedback, so head over to the [.NET 10 Preview 6 GitHub Discussion](https://aka.ms/dotnet/10/preview6) to discuss features and give feedback for this release.

_Originally posted by @jongalloway in https://github.com/dotnet/core/discussions/9974_

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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. #10007

📚Libraries

⏱️Runtime

🛠️ SDK

C#

F#

Visual Basic

🌐 ASP.NET Core & Blazor

📱 .NET MAUI

🤖 .NET for Android

🍎 .NET for iOS, Mac Catalyst, macOS, tvOS

🖥️ Windows Forms

🖥️ Windows Presentation Foundation (WPF)

🎁 Entity Framework Core

📦 Container Images

🚀 Get started

📦 Join a .NET community standup

📢 .NET 10 Discussions

🔔 Stay up-to-date with .NET 10

Metadata

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Type

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Development

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. #10007

Description

📚Libraries

⏱️Runtime

🛠️ SDK

C#

F#

Visual Basic

🌐 ASP.NET Core & Blazor

📱 .NET MAUI

🤖 .NET for Android

🍎 .NET for iOS, Mac Catalyst, macOS, tvOS

🖥️ Windows Forms

🖥️ Windows Presentation Foundation (WPF)

🎁 Entity Framework Core

📦 Container Images

🚀 Get started

📦 Join a .NET community standup

📢 .NET 10 Discussions

🔔 Stay up-to-date with .NET 10

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions

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. #10007