.NET 10 Preview 2 is now available!

Today, we are excited to announce the second 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

• Encryption algorithm can now be specified in PKCS#12/PFX Export
• Full Release Notes

Runtime

• Array Enumeration De-Abstraction
• Inlining of Late Devirtualized Methods
• Devirtualization Based on Inlining Observations
• Support for Casting and Negation in NativeAOT’s Type Preinitializer
• Full Release Notes

SDK

• More consistent command order for dotnet CLI
• Full Release Notes

C#

• Partial events and constructors
• Full Release Notes

F#

This release you will find updates across the F# language, FSharp.Core standard library, and FSharp.Compiler.Service.

Visual Basic

• No new features added in this preview release.
• Full Release Notes

ASP.NET Core & Blazor

• Reconnection UI component added to the Blazor Web App project template
• NavigateTo no longer scrolls to the top for same page navigations
• Ignore query string and fragment when using NavLinkMatch.All
• Close QuickGrid column options
• Populate XML doc comments into OpenAPI document
• Upgrade to OpenAPI.NET v2.0.0-preview7
• Treat empty strings in form posts as null for nullable value types
• New authentication and authorization metrics
• Full Release Notes

.NET MAUI

• ShadowTypeConverter
• SpeechOptions Rate
• Styling Modal as Popover
• Switch.OffColor
• HybridWebView new InvokeJavascriptAsync Method
• Deprecations
• Full Release Notes

.NET for Android

This release was focused on quality improvements. A detailed list can be found on dotnet/android GitHub releases.

.NET for iOS, Mac Catalyst, macOS, tvOS

This release was focused on quality improvements. A detailed list can be found on dotnet/macios GitHub releases including a list of Known issues.

Windows Forms

• Clipboard Code Sharing with WPF
• Ported more System.Windows.Forms.Design UITypeEditors
• Quality Enhancements
• Full Release Notes

Windows Presentation Foundation (WPF)

• Performance Improvements
• Fluent Style Changes
• Bug Fixes
• Engineering Health
• Full Release Notes

Entity Framework Core

• Support for the .NET 10 RightJoin operator
• Small improvements
• Full Release Notes

Container Images

• Native AOT SDK images
• Full 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. You can also use Visual Studio Code and the C# Dev Kit extension with .NET 10.

Join us for .NET 10 Preview 2 Unboxed Live Stream

Join us for an unboxing video 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 2 GitHub Discussion to discuss features and give feedback for this release.

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