Today, we are excited to announce the fifth 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
Post-Quantum Cryptography (PQC)
Full Release Notes
Runtime
Escape Analysis for Delegate
Inlining Improvements
ARM64 Write Barrier Improvements
Full Release Notes
SDK
No new features added in this preview release.
C#
User defined compound assignment operators
Full Release Notes
F#
This release you will find updates across the F# language including scoped #nowarn/#warnon, FSharp.Core standard library, and FSharp.Compiler.Service.
Visual Basic
No new features added in this preview release.
ASP.NET Core & Blazor
Configure custom security descriptors for HTTP.sys request queues
Validation resolver APIs marked as experimental
Support for generating OpenAPI 3.1
OpenAPI metadata from XML doc comments
Add a Not Found page using the Blazor Router
Blazor metrics and tracing
Full Release Notes
.NET MAUI
XAML Global Namespaces
XAML Implicit Namespaces
Intercept web requests
Full Release Notes
Full list of quality improvements on dotnet/maui GitHub releases.
.NET for Android
This release was focused on quality improvements and build performance. 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 and build performance. 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)
XAML Grid Syntax Enhancements
Font and Globalization Updates
Fluent Theme Improvements
Full Release Notes
Entity Framework Core
Custom Default Constraint Names
Full Release Notes
Container Images
No new features added in this preview release.
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.
.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 5 GitHub Discussion to discuss features and give feedback for this release.
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