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Microsoft has announced that .NET 9 Release Candidate 1 is now available, including improved WebSocket APIs, more compression options, advanced SignalR tracing, and modifications to.NET MAUI to improve text alignment. The update also features library improvements, SDK workload history, ASP.NET Core enhancements, WebSocket keep-alive timeout, keyed DI in middleware, and HorizontalTextAlignment.Justify with.NET MAUI.



.NET 9 Release Candidate 1 is now available!

.NET 9 Release Candidate 1 is now available. This is our first of two release candidates. This release includes enhanced WebSocket APIs, new compression options, advanced SignalR tracing, and updates to .NET MAUI for better text alignment, and more. Check out the full release notes linked below and get started today.

Get ready for .NET Conf!

The dates for  .NET Conf 2024 have been announced! Join us November 12-14, 2024 to celebrate the .NET 8 release!

This release contains the following improvements.

Libraries

 SDK

 ASP.NET Core

 .NET MAUI

 Get started

To get started with .NET 9,  install the .NET 9 SDK.

If you’re on Windows using Visual Studio, we recommend installing the latest  Visual Studio 2022 preview. .NET 9 can now be installed directly through the Visual Studio installer starting with Visual Studio 2022 17.12 Preview 2.

You can also use Visual Studio Code and the  C# Dev Kit extension with .NET 9.

.NET 9 Release Candidate 1 is now available! - .NET Blog