We're excited to announce our .NET 9 SDK release!

Note: these are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 18.0.9617
• tvOS: 18.0.9617
• macOS: 15.0.9617
• Mac Catalyst: 18.0.9617

Installation

You can use workload set version 9.0.100 in order to install these versions of the SDKs, please make sure to be using the latest .NET SDK 9.0.100 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 9.0.100 before proceeding.

dotnet workload install <workload id(s)> --version 9.0.100

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 9.0.100

You can use dotnet workload --info to validate the workload versions installed in your system.

Full release notes: https://github.com/xamarin/xamarin-macios/wiki/.NET-9-release-notes