This is a servicing release to the previous .NET 9 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/.

Versions

This release consists of the following versions:

• iOS: 26.2.9008
• tvOS: 26.2.9008
• macOS: 26.2.9008
• Mac Catalyst: 26.2.9008

Installation

You can use workload set version 9.0.313 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 9.0.313 before issuing the dotnet workload install command below. You can
validate your installed dotnet version using dotnet --version do make sure it shows 9.0.313 or greater before proceeding.

dotnet workload install <workload id(s)> --version 9.0.313

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 9.0.313

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

What's Changed

• [release/9.0.1xx] Bump to Xcode 26.3. by @rolfbjarne in #24796
• [release/9.0.1xx] [system-dependencies] Update the check for the Metal toolchain to update if an update is available. by @rolfbjarne in #24858
• [release/9.0.1xx] [tests] Fix arm64 - Mac Tahoe (26) condition by @rolfbjarne in #24865
• [release/9.0.1xx] Bump mlaunch to get fix for #24935. by @rolfbjarne in #24953

Full Changelog: dotnet-9.0.1xx-xcode26.2.9000...dotnet-9.0.1xx-xcode26.2.9008