The Xcode 26.5 image has been released and can be selected as follows:
macos:
xcode: 26.5.0

Xcode 26.5 Release Notes | Apple Developer Documentation
Apple Silicon VM Image Info ![]()
Xcode 26.5 Build version 17F42 is installed at /Applications/Xcode-26.5.app
The full manifest of installed software can be found here
