The Xcode 16.1.0 image has been released and can be selected as follows:
macos:
xcode: 16.1.0
Xcode 16.1 Beta 2 Release Notes | Apple Developer Documentation
Apple Silicon VM Image Info
Xcode 16.1 Beta 2 Build version 16B5014f
is installed at /Applications/Xcode-16.1.app
The full manifest of installed software can be found here