I can’t say for 15.6, but mine is currently running 15.2 just fine; I usually fall a bit behind on updates since these days, I only really use it to upload They Might Ne Giants rarities to my cloud library via Apple Music.
The only annoyance with the VM is iPhones can’t connect over USB easily.
I use this image, which mostly just works (other than the need to throw model info and a made-up serial into a config.plist.
https://github.com/thenickdude/KVM-Opencore
I can’t say for 15.6, but mine is currently running 15.2 just fine; I usually fall a bit behind on updates since these days, I only really use it to upload They Might Ne Giants rarities to my cloud library via Apple Music.
The only annoyance with the VM is iPhones can’t connect over USB easily.