Big Sur was available for Apple Silicon; presumably there are new hooks in Monterey to support this virtualisation that Apple didn't see the need to backport. I

Big Sur was available for Apple Silicon; presumably there are new hooks in Monterey to support this virtualisation that Apple didn't see the need to backport. It's something of a sore point for Mac devs, as it means it's basically impossible to test their apps on Big Sur on Apple Silicon without having a dedicated box for it...