I wish I had a good answer for you. Apple does like changing things, like how it's done something with the boot selector in macOS 27. So there's something there. Also, macOS 27 also ships with no Intel code remaining, which could affect drivers compiled for Intel-only targets.. That may have something to do with it too. Beta cycles are intended for developers to update their software to the new macOS. They exist for testing things like this. But in our experience in the past, some things made by third party vendors get left behind. Our advice as always stands. If you have mission critical hard