Hey AppleM1, Very nice suggestions you have there! I too (like many of us presumably) think Face ID HAS TO come to the Mac next. I thought quite extensively about this and, unfortunately, I think we won't get Face ID on any multi-user capable machine any time soon. In its current state, Face ID is a single-user-only biometric authentification protocol. I think some sort of hardware tweak or a decrease in the security "stubbornness" of Face ID as we know it must be preventing Apple from going all in... And that's also why I think iPadOS will not support multi-user any time soon either: the Pro has Face ID and I don't see Apple offering a much requested feature to all iPad BUT its Pro version. The iPad Pro's Face ID always seemed more advanced than the iPhone's, so maybe we get lucky there!? Anyways, let keep our fingers crossed until WWDC; only a few days away!!!