The main thing here is that it will support edge-to-edge when we target android 15, and it changes the default for deep links.
The update to mobile_scanner should improve ios simulator support, but I'm finding that the app still won't load in the simulator (even without mobile_scanner at all), so there's some other work to do there.
https://medium.com/flutter/whats-new-in-flutter-3-27-28341129570c