Reproduction project for a catastrophic crash of MAUI's Shell under iOS
Deploying this project onto an iPad with iOS 16.6.0 will lead to crashes as soon as you navigate between Flyout items. From my experience the crash will occurr after 5-6 navigation clicks, but can also occurr much earlier.
To prevent the crash, go into the csproj file and switch to Maui 8 Preview 6 via the Tag