I was hoping that the options under the More button in a SwiftUI TabView app would be fixed in Xcode 11 GM. Unfortunately it still does not work!
It seems to me that the Tabbed App is still work-in-progress. Why? It used to work very well under the UIKit! Tabbed apps are very commonly used and I am shocked that it does not work!
I hope you've mentioned this to Apple in a feedback.