Expected Output:
viewDidAppear
viewDidDisappear
viewDidAppear
viewDidDisappear
viewDidAppear
viewDidDisappear
...
Output on 10.15.7:
viewDidAppear
viewDidDisappear
viewDidDisappear
viewDidAppear
viewDidAppear
viewDidDisappear
viewDidDisappear
viewDidAppear
Output seems correct on macOS 11.2.1