Overlapping screens during transition + nav-bar title disappears

I made a small video to demonstrate these bugs.

I have a tab setup and a sub-screen. When going between parent tab to sub-screen, the automatic transition kicks in. First time around it’s snappy. Now, when clicking/tapping the <-- back button, the animation is laggy and the screens seem to be overlapping during the transition.

The second time clicking/tapping the + plus button to go the sub-screen, the title is nowhere to be found.

I don’t have a codepen for this. My tabs are all split into different files.

Are any of these known bugs/issues? Any and all help is appreciated.

For now, I’ve resorted to using this config:

$ionicConfigProvider.views.transition('android');

Since the iOS style transition seems to create the undesired overlapping of screens during the transition, and hide the title.