On iOS, need a way to dismiss the keyboard that doesn't require tapping the "Return" key, On Android, this is done with a tap gesture. On iOS this is usually done with a swipe down gesture.
When iOS 12.1 software keyboard is toggled, the entry bar doesn't shift to the right height.
In the attached gif, we can see the entry bar shifted up, but not high enough to stay above the keyboard. As a result, the keyboard blocks the entry bar
If you have a more complex HeaderTemplate containing input controls, each button placed after a certain position does not fire its Click event. If a button is placed at the top of the template, it functions properly.