I have been able to reproduce in 1.20.1 and 1.18.2. Pressing Control + A in a non-empty text field will make the window rapidity alternate (presumably every frame) from the frame before Control + A was pressed and a completely black one. Resizing will make the window completely black.
I have been able to reproduce in 1.20.1 and 1.18.2. Pressing Control + A in a non-empty text field will make the window rapidity alternate (presumably every frame) from the frame before Control + A was pressed and a completely black one. Resizing will make the window completely black.