interface builder - tvOS - UITextField shows white on white when focused -

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i've created uitextfield on screen using custom font (skia 100 point) , sitting on top of uiimageview, otherwise quite unremarkable. when it's not focused, text shows normally, if bit faint:

enter image description here

when focused, however, entire area renders solid white rectangle:

enter image description here

i'd willing compromise on , feel of screen if render when focused, nothing i've tried has changed it--i white-on-white. read similar issue said due custom background colors have not set background color. in fact, if set custom text color, not seem take effect--it looks same.


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