Time Machine window shows thin lines, copy/paste window shadow shows white dots

[GaochuanMAC]

Time Machine window shows very thin lines, copy/paste window shadow shows white dots only appeared once I quit a game.


can anyone tell me if this is normal? thanks.

Macbook Pro 2016 Touch bar/15

 

[trfjason]

I see that on my MBP 2016 15, 2.7/1TB/460. I would think it is not normal... Some software glitch?

 

[GaochuanMAC]

I see that on my MBP 2016 15, 2.7/1TB/460. I would think it is not normal... Some software glitch?

It seems like system glitch, lets see next mac os version