on the screenshots, where I take a screenshot with command+shift+3 you can't see the difference, it looks like it spans from side to side, so let me try taking photos of the screen instead.
when I'm trying to watch a video in full screen it shrinks the video by adding black bars on the side. if I play it in the regular window I can drag the screen size to fit snugly to the sides of the screen, but when I enter full screen it shrinks the video size. if I play the same videos in Quick Ti...