FIX full screen playback preview not scaling correctly
This bug is really making us crazy. As we NEED to be able to fullscreen playback in 4k monitors. This bug has been in the Adobe forums seen 2014.
Here is the best post to understand the importance of making this get to developers. The industries continue growing, and so does the resolution.
I found a momentary solution for this bug, it could help to find a real solution.
David Shutt commented
Oh look, it's 2021 and Adobe hasn't fixed something
'HaVe YoU ReSeT YoUR PrEfErencEs' -_-
Péter Farkas commented
It's 2020 and this problem is still an ongoing issue at least on my screen at the moment. Trying to work on a 2440p screen and project on a 1080p one but it isn't scaling properly by only filling up the 3/4 of my screen sitting on the bottom left corner...