@AntcuFaalb: You mean with incorrect aspect ratio and such things?
Since our renders for all three films are already done, and we've worked so much on fixing bad frames already, we can't go back and change any crop settings or anything now, so if there's scenes with some slightly different aspect, we'll have to live with it.
Anyway, each film was cropped to remove black borders, any edge discoloration and stripes on edges.
Here's how that frame looks in our version: