Those pixels are your player's face.
Actually... I've got a theory for you: (old) Linux + Intel graphics.Actually, that's very useful data. While I've seen no new reports in the current, literally none of our team ever got that bug, so it was a frustrating one to "pronounce fixed". We have to rely entirely on user reports, but they seem to be pointing in the right direction.
I'll probably update this list later today or this week.
Actually, Terraria itself should have made a backup of your character and world, is the .bak file on your world and save folder.I didn't make backup, screw me...if I didn't make backup, is there a way to clean files ?