Okay, so this is one I can't seem to pin down: Selecting certain categories in the editor (in this case the SPH) causes parts of the parts list UI to flicker in and out of existence as I mouse over it, like so: It comes and goes dependent on the mouse cursor position. Vid. Now here's the tricky bit: I can't seem to pin down exactly which mod(s) are causing it... I have more than one minimal set. The trigger seems to be not any particular mod, but the number of parts in the game, or