hey there, i couldnt find the section to this topic but im pretty sure that you will move it to the correct section.
I deactivated the gui, I mean use / togglegui to see if the fps improved, but it turns out not, (i turned it on again bcs it doesnt make any difference) the problem of the fps occurs when I approach the platform and pass near the walls, I mean the squares of the octagono, if I move away my fps go up to 60 again, but if I get close they go down to 40-50.
proof: