I'm skilled in the art of breaking shit, I guess ;) Try going full screen and back again quickly. Try flipping through view modes in finder. Try dragging the s

I'm skilled in the art of breaking shit, I guess ;) Try going full screen and back again quickly. Try flipping through view modes in finder. Try dragging the sidebar width on the inside edge of finder. I'm on a Retina MBP. I installed it on a new partition.