Please center labels and values of rotaries.
Something is going on with anti-aliasing on the top-left of rotaries.
Zero margin at top right cpu usage in windowed mode. Add some space after “%” 
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EDIT: I forgot to mention one last thing about the disk browser. When dragging the file list so the folder list minimizes/unminimizes, the disk buttons are jumping up and down. They should be aligned to something else to make them fixed in the same position all the time. It would be slicker and it feels almost like a ‘bug’ now, even though it isn’t.