It's more about fixing something that isn't broken.
The idiotic UI changes alone are enough to keep me away from it, they look like a bunch of script kiddies had too much time on their hands. The two-step file menu works perfectly well, the only important change that's needed is that which focuses on security and making it more lean and faster, kind of the way Windows 2000 is.
Type what you’re looking for in the search bar. No need to be terribly specific. That’ll save you any scary extra mouse clicks.