'Major Revisions' thats exactly whats needed. This seems like a work in progress rather than a finished product.
I don't understand why Apple would undertake trying to change its UI with only 7 months to do it. Understandably this is a daunting tedious process.
Besides Apple already saw what happened when they tried to do the same thing with Apple Maps
Hopefully by the time this comes out in September there are big changes.