Oh look, another MacOS ripoff in Ubuntu...

The only other thing I want to point out is that the space-saving scrollbars are still only present in GTK+ apps and nothing else.
Arguably that's a good thing, but it's also called UI inconsistency, or for a better way to put it, the wrong way to do it.

Conclusion:


They didn't fix anything. If anything they made Unity worse than it already was.
I used to be an avid supporter of Ubuntu. Now? Forget it, save yourself the hassle and just get Mint with MATE.