A trial version's been out for quite a while, but now there's an official release.

Aero Glass for Win8+

It's taken a long time, and soon we'll have the Fall/Autumn upgrade... which probably means a few more months delay.

But if you want
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(just look at the borders, not any other of my GUI mods) then I guess the Creator's build could now look something like this- I've not upgraded yet as I've been waiting for this)