I've been running 8 for the past week. There's not much difference, at least on the surface.
How does it work? I can't seem to find a way to activate it anywhere.Very slick and the 1 password extension works well.
D/Ling on my iPad Mini Retina - 1.3 gb (had to clear up to 6.9 GB though!) - 5 hours to D/L!