Apple has described its coming iOS 10 update as the “biggest iOS release ever” with CEO Tim Cook going so far as to call it the “mother of all iOS updates” — and after a week of poring over the first iOS 10 beta, it’s clear they’re not wrong. While it’s not as big of a visual design overhaul as iOS 7 was, it looks like iOS 10 is still going to take the mobile operating system in some very interesting new…