Been using it most of the day on my iPhone 4, some thoughts:
- Functionality overall is improved. Multitasking is nice seeing a preview of each app and discarding an app is faster as well. The actual selecting of an app is faster, but swiping left to right is a bit slower than iOS 6. Whether thats because it's a beta or because my phone is relatively old.
- I quite like the way the apps look when your'e actually in them, but i'm not entirely sold on the home screen and some of the icons. Maybe it's because i'm missing out on all the snazzy effects, but some of it looks like ass. The dock bar is terrible, as is grouped apps icon, sticks out like a sore thumb and the fact that it's missing the transparency is horse shit. I hope it's changed for release.
-The quick select menu is pretty good, it's been a long time coming and should have been included sooner really. That type of shit has been standard in Android for ages. One caveat is that it's missing a quick select for cellular toggle, so i have to go through the shitty menus as always the activate 3G which is a pain in the ass. Hope fully those 5 icons are interchangeable come release.
-The safari app is great. Appreciate the added space now that the bottom bar tucks away when your browsing, as well as the one search/address bar at the top. Nice and streamlined. In saying that they seem to have chosen a bizarre look for the way you switch between multiple web pages. They've supposed to simplified things, yet they have this shitty tilt shift effect that runs like shit and looks like ass all in one. The OG one in iOS 6 was a lot better than this.
Overall it runs a half second slower than iOS 6, but now where near as bad as iOS 4 on 3rd gen iphone. If it runs like this when release hits then i'm gonna give it a miss.
Also Bejeweled doesn't seem to run on this beta as well, which is annoying.