iOS 15: Beta 6 is released with Safari changes, SharePlay removal

Update 08/17/21: iOS 15 Beta 6 has been released to developers. The public beta typically follows within a day.
Every year, Apple releases major updates for its iPhone and iPad operating systems in the fall. For months before that, it releases beta test versions for developers and the public. They’re often incomplete and buggy, but it can be exciting to try out everything before it gets pushed out to a billion devices in the fall. We highly recommend you do not run this beta on a cri