Less than a week after the public release of iOS 8.3, Apple has already begun the developer beta cycle of the next iOS update, with the release of the first iOS 8.4 beta to registered developers. As expected, iOS 8.4 appears to focus primarily on a redesigned Music experience to pave the way for Apple’s upcoming streaming music service, with a number of significant changes to the built-in Music app, paralleling some iTunes features such as Now…
