WWDC 2013: Apple overhauls iOS design, shows off MacBook Airs and Mac Pro (roundup)

During its first major event of 2013, Apple (s aapl) used its Worldwide Developers Conference to show off sweeping changes to the design of its flagship mobile software, iOS. iOS 7, which will be released this fall, is “the biggest change to iOS since the original iPhone,” CEO Tim Cook said while introducing the new software alongside several Apple executives.

Cook and crew also used the event to show off new Mac concepts, including a battery-friendly revamp for the MacBook Air and a futuristic cylinder-type design for the Mac Pro, its last remaining professional desktop product. Our coverage from Monday’s event follows below, and we’ll update this post as more stories emerge from what appeared to be a pivotal event in the history of iOS.