WWDC15 is held and OS X El Capitan, iOS 9, watchOS 2, and Apple Music are announced. New iPhone “iPhone 5s” and “iPhone 5c” announced! WWDC 2013! iOS7 unveiled! WWDC2012 is now open! Retina MacBook Pro, OS X Mountain Lion, iOS 6, and more announced! Apple announces MacOS X Lion, iOS 5, and iCloud at WWDC.