2015


 * January 7: RPN Calculator 1.1 is released for iOS 8 or later.
 * February 1: The Apple App Store requires all new apps to have 64-bit support through the iOS 8 SDK.
 * April 24: The first Apple Watch becomes available in 9 countries.
 * June 1: The Apple App Store requires all iOS app updates to have 64-bit support.
 * June 8-12: The 2015 Worldwide Developers Conference was held at Moscone Center West in San Francisco, California. Announcements included iOS 9 and OS X El Capitan.
 * July 15: The 6th-generation iPod touch was released, replacing the 5th-generation iPod touch.
 * August 13: iOS 8.4.1 is released to the public.
 * September 9: The iPhone 6S, 6S Plus, and iPad mini 4 were released. The gold color option of the iPhone 5S, 6 and 6 Plus was discontinued. The iPhone 5C and iPad mini 3 were discontinued.
 * September 16: iOS 9 was released.
 * September 30: iOS 9.0.2 and OS X 10.11 (El Capitan) are released.
 * November 11: The 12.9-inch 1st-generation iPad Pro was released along with the Apple Pencil and Smart Keyboard.