iOS 7.1 to iOS 8.0 API DifferencesSystem Headers System Frameworks Accelerate Accounts AddressBook AddressBookUI AudioToolbox AudioUnit AVFoundation AVKit (Added) CFNetwork CloudKit (Added) CoreAudio CoreAudioKit (Added) CoreAuthentication (Added) CoreBluetooth CoreData CoreFoundation CoreImage CoreLocation CoreMedia CoreMotion CoreText CoreVideo EventKit EventKitUI ExternalAccessory Foundation GameController GameKit GLKit GSS Hea
