Airship iOS SDK Migration Guides SDK 15.x to 16.x SDK 14.5 to 16.x SDK 14.x to 14.5 SDK 13.2 to 14.x SDK 13.0/13.1 to 13.2 SDK 12.x to 13.x SDK 11.x to 12.x SDK 10.x to 11.x SDK 9.x to 10.x Older versions