watchOS 2.0 to watchOS 2.1 API Differences

Objective-C

• ClockKit
• Foundation
• Security
• UIKit
• WatchKit

Swift

• ClockKit
• Contacts
• CoreData
• CoreFoundation
• CoreGraphics
• CoreLocation
• CoreMotion
• Darwin
• Dispatch
• EventKit
• Foundation
• HealthKit
• HomeKit
• ImageIO
• MachO
• MapKit
• ObjectiveC
• PassKit
• Swift
• UIKit
• WatchConnectivity
• WatchKit