WatchKit watchOS 8.5 to 9.0 API Differences

WKApplication.h
Added WKApplication
Added +[WKApplication sharedApplication]
Added -[WKApplication openSystemURL:]
Added WKApplication.delegate
Added WKApplication.rootInterfaceController
Added WKApplication.visibleInterfaceController
Added WKApplication.applicationState
Added WKApplication.isApplicationRunningInDock
Added WKApplication.autorotating
Added WKApplication.autorotated
Added -[WKApplication registerForRemoteNotifications]
Added -[WKApplication unregisterForRemoteNotifications]
Added WKApplication.registeredForRemoteNotifications
Added WKApplication.globalTintColor
Added WKApplicationDelegate
Added -[WKApplicationDelegate applicationDidFinishLaunching]
Added -[WKApplicationDelegate applicationDidBecomeActive]
Added -[WKApplicationDelegate applicationWillResignActive]
Added -[WKApplicationDelegate applicationWillEnterForeground]
Added -[WKApplicationDelegate applicationDidEnterBackground]
Added -[WKApplicationDelegate handleWorkoutConfiguration:]
Added -[WKApplicationDelegate handleActiveWorkoutRecovery]
Added -[WKApplicationDelegate handleExtendedRuntimeSession:]
Added -[WKApplicationDelegate handleRemoteNowPlayingActivity]
Added -[WKApplicationDelegate handleUserActivity:]
Added -[WKApplicationDelegate handleActivity:]
Added -[WKApplicationDelegate handleIntent:completionHandler:]
Added -[WKApplicationDelegate handleBackgroundTasks:]
Added -[WKApplicationDelegate deviceOrientationDidChange]
Added -[WKApplicationDelegate didRegisterForRemoteNotificationsWithDeviceToken:]
Added -[WKApplicationDelegate didFailToRegisterForRemoteNotificationsWithError:]
Added -[WKApplicationDelegate didReceiveRemoteNotification:fetchCompletionHandler:]
Added -[WKApplicationDelegate userDidAcceptCloudKitShareWithMetadata:]
WKApplicationMain.h
Added WKApplicationMain()
WKBackgroundTask.h
Added WKBluetoothAlertRefreshBackgroundTask
Added -[WKApplication scheduleBackgroundRefreshWithPreferredDate:userInfo:scheduledCompletion:]
Added -[WKApplication scheduleSnapshotRefreshWithPreferredDate:userInfo:scheduledCompletion:]
WKDefines.h
Removed #def WK_CLASS_AVAILABLE_IOS
Removed #def WK_AVAILABLE_IOS_ONLY
Removed #def WK_AVAILABLE_WATCHOS_IOS
Removed #def WK_DEPRECATED_WATCHOS_IOS