UserNotificationsUI Changes for Swift UserNotificationsUI (Added) Added NSExtensionContext.mediaPlayingPaused() Added NSExtensionContext.mediaPlayingStarted() Added UNNotificationContentExtension Added UNNotificationContentExtension.didReceive(_: UNNotification) Added UNNotificationContentExtension.didReceive(_: UNNotificationResponse, completionHandler: (UNNotificationContentExtensionResponseOption) -> Swift.Void) Added UNNotificationContentExtension.mediaPause() Added UNNotificationContentExtension.mediaPlay() Added UNNotificationContentExtension.mediaPlayPauseButtonFrame Added UNNotificationContentExtension.mediaPlayPauseButtonTintColor Added UNNotificationContentExtension.mediaPlayPauseButtonType Added UNNotificationContentExtensionMediaPlayPauseButtonType [enum] Added UNNotificationContentExtensionMediaPlayPauseButtonType.default Added UNNotificationContentExtensionMediaPlayPauseButtonType.none Added UNNotificationContentExtensionMediaPlayPauseButtonType.overlay Added UNNotificationContentExtensionResponseOption [enum] Added UNNotificationContentExtensionResponseOption.dismiss Added UNNotificationContentExtensionResponseOption.dismissAndForwardAction Added UNNotificationContentExtensionResponseOption.doNotDismiss