UserNotifications tvOS 14.5 to 15.0 API Differences

UNError.h
Added UNErrorCodeContentProvidingObjectNotAllowed
Added UNErrorCodeContentProvidingInvalid
UNNotificationActionIcon.h
Added UNNotificationActionIcon
Added +[UNNotificationActionIcon iconWithTemplateImageName:]
Added +[UNNotificationActionIcon iconWithSystemImageName:]
UNNotificationContent.h
Added UNNotificationContentProviding
Added UNNotificationInterruptionLevel
Added UNNotificationInterruptionLevelPassive
Added UNNotificationInterruptionLevelActive
Added UNNotificationInterruptionLevelTimeSensitive
Added UNNotificationInterruptionLevelCritical
Added UNNotificationContent.summaryArgument
Added UNNotificationContent.summaryArgumentCount
Added UNNotificationContent.interruptionLevel
Added UNNotificationContent.relevanceScore
Added -[UNNotificationContent contentByUpdatingWithProvider:error:]
Added UNMutableNotificationContent.summaryArgument
Added UNMutableNotificationContent.summaryArgumentCount
Added UNMutableNotificationContent.interruptionLevel
Added UNMutableNotificationContent.relevanceScore
Modified UNMutableNotificationContent.badge
Declaration
From@property (nonatomic, copy) NSNumber *badge
To@property (nonatomic, readwrite, copy) NSNumber *badge

Modified UNMutableNotificationContent.targetContentIdentifier
Declaration
From@property (nonatomic, copy) NSString *targetContentIdentifier
To@property (nonatomic, readwrite, copy) NSString *targetContentIdentifier

UNUserNotificationCenter.h
Added UNAuthorizationOptionTimeSensitive