UserNotifications.framework
Obviously, Apple didn’t go to all that trouble only because they wanted us to use a different (and obviously better) API. The UserNotifications framework actually gives us access to many new, long-awaited features.
Update (2016-06-27): Nick Heer:
Unfortunately, these enhancements haven’t made their way into MacOS.
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Unfortunately, the new framework does not have feature parity with UILocalNotification in terms of scheduling repeating notifications: http://openradar.me/26855019
When scheduling UILocalNotifications in iOS 10, iOS employs a private UNLegacyNotificationTrigger to repeat a notification in a way that UNCalendarNotificationTrigger and UNTimeIntervalNotificationTrigger cannot.