Apple has now issued iOS and iPadOS updates to version 14.3. It contains some previously-promised features, which include ProRAW support in the Pro iPhone 12 variants, not to mention Apple Fitness+. It also reportedly fixes some issues, including one in which a user's new messages failed to appear in their Notifications.
https://www.notebookcheck.net/The-new-iOS-update-adds-AirPods-Max-support-SMS-receipt-failure-fix-and-25fps-recording.509396.0.html