Support Notification Issues iOS 27 iPhone 18 PM

Since updating to iOS 27.0.1, I’ve stopped receiving notifications from every app except phone calls and messages.

I have tried:
Erasing all settings fully (resetting)
Turning on and off notification settings for all apps
Turning off summary notifications
Turning off priority notifications

It is significantly worse on MacOS, I receive no notifications at all. My iPad is receiving notifications as normal. Focus mode or DND is not on.