finally first sorry about my not perfect english.
i've the same problem. sometimes it will work for one-two days and then again not for a week. i don't change the settings between working an not working. also the notificatins will not recieved permanent. before ios 15 everything work normally.
guenther
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
From
Wien, Österreich