Hello everyone Our application started to spam the Firebase Push Notifications when the device had the iOS 17 Beta. This behavior does not happen in iOS 16, but it was reproduced in many iOS 17 Beta (Beta 3, 4 & 5). The issue goes like this: Our backend service uses an SDK Firebase to send one notification The user receives the notification Then after some minutes, the device starts to receive the same push notification with the old date-time, by intervals of 5 to 15 minutes We also got reports of other people with the same issue: https://stackoverflow.com/questions/76620368/spam-of-fcm-push-notifications-on-ios-17-beta https://github.com/kreait/firebase-php/issues/814 You can see the following screenshot of the output of this after 2 hours: