I don´t see any problems like crashes or that the DAU number has changed, but App Store Connect shows 3 times more deletions since the release date of iOS 13. Now I don't know if there is any problem in the App or if Apple has made an upgrade of the "App-Offloading" mechanism? So it would be good to have some feedback, if the app deletion numbers have changed for somebody else as well.
2 Answers
Low-memory phones are prompted to delete all apps before the upgrade.
One of my colleagues has a 6S that is chock-full of photos. When she upgraded she was told that all of her apps would stored in the cloud but deleted on the phone, to make room. After the upgrade, she still had all the app icons, but those were really just shortcuts to re-download each app anew.
Apparently this also kills notifications, because without the app on the device there's nothing to execute the notification.
I have that message in App Store Connect:
App deletions data was reported incorrectly for iOS and tvOS as of August 2019. This data has been removed from the dashboard for reprocessing and will be re-enabled once reprocessing is done.
See attached screenshot:
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