This did the trick for me! https://developer.apple.com/forums/thread/688626#689590022

Hi @sayedharis, sorry for the late reply. Yet to find an answer to that. I guess it's for privacy purposes. Still don't understand it though

+1 same here

Same for me here. I've added the privacy manifest in the host app, but when uploading the build I get these errors: Your app’s code in the “PlugIns/[]NotificationService.appex/[]NotificationService” file references one or more APIs that require reasons, including the following API categories: NSPrivacyAccessedAPICategoryFileTimestamp