MacRumors: „ Apple Reissuing Numerous iOS App Updates, Potentially Related to Recent 'This App is No Longer Shared' Bug“

https://www.macrumors.com/2020/05/25/apple-reissuing-ios-app-updates/
„ It's possible there was an issue with an expired certificate or other credential related to app sharing, and Apple has had to reissue these updates to include a valid certificate on each of the affected apps in order to fix the issue.“