It's also tangentially related to the app archiving feature of Android 15, which in order to retain backward-compatibility, replaces the full APK by a shim that

It's also tangentially related to the app archiving feature of Android 15, which in order to retain backward-compatibility, replaces the full APK by a shim that you can simply open to initiate the app redownload. This allows to keep the existing local app storage in place. You cannot replace the original APK by another one unless the signatures of both matches. https://www.androidauthority.com/android-15-app-archiving-demo-3425621/ https://www.androidauthority.com/android-15-app-archiving-de...