My scanning type is “Custom scanning” -> Scan default storage locations (checked) -> Included is the root folder of my Internal Storage and SD card.

I don’t see why this would be a problem since I’ve used the app with this exact scanning without any problems for 2 years.

As for your other thing. I guess I misspoke the problem a bit. But the tags disappeared during the initial occurrence of the bug. If I tag images now and the bug happens, then they will get they will keep their tags when they come back. And I think this might have something to do with me enabling “Autosave” after the bug first happened.

This is still a problem though since I go without 90% of my library for a large period of time. And thumbnails and general organization such as sorting all gets reset.