User blog comment:MisterWoodhouse/Social Activity, the 2010 Editor, and Unpausing Migrations/@comment-4080147-20201002030417/@comment-1869454-20201002112846

Not much better, since it doesn't allow for upload summaries. Without access to the usual bulk categorisation tools, that means each file needs to be edited manually - meaning you might've well as uploaded them all separately (with cat tags) in the first place.