2013/7/17 Yuvi Panda yuvipanda@gmail.com
It's universally liked, is there almost on every wiki, and provides a much needed functionality.
Note that this might not be the same version: for example, the HotCatsMulti [1] deployed on the French-language Wikipedia is a fork of the Commons HotCat (from before it had multicategories support, ie a long time ago).
[1] < https://fr.wikipedia.org/wiki/MediaWiki:Gadget-HotCatsMulti.js > < https://fr.wikipedia.org/wiki/Projet:JavaScript/Notices/HotCatsMulti >