Hmm I use F-droid Fennec daily, and it has the same whitelist of available extensions as regular Firefox. I don't see how to add your own, unless you go through

Hmm I use F-droid Fennec daily, and it has the same whitelist of available extensions as regular Firefox. I don't see how to add your own, unless you go through the hoops of enabling debug mode (described elsewhere in another comment)