I mean, you could install a handful of them from the add-ons menu for the last few years, and depending on which fork you used, that list expanded quite a bit, and even included all* add-ons (though many are broken) via a list-system that basically forced the install of unsupported add-ons. But FF native is supposedly nearly ready to allow a slew of, in theory, tested and compatable add-ons, so this install-from-file feature is likely to test which work. I think I remember reading that a couple hundred add-ons are going to be enabled for mobile without trickery quite soon.

Doesn’t apple require all browsers on ios use the safari Web engine? If so, it’ll never be at parity unless Apple changes their policies

there is a browser on ios that can use chrome and firefox add-ons. it’s called orion. i haven’t checked if it’s open source or not, but ublockorigin works pretty well on it

Not sure what it’s like on iOS, but it hasn’t been great on Android for me. Had significant lag with pages unfortunately. Don’t get the hype at all unless my Firefox install was broken for some reason.

Firefox on iOS is Safari with Firefox sync.