Yes, but there are forks that are more private and have saner defaults like Mull, however some privacy guides warn against using anything firefox-based on android at all due to lack of process isolation and I think a couple other things.

https://discuss.privacyguides.net/t/revise-statements-on-gecko-browsers-android-to-make-security-shortcomings-clear/17840

Friendly reminder to define your own threat model and do what makes the most sense for you personally, as many privacy opinions in communities and guides like this might be seen as too extreme to some people... I'm just relaying information I have seen that probably most people haven't.