Wasn’t he already doing that? You know, from his botched penis job or whatever?

What functionality would I lose/gain if I switch from Firefox to Librewolf? I’m admittedly an amateur in the privacy space, and I’ve been pretty content with Firefox + Ublock and container tabs for different profiles, but I consistently get the issue that my browser fingerprint is pretty unique, and I have no idea how to or even if I can anonymize that anymore.