The Flatpak supposedly works fine, but I'm guessing if you had a Snap installed to begin with, you were probably on Ubuntu or one of its derivatives and getting

The Flatpak supposedly works fine, but I'm guessing if you had a Snap installed to begin with, you were probably on Ubuntu or one of its derivatives and getting both Snap and Flatpaks to coexist may have been untenable. I've been meaning to switch, but I'm on a certain RPM-based distro where the Firefox package in particular goes through its own set of QA testing, so I'm happy to stay on that.