HUGE ISSUES WITH FIREFOX 89.0 FOR MAC
Firefox 89.0 for MAC is a disaster. Tab toolbar is above the URL bar -- Horrendous. Worse yet, is that tabs and links are loading SO SLOWLY!!! I have deleted history and cache. Have rebooted and reloaded. Still a mess. Can I go back to previous Firefox? How do I do that? Is there a way to fix the slow load. I am just hating this new situation. A total mess.
Time Machine? You can roll back the App and also the entire App Support>Firefox in your Home>Library>Application Support>Firefox to just a minute before you updated, if you wish ...