


While you can download older builds manually going back to the first Firefox, they won't have the latest security updates.Īside from the security updates included, you'll most likely not even notice that Mozilla Firefox ESR is a few builds behind. It's for anyone who needs to use a previous build of Firefox safely. Firefox 94 is a lean, mean browsing machine. And the result of that is the new generation of Web discovery a more intuitive and useful browser. As it is powered by a new Quantum engine, Firefox has doubled its speed. In other words, Mozilla Firefox ESR is designed to be three versions behind the current official release but with the latest security updates. Mozilla Firefox 94 is a fast, secure and easy to use web browser. Mozilla Firefox ESR (Extended Support Release) is an older build of Firefox updated roughly every 42 weeks for major changes and every 4 weeks for minor changes.
