According to the few test results, the Firefox Quantum web browser ran twice as fast as the previous version of Firefox while requiring 30 less RAM than chrome. Things have changed considerably for Mozilla after Firefox 57, also known as Firefox Quantum. If you are not satisfied with the current Firefox version or it simply is not working right now, there are alternative browsers that you can use to browse the web. As of now, Mozilla Firefox seems to be the biggest contender of Google Chrome. Use the latest version of another browser. For more information, see the article Switch to Firefox Extended Support Release (ESR) for personal use. Firefox ESR does not come with the latest features but it does have the latest security and stability fixes. Firefox Extended Support Release (ESR) is an official version of Firefox developed for large organizations, such as universities and businesses, but it can also be used for personal computers. Install Firefox Extended Support Release. Instead of downgrading to an older, insecure version of Firefox and changing your update settings, you should consider these alternatives: Contribute to SCD-Aix-Marseille-Universite/lama-addons development by creating an account on GitHub. In the General panel, go to the Firefox Updates section. Click the menu button and select Settings. Click the menu button and select Options Preferences.

In the Menu bar at the top of the screen, click Firefox and select Preferences. To prevent Firefox from automatically updating itself after you install an older version, you'll need to change your Firefox update settings:

Important: By default, Firefox is set for automatic updates.

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