Firefox only supports last 3 macOS releases, matching the Apple support cycle.Firefox 78 ESR is the last version of Firefox that supports macOS versions This means that Flash will officially be out of support on Firefox when Firefox 78 ESR reaches EOL on. The last version of that ESR will be 78.15, which is scheduled to be released on. Firefox 78 ESR is the last version of Firefox that supports Flash.Version number is always X + 2, X being the Firefox version number. This is the branch that first features new changes/features, which then may be forwarded to Firefox Beta after being tested. It gets daily updates which represent the master branch.

Version number is always X + 1, X being the Firefox version number.įirefox Nightly: This is the branch that receives all the changes before anything else. It gets released alongside the Firefox Beta release, following the same release pattern. Version number is always X + 1, X being the Firefox version number.įirefox Developer Edition: This branch is based off the Firefox Beta branch with additional DevTools merged in. Every four weeks it gets cherry-picked changes from Nightly, then follows a three weekly point release aimed at stabilizing the release for the stable branch. For more information you should review the release cycle documentation.įirefox Beta: This branch is meant to reflect what the next Firefox release will look like. Usually these branches are supported for a year, with a planned release calendar for new ESR branches. Firefox ESR does not come with the latest features, but it has the latest security and stability fixes. Once a new release is out, the older release immediately stops receiving support and everyone must migrate to the next Firefox release.įirefox Extended Support Release (ESR): is an official version of Firefox developed for large organizations like universities and businesses that need to set up and maintain Firefox on a large scale. It’s the stable branch with the latest features available. Firefox has two main release channels:įirefox: Simply named Firefox, this is the default channel and is the one recommended.

Firefox is available for Windows, macOS, Android, iOS, and Linux, and ChromeOS. This site uses Just the Docs, a documentation theme for Jekyll.įirefox, is a free and open-source web browser developed by the Mozilla.

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