
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.
