Using either the PPA or the Snap package to install Firefox ESR, your current Firefox installation will not be overwritten, so you can continue to use both the latest Firefox release, as well as Firefox ESR. Install Firefox ESR In Ubuntu or Linux Mint (PPA or Snap) While Firefox ESR is not available in the Ubuntu and Linux Mint repositories, it's easy to install it in both, either by using the Snap Store or by using the Mozilla Team Firefox ESR and Thunderbird stable builds PPA. Since Firefox ESR is focused on security and stability, rather than new features, the next major version (68.0) will be released in September, 2019.įor more about Firefox ESR, see this page.

The latest Firefox ESR version is currently 60.3.0, released on October 23, while the latest regular Firefox release is 63.0.3. These Firefox builds are not only targeted at organizations, but also at individuals who prefer stability over new features, or who prefer a UI that doesn't change between releases and extensions that don't break upon upgrading Firefox.

These ESR Firefox builds are intended for organizations like universities, governments, businesses, and others who need mass support deployment.įirefox ESR releases are maintained for more than one year, and only receive point (minor) releases containing security updates, coinciding with regular Firefox releases. Firefox ESR (Extended Support Release) is an official version of Firefox that doesn't come with the latest features, but instead focuses on security and stability fixes.

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