an update to the next version will be offered through the application update service.

no further updates will be offered for that version.

Backports of any functional enhancements and/or stability fixes are not in scope.Īt the end of the support period for an ESR version: Maintenance of each ESR through point releases is limited to high-risk/high-impact security vulnerabilities, and in rare cases may also include off-schedule releases that address live security vulnerabilities.

During the first two cycles, please report any bugs such as web compatibility regressions and stability issues. We rely on Firefox ESR users to provide feedback for each new ESR release.

The ESR version will also have a three cycle (at least 12 weeks) overlap between the time of a new release and the end-of-life of the previous release to permit testing and certification before you deploy the new version to your organization. These point releases contain security upgrades. The ESR release is based on the regular release cycle of Firefox for desktop.ĮSR releases are maintained for more than a year, with point releases that coincide with regular Firefox releases. Firefox offers an Extended Support Release (ESR) for organizations, including schools, universities, businesses and others who need extended support for mass deployments.

What is mozilla firefox esr