Mozilla 52 Esr ((new)) Jun 2026

Mozilla Firefox 52 ESR (Extended Support Release) is a version of the popular open-source web browser, Firefox, released in March 2017. As an ESR version, Firefox 52 ESR is designed to provide a stable and secure browsing experience for organizations and individuals who require a longer support cycle. In this write-up, we'll explore the key features, improvements, and security patches included in Firefox 52 ESR.

The successor to Mozilla 52 ESR is Mozilla 60 ESR, which was released in May 2018 and is still supported by Mozilla. mozilla 52 esr