Since their initial launch, Firefox ESR releases have become more and more popular among various organizations that aim to offer customers a stable, long-term supported, and reliable browsing experience. Firefox ESR is known to be used in schools, universities, as well as small and medium-sized businesses. The current Firefox ESR branch is based on Firefox 52, but it’s nearing its end of life in six months, so Mozilla now plans to promote the upcoming Firefox 60 release to the ESR channel, along with a new policy engine that promises to make Firefox deployments and integration into existing infrastructures a lot simpler for sysadmins.