What Is Latest Firefox ESR Version?
Firefox ESR 91.0esr, See All New Features, Updates and Fixes.
How do I find the ESR version of Firefox?
You should see the update channel in "Firefox > About" and on the troubleshooting information page (Help > Troubleshooting Information).
How do I know if I am on esr? | Firefox Support Forum
How long will Firefox 78 ESR be supported?
The Firefox 78 ESR is the last version of Firefox that supports Flash. The last version of that ESR will be 78.15 which is scheduled to be released on 2021-10-05. This means that Flash will officially be out of support on Firefox when the Firefox 78 ESR reaches EOL on 2021-11-02.
Firefox for Enterprise 91 - Release notes - Mozilla Support
How often is Firefox ESR updated?
Extended Support Release (ESR): receives major updates on average every 42 weeks with minor updates such as crash fixes, security fixes and policy updates as needed, but at least every four weeks.
Choosing a Firefox update channel - Mozilla Support
Is Firefox ESR no longer supported?
Firefox ESR versions are maintained for a longer period compared to stable releases. ... The latter will see two additional releases, Firefox 78.14 ESR and Firefox 78.15 ESR before it will be discontinued; this will happen in October 2021. Firefox 91 ESR marks the beginning of a new base for extended support releases.
Firefox ESR 91: new ESR version will be released tomorrow