Firefox ESR 91.3.0 released

[Ryan VanderMeulen]

Hi,

We are pleased to announce that the Firefox ESR 91.3.0 release is now
available for download at:
https://www.mozilla.org/firefox/organizations/all/

As always, we recommend that users keep up to date with the newest version
of Firefox ESR for the latest stability and security fixes.

Per previous communications, please note that the release of ESR 91.3.0
also marks the official end of support for ESR 78.x. There will be no
further updates beyond 78.15.0 and users receiving automatic updates will
now be updated to 91.3.0.

Release notes for Firefox 91.3.0esr are available at:
https://www.mozilla.org/firefox/91.3.0/releasenotes/

Associated security advisories are posted at:
https://www.mozilla.org/security/advisories/mfsa2021-49/

Ryan VanderMeulen,
Firefox Release Manager