Mozilla sent Firefox Version 80.0.1 to the release channel today with a number of bug fixes. At the time of this posting, Firefox ESR remains at Version 68.12.
Update: To get the update now, select "Help" from the Firefox menu, then pick "About Firefox." Mac users need to select "About Firefox" from the Firefox menu. If you do not use the English language version, Fully Localized Versions (https://www.mozilla.org/en-US/firefox/all.html) are available for download.
Release Notes (https://www.mozilla.org/en-US/firefox/80.0.1/releasenotes/)