Mozilla plans to release Firefox 84.0.2 on January 6, 2021 Firefox release is not available if there are not any last minute issues that would delay a release, Firefox 84.0.2 will become available in the coming hours. Firefox users who have not turned off automatic updates will receive the update automatically. Those who don't want to wait for that to happen can select Menu > Help > About Firefox after the official release to initiate a manual update of the web browser. https://www.mozilla.org/en-US/firefox/84.0.2/releasenotes/ Not yet updated..For more info go here https://www.ghacks.net/2021/01/06/firefox-84-0-2-is-a-security-update/
Available through builtin updater