To be clear for the sake of other readers, Debian's firefox-esr package is Firefox. It's simply a release from Mozilla's Extended Support Release channel, as d

To be clear for the sake of other readers, Debian's firefox-esr package is Firefox. It's simply a release from Mozilla's Extended Support Release channel, as distinct from the Rapid Release channel that you are apparently using. Not a different project/product. https://support.mozilla.org/en-US/kb/choosing-firefox-update-channel https://support.mozilla.org/en-US/kb/choosing-firefox-update...