As has been said time and again, ColorfulTabs wouldn’t work at all until this Firefox bug is fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=1320585
Legacy AddOns fixed to work on current versions of Firefox and lots of awesome goodies!
As has been said time and again, ColorfulTabs wouldn’t work at all until this Firefox bug is fixed: https://bugzilla.mozilla.org/show_bug.cgi?id=1320585