Here https://bugzilla.mozilla.org/show_bug.cgi?id=1320585 is issue that blocks ColorfulTabs convert to Web Extension for add support Firefox 57. Let's vote for implement this feature in Firefox!
Legacy AddOns fixed to work on current versions of Firefox and lots of awesome goodies!
Here https://bugzilla.mozilla.org/show_bug.cgi?id=1320585 is issue that blocks ColorfulTabs convert to Web Extension for add support Firefox 57. Let's vote for implement this feature in Firefox!