Rated 5 out of 5 stars

Virgule কর্তৃক ডিসে. 5, 2018 তারিখে · permalink

Good news, this add-on can be made to work in TB 60.x with a simple tweak. See here:
http://forums.mozillazine.org/viewtopic.php?p=14817422#p14817422

Many thanks to Paolo for his add-on!