Tree Style Tabs is one of my favourite browser extensions of all time, but it's alreody pretty broken on Firefox 42, and apparently it depends quite a bit on re

Tree Style Tabs is one of my favourite browser extensions of all time, but it's alreody pretty broken on Firefox 42, and apparently it depends quite a bit on reaching into the browser's UI code and rewritiing chunks of it. I will be very sad if it breaks completely, but not very surprised.