Firefox 57+ (Quantum) and Vertical Tabs

As you probably noticed with Firefox 57 codenamed Quantum a lot has changed - plenty of extensions are now not working. However one of the things I found particularly annoying was that while I was using the vertical arrangement of tabs using extension such as Vertical Tabs Reloaded (Tree Style Tabs doesn't seem to work atm) the tabs were effectively doubled - one on top and the other one showed on the side - definitely not as intended. Solution? Open the profiles directory (if not sure where Read more [...]