Any update on this? Last official update seems to be from May this year mentioning the devs looking into a possible implementation.I´d love to be able to come back to Firefox but the vertical tab implementation on Edge is literally what´s keeping me ...
Chiming in here as well. Using Edge as my main browser at the moment but would love to go back to Firefox fulltime.Can´t really give up the MS Edge vertical tab implementation though. It´s just too good and makes my life so much easier. Treestyle Tab...