since Tabkit died with xul and Tree Style Tab beeing a poor replacement (that crashes often) i use vivaldi althou its still not as good as the original opera or

since Tabkit died with xul and Tree Style Tab beeing a poor replacement (that crashes often) i use vivaldi althou its still not as good as the original opera or ff-tabkit were in regards to the vertical tab ux. browser ux really seems like 'one step forward, two backward' over the last two decades.