Haven't been able to live without it for at least 15 years now. I remember years ago the switch to the 'new' addon system when Firefox had a major update. I stayed on the old Firefox until Tree Style Tab was ported to the new one.
Haven't been able to live without it for at least 15 years now. I remember years ago the switch to the 'new' addon system when Firefox had a major update. I stayed on the old Firefox until Tree Style Tab was ported to the new one.