We are excited to share that vertical tabs and a new sidebar experience are now available in Nightly 131. This update has been highly anticipated and requested by the community, ...
Yeah! It’s finally here!
Okay it’s not sexy as some extensions already available but it’s a good move!
I think the ultimate form of Firefox vertical tabs is sideberry
when they natively have all or most of the features that sideberry has, they would have mastered it