Youtube has it

Might be a significant issue if more applications adopt these kind of festures and can’t share the resources in a meaningful way.

I assume the benefit would be a better performance, anything else? Simple tab group is pretty feature packed, I’d think FF own would take some time to reach that level.

I have been using the Simple Tab Group extension for quite a while now - imho it has been pretty great. Not sure if this announcement adds anything for me

There are pro users that don’t need anywhere near that much memory.

Well, every computer is ”Pro” if you take professional writers as an example. But this is a marketing term anyways, not a definition. If it was an actual definition then I’d take it to cover ”most professional computing tasks”.