Yeah, the article got up my nose as well. I've got a couple of hundred tabs in tab groups in FF, probably about 50 have something in them (the others aren't loa

Yeah, the article got up my nose as well. I've got a couple of hundred tabs in tab groups in FF, probably about 50 have something in them (the others aren't loaded until I navigate to them). Opening a new tab is instant. I get a fair bit more resource usage than you're reporting, though...