This sort of sounds like Tab Groups, but tabs only get offloaded if you close and reopen your browser with that feature. The end result is if you accumulate a l

This sort of sounds like Tab Groups, but tabs only get offloaded if you close and reopen your browser with that feature. The end result is if you accumulate a lot of tabs, they don't affect performance unless you've looked at them recently (e.g., since you opened the browser).