One idea I'd just thought of adding might be to use the empty space below the tabs with a top-list of frequently used URLs, excluding those already open. And ma

One idea I'd just thought of adding might be to use the empty space below the tabs with a top-list of frequently used URLs, excluding those already open. And maybe the most recently closed tabs. Also when mentioning productivity, I immediately thought of putting check boxes or labels on the tabs. Or swipe actions.