Tab groups have become one of Firefox’s most loved ways to stay organized — over 18 million people have used the feature since it launched earlier this year. Since then, we’ve been listening closely to feedback from the Mozilla Connect community to make this long-awaited feature even more helpful.


What does it mean “over 18 million people have used the feature”? It’s enabled by default, easy to trigger by accident, and can only be disabled in about:config.
I don’t know how to group tabs because I only do it by accident. But I do know how to ungroup them instead of deleting them. Why did I need to learn this step?