I'm in the group that uses multiple browsers. Its hard going between Safari and Firefox:

* Safari has tab groups. I guess Firefox is working on it again

* FF 129 just got Tab previews, but you have to hover over each to see it. Safari can show you previews for everything in a tab group

It sounds like FF is catching up slowly, but compared to Safari's UI, still feel like IE6. I use it for uBlock mostly.