I suppose the "block third-party cookies and site data" must be why this is mostly broken at home (doesn't show logins to 5-6 sites that I'm logged in to), but

I suppose the "block third-party cookies and site data" must be why this is mostly broken at home (doesn't show logins to 5-6 sites that I'm logged in to), but works properly at work (didn't bother to set that option there). Never toyed with exactly what the "site data" part means, though.