To access Edge Workspaces, you’ll need a desktop running Windows 10, Windows 11, or Mac OS, Microsoft Edge version 144 or later, and to be signed into Microsoft Edge with a Microsoft (MSA) account or Microsoft Entra ID / Azure Active Directory (AAD) account.[1]

> Then there's a fact that a bunch of sites/webapps straight up refuse to work on firefox and they ask you to install chrome or something.

This is rare in my experience. And most were fixed with an extension to change the user agent string. Or were for amusement and used a new Chrome feature. Or used a feature Mozilla rejected for security and there were alternatives.

[1] https://www.microsoft.com/en-us/edge/features/workspaces?for...