Oh wow, I clicked on that link on mobile and was unable to go back. Pressing the back button just redirected to the same page over and over again. Usually you only see that on malicious ad sites.
If you don't know already, long press on the back button solves the problem.
Microsoft's largely useless support site does the same thing. There's something weird afoot in that organization.
Microsoft's tech forum pages have been highjacking the back button for years now. It's really despicable...
Nope - "We're sorry—we've run into an issue."
Nope, it doesn't. FF stable on MacOS.
Teams is, was, and will be the absolut worst. They only won, because it's bundled into MSO.