I factory reset the Assitant and the Chromecast and reset the router
multiple times. I even got a new router. I changed the assistant
language one time, but that did not help. Ever since I have used
Chromecast only to cast my phone, asking the assist...
Welcome to the club; some of us have been here for over a year with the
same issue. I am surprised to read that this option was working for you
so recently. I guess I just figured it no longer works for anyone since
Google didn't care to either respo...