Google Nest Community

Do you see any Chromecast devices in the Google Home app

Yes, progress made and it is working 

It has already been implemented (the fix), you have to make sure you are connected to the (right) Google account so they can send the fix

Here is how it works. You have to be logged in to your Google account (so Google sees you and can send you the fix)In the Google home look top right to see which Google account are you logged in