Just checked what was going on with my Nest thermostat and now it is
back online with no issues. Everything works as it did before. No idea
what changed, but I’ll take the end result.
I have the same problem. I migrated my Nest houses and devices to Google
Home and about a day later, the Nest app shows my thermostat is Offline,
but it works just fine and doesn’t appear offline to Google Home. I
added a new Google Nest Outdoor Came...