The Nest Community is now Google Home & Nest!
We have moved to a new home. Please visit the Google Home & Nest Community to connect with other users, ask questions, and explore the new space.
Have you figured more out since your post? We have the exact same
situation. When we only had the Nest app, home/away assist worked
perfectly. As soon as we migrated to Google home, it got totally messed
up. Sometimes it works for a few days and then...