You updated from version before 1.0.0-Beta36 of the Better Thermostat integration, you need to remove the BT devices (integration) and add it again.

What's Changed

• await check_ambient_air_temperature by @virtualm2000 in #567
• window open fix by @wtom in #581
• change wordings

Special thanks too

• @wtom made their first contribution in #547
• @virtualm2000 made their first contribution in #567