Support for 1st- and 2nd-gen Nest Learning Thermostats ended last week, but they can still be used and they may not stay dumb for long.
TL;DR
Earlier this year, Google announced it would end support for the first- and second-generation Nest Learning Thermostat on October 25, 2025.
These thermostats can still be used, but you can no longer control them remotely, receive notifications,... [2489 chars]