What Google just did to Nest is the one thing no company should ever do

Back in October, Google ended software support for the original and second-generation Nest Learning Thermostats.
9to5Google

Google Nest Hub ‘apps’ have mostly disappeared over the years

While the exact timing is unclear, it was first highlighted on Reddit that apps on Nest Hub are simply gone. There are a handful remaining, including Search, YouTube TV, Sling TV, and “Stories,” but ...
Android Authority

Old Nest thermostats are about to become dumb: What you need to know

Google is terminating all smart features of older Nest thermostats. This change happens in October and will affect the Gen 1, Gen 2, and Gen 2 (European version) models. Other models are unaffected.