Leaked images posted on X by @MysteryLupin show a fourth-generation Nest Learning Thermostat and new temperature sensors, as well as several other thermostats: Nest E, Nest Learning Thermostat (3rd Gen). Missing from the pictures is the Nest Thermostat (2020), presumably because it’s not compatible with Nest’s room sensors.
The new addition looks similar to the third-generation model but appears to have a more curved display while retaining the physical dial, as pointed out by 9to5Google. The display is likely a touchscreen, as with the third-generation model, and the image shows a new icon with three wavy lines.
This indicates that the new thermostat is also an indoor air quality monitor, which would be a new feature for Nest…