Improvements and bug fixes.
- Support for Family Sharing accounts
- Much faster response when Nest status/settings change (now nearly instantaneous, instead of several seconds)
- Support setting of Eco temperature bands while in Eco mode
- Improved reliability when setting heat/cool/auto/off mode
- Fix rounding bug that caused temperatures in HomeKit to be off by up to 1 degree F
- Fix glitch when setting Home/Away mode
- Only one Home/Away switch is now created per structure, instead of one per thermostat
- Home/Away accessory can be moved to a different HomeKit room to the thermostat
- Home/Away accessory can now be set to a switch, occupancy sensor, or both
- Improved robustness to temporary communication problems with the Nest service
- Improved compatibility with iOS 13