* Host should be optional for apcupsd component (#3072)
* Zwave climate Bugfix: if some setpoints have different units, we should fetch the o… (#3078)
* Bugfix: if some setpoints have different units, we should fetch the one that are active.
* Move order of population for first time detection
* Default to config if None unit_of_measurement
* unit fix (#3083)
* humidity slider (#3088)
* If device was off target temp was null. Default to Heating setpoint (#3091)
* Fix for BLE device tracker (#3019)
* Bug fix tracked devices
* Added scan_duration configuration parameter
* fix homematic climate implementation (#3114)
* Allow 'None' MAC to be loaded from known_devices (#3102)
* Climate and cover bugfix (#3097)
* Avoid None comparison for zwave cover.
* Just rely on unit from config for unit_of_measurement
* Explicit return None
* Mqtt (#11)
* Explicit return None
* Missing service and wrong service name defined
* Mqtt state was inverted, and never triggering
* Fixed Homematic cover (#3116)
* Add missing docstrings (fix PEP257 issues) (#3098)
* Add missing docstrings (fix PEP257 issues)
* Finish sentence
* Merge pull request #3130 from turbokongen/zwave_fixes
Bugfix. climate and covermqt
* Back out insteon hub and fan changes (#3062)
* Bump version
* Special frontend build for 0.27.2
* Insteon support for brightness
* Farcy fix for unused constants.
* Remove unused constant and fix whitespace.
* Prevent toggle switches from jumping between states.
* 255 not 256
