• Notify: Command line platform added (@stefan-jonasson)
• Sensor: Verisure mousedetectors now supported (@turbokongen)
• Core: Entities can now expose if they assume their state representation is correct (@balloob)
• Sensor: TCP platform added (@flyte)
• Binary Sensor: TCP platform added (@flyte)
• Sensor: Neurio energy sensor now supported (@infamy)
• Binary Sensor: nx584 support added (@kk7ds)
• Improve and clarify CI testing (@sdague)
• Automation: State platform now takes optional for config parameter to only trigger when a state hasn't changed for a certain period of time (@pavoni)
• Sensor: Nest weather data added (@w1ll1am23)
• Device Tracker: Ubiquiti Unifi now supported (@kk7ds)
• Binary Sensor: MySensors now supported (@MartinHjelmare)
• Binary Sensor: Bloomsky now supported (@balloob)
• Binary Sensor: Z-Wave now supported (@tpatja)
• Switch: D-Link W215 smart plug now supported (@LinuxChristian)
• Script: Toggle support added (@andythigpen)
• Light: Wemo now supported (@jaharkes)
• Rollershutter: Command line platform added (@t30)
• Sensor: Steam now supported (@GreenTurtwig)
• Binary Sensor: Wink now supported (@w1ll1am23)
• Demo has been updated (@kfgoode)
• Frontend: new UI for camera's (@balloob)

Backwards incompatible changes

• Component: Simple Alarm has been removed. Still available in the cookbook.
• Script: Turning on a script that is already on is now a no-op
• Wemo now has to be set up via the main component
• Command line platforms for switch, sensor and binary_sensor have been renamed to command_line