Add support for timestamp device class #2087
Merged
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This adds support for sensors with the timestamp device class. This way sensors can just publish the timestamp and we are going to compute the time. This way we can finally stop people from updating a state in the state machine every second and killing their DB, then blaming us history is slow 🤷♂️
Architecture issue for device class: home-assistant/architecture#39
Docs PR: home-assistant/home-assistant.io#7606
Added all the format options one could ever dream off:
relative
total
date
time
datetime
(all localized with users language)