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Using the update entity, services such as WLED running on an ESP8266 or ESP32, Pi-hole, and Synology DSM can inform Home Assistant whenever an update is available.
Using Home Assistant's Switch as X helper, you can convert any switch in to a light, fan, cover, or any other device type.
As of Home Assistant Core 2022.4, Groups can finally be created and edited, without ever having to open a text editor.
We no longer speak of Lovelace, but of Home Assistant's Dashboard.