In this thread @ mdf and @ PANiCnz told me about Zigbee2mqtt for temperature / water leak sensors for use with Home Assistant. At the time I went in a different direction, but now I have Home ...

The problem What happened? When I rename a device in Zigbee2MQTT and check the "Update Home Assistant entity ID" checkbox, I'd expect the Home Assistant entity ID to be updated, but with HASS 2025.7 ...

I've downgraded Zigbee2MQTT to 2.4.0 and still face the same issue. I then downgraded Home Assistant from 2025.7 to 2025.6 and the issue is fixed. As such, this is clearly something that broke with ...