Zigbee2MQtt not working after update to 2.0.0

[tom_l]

1. Add the correct adapter: to your serial: config, See: Adapter settings | Zigbee2MQTT

2. Use the new event.xxx entities instead of sensor.xxx entities for buttons and the like, See: Home Assistant | Zigbee2MQTT

Other topics that may help:

• Action entity missing for zigbee switches - Zigbee2MQTT - #20 by jdbrookes

• Using the new action events in Zigbee2MQTT 2.0

• 2025.1 disabled my illuminance sensor entities - #3 by jchh

If you want something simpler you could try ZHA instead.