I recently published a video about breaking Zigbee2MQTT update but I failed to notice a second breaking change. They removed the Zigbee "Button Click" or Action Entity from buttons! The solution is to grab it from the "MQTT Device Trigger" with an automation inside of HomeAssistant.

I will be including the Videos that are a part of the DIY Security Alarm Playlist above. I will try to paste the code (YAML, JSON, etc.) below for you to copy. I may need to find a better way to share these so let me know if you are