It’s October 2024 and I’m sitting here in my creative maker studio, wearing a bright t-shirt that excitedly bellows “MQTT 25”! To my left is a top-end Bambu Lab X1C 3D printer, that uses MQTT internally for communication. On my wall are a variety of connected gadgets that display data or that light up in response to MQTT notifications. Node-RED is sitting quietly on a Raspberry Pi in the corner, processing MQTT messages as they come and go. Today is the official 25th anniversary of the publicat...