Finally managed to get a barely working #Matter setup by using a Ukranian #Smlight MR1U, which has radios for both #Zigbee and #Thread. Very cool device which can be freely flashed with plenty of firmwares and powered by either PoE or USB.
Sadly my #HomeAssistant installation on a #Pi400 refused to detect the device via USB. Moved the sd card to a #Pi4 and it got detected right away. Huh.
After messing with the outdated Python Matter Server I got a single #Kajplats bulb working, all other Matter devices refuse to connect. 😂 Well, at least it's a star of something.
Or I just stop wasting my time now and move on to Zigbee for now. 😮💨