The shellies connection seem stable (enough) and I can connect with them fine. I use Homey (Athom) to control everything. The main problem is that deco can’t handle the CoAP messages between the...

Thanks for the quick reply! However, I don't see 1.5.3 available for the M9 on the TP link website? Good to hear that they fixed it for the M5 though... hopefully that will also be implemented soon...

I'm experiencing the same problem with shelly's / CoAP with Deco M9 plus. The behavior is highly unstable. Just updated the firmware to 1.5.1. Deco's are set up as AP. Any ideas what to do/test are...