I just tested 1.1.0
It suffers the same issues as 1.0.9
When I define an MQTT server, the polling stops functioning correctly. However, this time the interface was stable enough for me to reset the IP of the MQTT server to the following:
-.-.-.-
Doing this, the system recovers and works in Home Assistant with Polling again.
I don’t know where I can locate higher firmware versions than 1.1.0