Toby Saunders

For information, the MQTT client used by ESPHome (paho.mqtt.client), (now?) supports QOS, meaning that changing this to be supported by ESPHome looks like it would just involve adding the configuration...

Hi @JeroenVanOort, Thanks for your work on this! Please forgive me if I'm missing something, but after implementing your pull request, I think there's a bug in your _on_modbus_read_registers_ function...