I am using an Ecobee thermostat with a heat pump and it is working, for both heating and cooling. Is it doing something inefficient or wrong? What am I missing

I am using an Ecobee thermostat with a heat pump and it is working, for both heating and cooling. Is it doing something inefficient or wrong? What am I missing out on? Edit: Ecobee says they support heat pumps. https://support.ecobee.com/s/articles/What-types-of-HVAC-systems-are-ecobee-thermostats-compatible-with https://support.ecobee.com/s/articles/What-types-of-HVAC-sys...