I have the switches working great with Hass.io (Home Assistant).
I just followed the steps from this post: (Zwave 1.4) Dimmer Support in HomeAssistant? - #9 by Knoxie89
As @doublepedaldylan said, once they get ozw updated to 1.6, it should all work out of the box, but those steps will get you up and running for now!