If you are looking for official OZW 1.6 integration in Home Assistant, 0.110 will be very promising.
Check the thread @jumpmaster posted on 27 Jan that links to the topic “The future of Z-Wave in HA”
In case you miss it - link here The Future of Z-Wave in HA - QT-OpenZWave
When completed, it looks like it may be a step ahead of zwave2mqtt.