I have a z-wave stick in the RPi4 and apart from the quirks in the aeotec stick, it works very reliably.
With the later versions of Ha, the Z-wave configuration has gotten way simpler, and it’s quite a bit easier to add the lock than before.
One thing though, I have the BTZE version of DL3, and to add it to Ha, you should use the app and activate the Z-wave from that. There is a rather simple guide, a 5 step one, and it’s even simpler now:
If you want help with it, let me know, and we’ll do it in our native tounge