Detached nodes in ZWave Network viewer

I don’t think a patch is needed because my Danfoss is working fine. It was working with openHAB1, it was working with openHAB2 snapshot and it is currently working with the development binding.
I can’t remember any user reporting this issue.

Maybe you should

take that advice and switch to the development branch. The breaking change with deleting nodes and recreating for that binding version to make it work again has to be done anyway, so why not give it a try: