FYI, (answering my own post/question), recently got a kind, detailed reply from RIGELIAN support, not quoting word for word, but from memory:RIGELIAN advertises its capabilities with poly, furthermore its capabilities with qobuz, but only for openhome devices. So RIGELIAN with qobuz streaming on poly would not work. Am I right?
Qobuz is only shown in the navigation tree after pressing "edit" BTW. Forgot to say, I am aware of that poly is far from being "open".
Could anyone please prove me wrong?
Edit: I bought the premium version of RIGELIAN, but it does not let me put in my qobuz credentials anywhere.
Edit2: I RTFM of Rigelian too, to the best of my knowledge.
It is not designed to support my use case of streaming with qobuz. (end of part of "not a quote")
Nevertheless it's a frequently enough updated, apparently neat piece of software worth of being supported imho.
So I am still a happy poly user(despite all NOs, would love (ssh+)rsync), with only one use case (streaming with qobuz), having no issues so far.