I tried also on another Mac mini and the same situation.
Yes my ToneBoosters EQ4 plugin doesn’t work when when using UPnP to my iFi Zen Stream so happy to hear that it’s being worked on 
Hi Antoine
I’m currently using the trial of the Dirac Live VST plug-in Software.
I stream from a windows computer running Audirvāna Studio and have attempted to configure the VST 3 in the plugins section like others here.
My Sotm SMS streamer is also a upnp device which plays Audirvāna to perfection. Never a problem.
But I also can’t get the Dirac Live calibration step to work because no sound is emitted from either speaker.
So glad I read this thread and been made aware that you’re working to resolve this problem.
Eagerly awaiting your update.
Thank you so much.
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