As a final note, the "normal" use of UADP is over UDP.

Okay, but "normal" is often from your point of view

My "normal is more

UADP over Ethernet, (TSN), or UAFX (UA FLC, Field Level Communication).

At least for the next view years.....

And since I am more a tester than a software developer, it would be great if I could have a date or timeframe for your next "product release".
Or maybe any pre-release of this specific tool (EasyOpcUAPubSubDemo) ?
I can over you a good test for this tool
Best regards Gunter

I want to tryout UADP message over Ethernet transport. For this I use your OPCUA Demo Publisher in Interactive mode.
This seems to be working because i can see the Messages in wireshark on the configured Network Card.
But than in a next step i want to see the messages in your Easy OPC-UA PubSub Demo Application. For this i choose:
UADP messages over Ethernet transport, demo publisher on the local network. And than i tried to subscribe.
But this will result in an error message:
Die Datei oder Assembly "OpcLabs.Pcap" oder eine Abhängigkeit davon wurde nicht gefunden. Das System kann die angegebene Datei nicht finden.
+ Getting type with name "OpcLabs.Pcap.CaptureDeviceEthernetMessageChannel,OpcLabs.Pcap".

And also when i try to configure the connection for "EthUadp" it always result in error: "OpcLabs.Pcap" oder eine Abhängigkeit davon wurde nicht gefunden
But wireshark is installed and working.
And when i try to use UADP messages over Ethernet transport, data from capture file on disk, this results directly in an exception. I put the debug info here as an attachments.
Would be nice to get any support to get this test running
Best regards
Gunter