I just noticed that I always have to toggle between a different timecode mode and then switch back to Network. Otherwise it simply is not recognizing the network timecode. Once that is done it perfectly get the timecode.
Please could you confirm which piece of software you are using to generate Art-Net Timecode? Is this software running on the same PC as ONYX, or an external PC?
I have tested Art-Net Timecode in ONYX 4.32.1302, and with Art-Net enabled under EtherDMX, ONYX is able to reliably detect an Art-Net Timecode source on the network.
it is a tiny selfwritten timecode player. It is running on the same PC and I am using the loopbackadapter for the connection from the software to Onyx. Here you can see how it behaves on my machine. The timecodesignal is running since the start of the video.
I will take another PC and try the same to hopefully verify that this is also the case on that one.