Missing DVBSUB subtitles in MPEG-TS network streams on Dune HD Real Vision 4K


Novice Member
We started out with the Base 3D model, but when that was discontinued we changed to using the Solo 4K and Solo Lite models. Since those models have now been discontinued as well we're looking for a new model to replace them for future installations. The best candidate looks to be the Real Vision 4K model.
However, we encountered a MAJOR problem with this model with regards to DVBSUB subtitles in MPEG-TS files:

When playing a MPEG-TS file from a USB-stick directly connected to the Dune media player, we can see and select each of the available subtitle tracks / languages (as expected). But these subtitles are completely absent if the exact same MPEG-TS file is streamed across the network, regardless if UDP multicast or an HTTP server is used.
This used to work just fine on the Linux-based "older" models, regardless of how the file was read by the media player.

Any help is appreciated why the subtitles are ignored.

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