Gapless (groan) with RoPieee and BubbleUpnp

[dartmoor]

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I didn't know there was a player!
Those requirements are in addition to the OS requirements obviously.
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Nor did I until I investigated OPenhome. As they say:

"The application runs on Raspberry Pi in GUI mode as a GTK application, or if you don’ want a GUI version, you can download the headless version which runs straight from the commandline."

I'm tempted to see if this gets rid of the BubbleUpnp gap problem.