Now we need some HW DLNA devices to update their firmware to support these extensions!.... or a way of flashing these devices to run MC
This! Or a range of JR hardware.
JRiver1, a mini, standalone speaker (think google home mini)
JRiver2, a larger, better quality one (think google home)
JRiverOutdoor, an outdoor version
JRiverBar... you get where I'm going :-)
Built in RPi + amp.
Now, if only we could get some streaming services happening...