This is great news, this means where I now need 3 cables on the Oxi split, I can now use 1 cable via USB with 2 lanes 
Update: can confirm this works, can anyone say if the MRCC delivers enough juice to top up the battery, even if very slowly? are there any USB C splitters so I can charge as well?

Update: can confirm this works, can anyone say if the MRCC delivers enough juice to top up the battery, even if very slowly? are there any USB C splitters so I can charge as well?