It's a similar issue with licensing about Apple music and Dolby Atmos through CCwGTV. MQA it's a codec it won't decode until devs push it.
What device are using and what sound system? Your hardware may not be able to play back the high quality.
Yes, I'm also seeing the same thing on the ONN UHD but not on the Shield. I don't remember there being an app update recently. So maybe there was a server side switch.
Maybe there is a compatibility problem with MQA? I don’t know