I have noticed this recently. I will have an album in my library and just 1 or 2 tracks show up with MQA info. For example the new Lana Del Rey “Lust For Life” in 24bit shows Track #3 (13 Beaches) with MQA info and none of the other 15 tracks have this. Does this make sense? Why is there MQA on this?
This is a known issue: