The little blue light is replaced by the letters "MQA" on the processor screen or the DSP panel - just as easy to understand as a blue light. I'm sure the 861 will get it eventually.

The Waldrep article is quite old and was written before the DAC management aspects of MQA were properly understood.

Streaming: Roon, NUC, QNAP869 NAS
2ch system: dCS Vivaldi, Audionet Stern, Audionet Heisenberg, Magico Q1
Retro system: 101/104/105, Red Rose Spirit