We now support TIDAL Hi-Res master that's higher than CD quality (44.1 kHz/16 bit). It's 44.1kHz or 48kHz, 24-bit lossless FLAC.
The MQA core decoder has been supported with TIDAL Connect, you can go to the Device tab-> Device settings gear icon -> Audio Settings -> MQA to turn on MQA.
Please note TIDAL master supports multiple formats besides MQA. For more details on the TIDAL master support, please check this tutorial.