https://en.cayin.cn/down1/show?id=13616
1. MQA audio playback capability; <--- understand what this is
2. Top status bar of Now Playing screen to display ‘MQA’ or ‘MQA Studio’ to indicate that the product is decoding and playing an MQA file, and denotes provenance to ensure that the sound is identical to that of the source material. ‘MQA Studio’ indicates it is playing an MQA Studio file, which has either been approved in the studio by the artist/producer or has been verified by the copyright owner; <--- understand what this is
3. The multi-color smart LED glows blue to indicate that the unit is decoding and playing an MQA file (sample rates from 44.1 to 352.8kHz); <--- understand what this is
4. Other Bug fix and optimization. <--- what might this be?
Also.... MQA is showing as green not blue