Zidoo released a new beta firmware for their model Zidoo 
via OTA.
As always, use it at your own risk!
Changelog
Since v6.3.30 System 1. Added ROON Ready playback. Site: https://roonlabs.com/partners/zidoo Regarding the prompt that Z9X is not certified by ROON, we are waiting ROON server to be activated, it is delayed because of time difference and weekend, thanks for your patience. 2. Optimized NFS lag playback problem. 3. Optimized the long press function of the remote control. Home Theater 1. Fixed abnormal display when collections are added into custom category. Music Player 1. Fixed the problem that song details interface is sorted incorrectly. 2. Added the custom sorting function on left menu. 3. Optimized CUE seamless playback. 4. Fixed abnormal sound problem when outputting some DTS-CD files via RAW. 5. Optimized the information display of the playback details interface. Player 1. Optimized some shortcut key. 2. Optimized the fast forward function of the remote control. 3. Added subtitle setting function to the subtitle list.