myrtledog macrumors regular Original poster May 5, 2018 #1 now just need Atmos on AppleTV and I can ditch my Roku...
geesus macrumors 6502 May 5, 2018 #2 Not working for me. Neither HDR or Dolby Vision being triggered on my B6.
myrtledog macrumors regular Original poster May 5, 2018 #3 Per Reddit Apple TV 4K - app version 1.1.0 (be sure to set default playback quality to UHD)