Roku Device Features, Settings & Updates

[BrockGuffman]

Very disappointed that leaving many of us behind....why would Roku do this and not have Dolby Vision 30 hz option as in the past....fix this please....upgraded and now regretting

[retaichraq123]

So I didn’t know there was a Hz consideration with DolbyVision until yesterday when I brought home the new Nvidia Shield (which is awesome, btw). However, when I turned on the system and activated the DolbyVision, it told me that my TV (B8) could not handle DolbyVison 4K at over 30 Hz and things would seem slow as a result. Does the B8 not support DV at higher rates? Could this be a HDMI cable issue? Any help would be Speed Test appreciated.