imagic, I have the same TCL TV and I have posted on a number of occasions in the owners thread that DV looked too dark to my eyes on the DV Dark setting. This is using Vudu's UHD version of Star Trek Beyond. I had to change the setting to DV Normal for something that look satisfying. I currently don't have a UHD BD player so I can't compare. You mentioned that F8 looked darker through Vudu in your review so, could this be an issue with all Vudu UHD titles?
HDR10 content from YouTube and PS4 gaming has never looked to dark (I left the TV in HDR Dark) but, for some reason DV does, even the few Netflix videos I've sampled. Is this just the nature of DV or are the streaming service missing something? Can you recommend something from a streaming service that looks really good in DV?
Also, our room is not completely dark but, again, HDR10 content looks great. It bugs me to no end because most people say DV should have a slight edge over HDR but, to my eyes on the TCL, HDR looks better (at least at eaches default Dark mode).
Thanks for the review of F8, makes me even more anxious for the Xbox One X which will be my UHD BD player.
PSN ID: CrimsonNagus
XBL GT: Crimson Nagus