Is in the news.
https://www.google.com/search?q=LG+Promises+HDR+Gaming+Fix+%27Soon%27+For+Its+OLED+And+LCD+TV&ie=utf-8&oe=utf-8
Be aware I worry that the input lag may not be fixable. SO if you game, you may want to bail out now.
My xbox one s says that my t.v. cannot support 4k and hdr functions. Anyone else ever have this problem?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic