So here’s the banding I was reporting earlier
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And here is what it is on the old Epson
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And thanks, Kevin - HDMI was on Enhanced by default.
Though now watching the Uniteds play on BT UHD - absolutely stunning. This is where those extra pixels and the bright laser really make a difference.
I'm such an idiot. I remember precisely changing my colour depth to 12bit on my Xbox.... but I went to take a look as all sources are saying this banding is caused by 8bit colour... and my setting was 8bit! Changed it and everything is perfect.
Now I don't know if my memory is doing this on my old Xbox One X or whether I did change it on the Xbox Series X and then it reset itself... doesn't seem likely but you never know.
Anyway I'm glad your were complaining about yours because now I've fixed mine as a result ;-)