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Leaks confirm low takeup for Windows 11
(www.theregister.com)
This is a most excellent place for technology news and articles.
Does it change the screen's contrast depending on what's being displayed? Because my work laptop does that. If there's a white window on screen, contrast is great. But if I minimize that and just have something dark on screen, it slowly reduces the contrast until I can barely read anything.
No, that sounds like adaptive brightness, HDR is more like localized brightness overdrive, particularly in gaming and film.