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The TV industry finally concedes that the future may not be in 8K
(arstechnica.com)
This is a most excellent place for technology news and articles.
Screen dimming is technically possible over HDMI/Displayport no idea why its not properly supported and integrated into monitors, graphics drivers, windows and Linux. KDE shows dimming for monitors sometimes? Don't know if that is software or real hardware dimming though.
It’s real hardware dimming.