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Comment by nodesocket

12 days ago

Can we get proper HDR support first in macOS? If I enable HDR on my LG OLED monitor it looks completely washed out and blacks are grey. Windows 11 HDR works fine.

Really? I thought it's always been that HDR was notorious on Windows, hopeless on Linux, and only really worked in a plug-and-play manner on Mac, unless your display has an incorrect profile or something/

https://www.youtube.com/shorts/sx9TUNv80RE

  • MacOS does wash out SDR content in HDR mode specifically on non-Apple monitors. An HDR video playing in windowed mode will look fine but all the UI around it has black and white levels very close to grey.

    Edit: to be clear, macOS itself (Cocoa elements) is all SDR content and thus washed out.

    • Define "washed out"?

      The white and black levels of the UX are supposed to stay in SDR. That's a feature not a bug.

      If you mean the interface isn't bright enough, that's intended behavior.

      If the black point is somehow raised, then that's bizarre and definitely unintended behavior. And I honestly can't even imagine what could be causing that to happen. It does seem like that it would have to be a serious macOS bug.

      You should post a photo of your monitor, comparing a black #000 image in Preview with a pitch-black frame from a video. People edit HDR video on Macs, and I've never heard of this happening before.