https://bugs.kde.org/show_bug.cgi?id=499901

--- Comment #8 from Bogomil Vasilev <smi...@smirky.net> ---
(In reply to Zamundaaa from comment #7)
> Is this problem new, or did you experience it in 6.2 as well?
No.  I've seen this since ever. I don't recall it being better in the past, but
I don't have an exact starting point (Plasma version) to say when I started
using HDR.

(In reply to Zamundaaa from comment #7)
> If you set the color profile to "built-in" with HDR disabled, is the result
> similar to when HDR is enabled?
Checkout these videos I made: https://cloud.smirky.net/s/LwpRjr4eCLRzrie
Unfortunately, you might have to download them, because Nextcloud's video
player lacks proper browser playback in certain browsers.
First video is with locked exposure on my camera, second is with Auto. Let me
know if you want to try something else, I'm open to suggestions.

(In reply to Zamundaaa from comment #7)
> Does your monitor have any color profile settings itself? Some "helpfully"
> change the settings when in HDR mode.
The monitor has HDR and non-HDR modes in its settings (called OSD menu). HDR is
currently enabled and also set to Auto (as per a video I checked, it should be
set to Auto to avoid problems). The brightness and contrast settings become
grayed-out when HDR is on Auto.
In the OSD menu, Color section, there's an option "Color space", which is
currently in HDR. If I change that to something else (for example sRGB), it
becomes unbearable and way worse. It also disables HDR.

(In reply to Zamundaaa from comment #7)
> Do you have a Windows or MacOS system to compare the image to? Sometimes
> displays just have a terrible HDR mode.
Unfortunately, I don't have an available Windows PC/Laptop with a Display Port.

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