https://bugs.kde.org/show_bug.cgi?id=500837

--- Comment #17 from Zamundaaa <xaver.h...@gmail.com> ---
(In reply to Dominic from comment #16)
> What was changed in the update to have caused night light to suddenly ruin
> colors on screens?
We made night light much more accurate (read
https://zamundaaa.github.io/wayland,/colormanagement/2025/01/07/fixing-night-light.html
for more details), but that requires a bit more complex color operations than
it did before. When we try to offload those operations to the display
controller in fullscreen mode, that just happened to make the issue visible
that you were a lot less likely to come across before.

> Btw is it common that intel hw doesn't report capabilities properly? (Seems 
> to me like a stretch to assume it wouldn't, unless it's happened before)
Sorry, I noticed I forgot to answer that. Yes, this sort of thing did happen
before with Intel - on Tigerlake, GAMMA_LUT_SIZE was 262145, and the driver
actually used like 1000 of those values.

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