How does RT editor window rendering intent work?

[kofa (István Kovács)]

That may be because the intents only have an effect if the profiles support them. Simple matrix profiles don’t.

See this informative response:

Colour management - intents

Hi @kofa, thank you for sharing this experiment. Color management and ICC profiles are confusing so it makes sense to probe things like this to gain an understanding. Personally I kind of expected this result. Elle Stone’s profiles from the repo you linked are matrix profiles and as such don’t contain any intent look-up tables (LUTs). It is also stated on Elle’s page: As a very relevant aside, using perceptual intent when converting to sRGB for photographic image editing does not magically ma…