Possible case of filmic's preserve chrominance not applied in exporting

[kofa (István Kovács)]

This was one comment from Glenn:

I can't get rendering intent to work, any ideas please? -Progress **

If a profile won’t support a rendering intent, LittleCMS will fall back to a supported rendering intent when the transform is attempted. The programmer has to check the profile beforehand to determine if a rendering intent is supported. I have such checks in rawproc; my experience is that matrix profiles only support relative_ and absolute_colorimetric; you need a LUT profile to support perceptual.

And this topic:

Little CMS2 - LCMS2 - Does it work / What's the issue?

I was reminded of this reading a post yesterday. Aurelien Pierre and maybe others have I believe said it doesn’t work. It’s hard to reconcile this with all the work that Elle Stone did. As quoted yesterday - LCMS2 unbounded ICC profile conversions Can she possibly have done so much investigation and not noticed if it “was not working”? Maybe AP meant is was working, but not properly (or as he would like). Maybe LCMS2 became broken at some point. Does anyone have any knowledge about this. …