speaking of ACES: HDR, ACES and the Digital Photographer 2.0
And yes, Krita is like the only thing that supports “real” scene-referred pixels well. Unfortunately I think using that for photography is not a great idea, just because t he tools aren’t there.
GitHub - ampas/rawtoaces: RAW to ACES Utility wonder what this is?
Scene Linear Painting — Krita Manual 4.4.0 documentation Here’s some Krita documentation on scene-referred (they call it scene-linear, and used to call it HDR, lol) painting.