alt Hacker NewsOut curiosity — I don’t have Instagram to test and this is a perceptual question anyways — if you enable iOS Settings > Accessibility > Display > Reduce White Point (25%) and increase the screen brightness slightly to compensate for the slight dimness; does that reduce or eliminate the ‘jarring’ness?
I’m talking about my macbook and that would be untenable because it needs max brightness on non hdr content in a daylight lit room.