There is a preference in tools > options > general > read/write > read > hdri > gamma which is set to 2.2 by default.
This doesnt seem to be doing gamma correction, but something else instead. The image just appears brighter and more saturated.
If I set the HDRI gamma to 1.0, then use shift+e > gamma 2.2 to preview what it should look like, it looks correct.
I can also resave the image as openEXR in photoshop and xnview displays it correctly. So it seems there is a bug in the gamma preference for HDRI. The same problem occurs in xnview MP too.
Here is the test image used in my screenshots (Im using the 4k version)
Bugs found in XnView Classic. Please report only one bug per topic!
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