15.3.1.15 overexposes exported images that used Shadow, Black, or Dehaze sliders with Hardware Acceleration

Exporting an image results in an overexposed version of the image. There are no colors clipped in the histogram inside the editor, but the exported image has obviously increased exposure, often to the point of clipping highlights and colors. After a little trial and error, I think I narrowed it down to the Dehaze slider. When Dehaze is applied, the image will flash a higher exposure in the preview before finalizing to the correct exposure. The exported image has the exposure of the "flash" when applying. This seems to compound with the High Dynamic Range sliders as well. Those will affect the "flashed" exposure in the exported image.

This means I cannot use the Dehaze slider at all when editing photos in this version. Unfortunately, I updated my catalogue so I can't quickly compare to a 14.x version of C1.

Edit: Some further digging showed the Shadow and Black sliders in the High Dynamic Range settings also triggers the behavior. If those are positive, I end up with overexposed photos on export. For reference I'm exporting to JPG. I use Adobe (1998), but it happens with other color spaces and quality settings.

edit 2: Another funny issue - using the quick heal brush results in a 100% black image preview until I remove the quick heal layer. Exporting the image results in a garbled mess of static rather than an image.

Edit 3: I think I've further root caused the issue to Hardware Acceleration. Disabling it entirely stopped all of the above issues. When I disabled it, it was stuck at 65% despite having been running for over 45 minutes. For reference, this is a late 2013 i7 MacBook Pro.

Permanently deleted user

3. Juli 2022 17:08

I've also experienced the over exposure problem in 15.3, and narrowed down to positive Shadow/Black settings. Thanks for your tip on disabling the hardware acceleration, I can now do my normal editing! Mine is MacBook Pro 2014 i7, running OS11.6.7.

Kevin Le

4. Juli 2022 21:47

This is troubling... I used dehazed after the recent update so I just checked and I don't think I'm encountering that problem. I'm on an m1 mac exporting as PSD, sRGB.

David Bostock

11. Juli 2022 16:08

Having the same issue. Disabling Hardware Acceleration Processing seems to solve the problem. I was able to keep Hardware Acceleration Display turned on though...

Jack

23. August 2022 03:10

I have the same problem. Still occurs after upgrading from 15.3.1 to 15.3.2. Hardware acceleration also stuck at 65 %. Turning it off solves the problem, but does reduce performance. :/

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