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Summary:
We can still not replicate this failure on test or production machines at Adobe. This appears to occur on Lightroom 12.4/Camera Raw 15.4 and later on very old Macs (8 Years and older) and is likely due to out-of-date video drivers on no longer-supported or updated GPUs.
The issue manifests as visual color artifacts in the Develop view only but doesn't always appear on exported images. It can also manifest as less-than-black deep shadow areas.
- Some customers report that disabling GPU rest
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I work on an imac v 2015. the latest Mac OS version running on it is 12.6.7 Monterey. i have been working on it for 8 years with Lightroom lassic without any problems. During a job 2 weeks ago, I suddenly had the problem that exported black and white images, which I exported as JPGs, were not displayed black in the darkest areas, but white. In Lightroom itself the images were displayed correctly. I was able to narrow down the problem, it only occurs under the new LRC version 13.0.1, which according to adobe is compatible with Mac OS 12.6.7 Monterey. I have downgraded to LRC 12 and the export works again without any problems. Does anyone have an explanation for this?
Issue: Lightroom creates a similar effect to Solarization on dark image tones visible only in Develop mode. The issue is that when creating a JPG file export this unwanted effect gets reproduced on the exported files too.
- Lightroom Classic Version Number: Lightroom Classic version: 13.0.1 [ 202310121438-d2af310c ]
- OS Version Number: macOS 12.7.1
Steps to reproduce:
1 Import RAW file (Canon 1Dx CR2) in Lightroom,
2 wait for previews to build
3 go to Develop mode
4 dark tones shows a strange Solarization-like effect
brighter version of the same file:
The before and after image were created using a virtual copy of the file, where the before version shows the effect on the dark pants and the after right side of the image shows none after clicking the HDR button.
Expected result: The expected result would be a nice tone transition from black to dark and moving further to bright tones.
Actual result: The effect is visible in Develop mode only. It creates a strange washed dakt tones effect similar to solarization. The only way to fix that was to click on HDR button under the Basic develop functions. Not ideal, since the HDR change the all image tones effecting the brigh ones which might not need any retouching.
This behaviour was noted only on the latest version.
I uploaded a screen-capture image, but optionally I can submit an original CR2 file on request.
Thank you
Can anyone tell me what these coloured dots/marks are on my photos? They show up in develop mode on raw images and edited images. They change when I make editing adjustments. It is different from the shadow or highlight clipping. They come and go.
Since updating our Lightroom Classic to v13.0.1, every time we export jpegs (any resolution with any setting) we are getting this type of result:
This is what the image looks like in the Library before exporting:
The jpg is displaying the masks that are usually only visible in develop mode showing the histogram masks (blacks, shadows, hightlights, whites). This doesn't happen with every single image but most of them are exporting this way. This is on Mac Pro (macOS monterey version 12.7.1).
Is anyone else having this issue when exporting to jpg? Is there a known fix for this?
LR2024 is now adding crazy mult-color pixellation rto every Jpeg we render out (from Raw CR3 files). Does anyone know why this is happening or how to fix it?
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