Brightness and colors change when opening NLP 3.0.2

[olnikron]

I’m on M1 Mac OSX 14.2 using NLP v3.0.2 and Lightroom 13.0.1 and when I open the NLP settings, the image(s) change in brightness and maybe some color too, without me changing any settings. This behaviour has just started. I have done thousands of images, and it has not done this before. Why this?

[leighu]

I’m having the same problem. I’ve noticed that if I “unconvert” and “convert” the images again, they look normal (or close to it, I’m not sure if they’re exactly the same as before). In any case it’s a huge issue if all the work I did in NLP 2.x is lost and has to be redone in 3, or even if I have to take several steps to re-convert the hundreds of images I’ve already processed. @nate please look into this! (Mac M1 Max / OSX 12.6.7 / Lightroom Classic 12.5)

[leighu]

Also important to mention, that I notice the issue randomly popping up in the grid thumbnails of my library - without going into the NLP settings at all. Sometimes I’ll export a jpg of an image that appears normal (apparently an outdated thumbnail) and the exported image is incorrect. The images look very bright and colors are off.

[lewesyru93]

I have exactly the same issue. All my images will turn yellowish after bringing up NLP. All my NLP 2.x works need to be reconverted after upgrading to NLP version 3. However I noticed that if the image has smart preview, it won’t turn yellow at all, but just a little brightness change.

[nate]

Hi @olnikron, @lewesyru93 and @leighu ,

There could be a few things going on here, but don’t worry, it will be OK!

First, I think @lewesyru93 and @leighu are experiencing the same issue:

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@lewesyru93

I have exactly the same issue. All my images will turn yellowish after bringing up NLP. All my NLP 2.x works need to be reconverted after upgrading to NLP version 3. However I noticed that if the image has smart preview, it won’t turn yellow at all, but just a little brightness change.

@leighu

Also important to mention, that I notice the issue randomly popping up in the grid thumbnails of my library - without going into the NLP settings at all

In your case, I’m going to guess that your issue is that v2.4.2 was missing the camera profile you needed, and now that v3 has added the correct camera profile, there is a mismatch between the profile available during conversion and the profile being applied now… here is more information about that below from the V3 Issues & Fixes Thread

@nate

"The conversion I made with a previous version are changing appearance when I go to the develop

If you find that your previous conversions are changing appearance WITHOUT even opening Negative Lab Pro, then the issue is that you were previously missing the camera or scanner RAW profile at the time you made the conversion. And now that v3 has added the correct profile, Lightroom is saying “Oh! Here is that profile I was looking for! Let me go ahead and apply it…” But now, there is a mismatch, because the conversion analysis is based on the default Lightroom profile (Adobe Standard), but the “Negative Lab v2.3” profile is now being applied.

You have a couple of options of how to fix this:

1. Re-converting - Not only will reconverting fix this issue, but I would expect you to get much better results that you previously got when you reconvert (because the correct camera profile is now available). To re-convert, you can do the following: 1) Open the negative(s) in Negative Lab Pro, 2) Go to the “Convert” tab, and select “Reset Photos.” 3) Now hit the “Convert Negatives” button.
   This is the option I recommend, but understand that in some circumstances, you may need to just return the appearance of the photos.
2. Restoring the Original Appearance of earlier conversions - If you’d prefer to restore the original appearance of the negatives, just select the photo in the develop module, and change the camera profile to “Adobe Standard.” You should see it return to it’s appearance before the upgrade. To do this on all your previous conversions in a few minutes do this: 1) In the Library Module, select “All Photographs” from the left pane under the "catalog’ section. 2) Make sure you Library filter is showing (if not, go to “Library > Enable Filters”). 3) Select the “metadata” filter tab, click on one of the filters, then in the lowest section, select “Image Status” as the filter. 4) In that filter, select “Converted.” 5) If you’ve made new conversions in v3, you can filter those out by selecting “NLP Version” in the next filter bar, and selecting just those images made with versions prior to v3. 6) Now that you have all your previous conversions selected, edit the first image to change the profile to Adobe Standard and confirm that it now appears correct. 7) Now select the rest of the images, and select “Sync Settings.” In the popup, make sure that ONLY the “Treatment and Profile” box is selected. After doing this, you should see all your previous conversions return to normal. However, please note that these images cannot be further edited in Negative Lab Pro, because it will attempt to update the profile back to the NLP profile. If you want to edit further in Negative Lab Pro, you could temporarily remove the Negative Lab Pro camera profiles, and the appearance and behavior will go back to before, but this would mean that future conversions will also have this issue and not be taking advantage of the NLP profiles.

Ok, but I’m not sure about your original issue, @olnikron

@olnikron

I’m on M1 Mac OSX 14.2 using NLP v3.0.2 and Lightroom 13.0.1 and when I open the NLP settings, the image(s) change in brightness and maybe some color too, without me changing any settings. This behaviour has just started.

If you see just a subtle change, can you try something for me? Before you open up an image in Negative Lab Pro, make a note of what the “Profile” is showing in the “basic” section of the develop window. It may say something like “Negative Lab v2.3 - Natural.”

OK, now open Negative Lab Pro on the image, and see if this profile name changes? If the profile name changes (and the new profile it shows matches the name of the profile you actually have selected in your settings the Negative Lab Pro “hsl” section), then it means that somehow the profile didn’t get applied by Lightroom as it should have previously… does that make sense?

-Nate