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Basically copy/paste (or sync) over large numbers of images works, well, inconstantly - at best. I am running desktop Lightroom Classic cc v 8.0
The entire issue is well described many places on the internet including here.
Basically, I can copy/paste (or auto sync) over 10-20 images - no issue. More than that, forget it, it just does not work.
It seems the sync only works if I can actually see the image in the single or thumbnails view.
I have...
-restarted Lightroom and the mac (High Sierra)
-trashed the prefs
-Synced and let it sit for days
-rebuilt the thumbnails.
I cannot do the copy paste 10 images at a time, as I have a folder with 10,000+ images I need to process.
I have been using Lightroom since inception and this "procedure" used to work perfectly before.
So. I spent about 90-minutes on the phone with tech help at Adobe. And I feel like I may have connected with one of the few tech people that actually know what they are talking about.
She seems to have solved the issue and it's something that I would have NEVER tried.
So, maybe this will help others with similar unresolved issues.
Here's what 100% fixed it:
1. Go to Lightroom>preferences
2. Click on the performance tab
3. UNCLICK "Use Graphics Processor".
She explained why this could work, but I think
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Did you try the workaround listed in that bug report? After copy/paste, sync, or applying the preset to the batch of photos, select them and do Library > Previews > Build Standard-Sized previews, and then wait for the progress bar to show the building of previews has completed. Many people use that workaround, and I haven't seen previous reports of it not working.
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I should have indicated that I did build full size 1:1 previews and waited for the progress bar to finish. It did not work.
Do you think standard previews would make any difference? Let me try and I'll report back shortly.
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Do you think standard previews would make any difference? Let me try and I'll report back shortly.
I'd be very surprised if it makes a difference. When LR builds a preview of any size, it re-renders the photo from scratch, which is what works around the bug (at least for others).
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Nope didn't work.
I should add: That it's not just the how the images "looks" on the screen. If part of the setting that I am copy/pasting (or syncing) indicates that the exposure is, let's say 0.15. a few hundred of the images will correctly show their exposure at 0.15 (and look correct )- the remaining balance are untouched in terms of the actually numerical setting and the preview look.
If I copy/paste (sync) one (or 20) image(s) at a time it works perfectly.
I'm trying to affect thousands of images, so 20 at a time is a non-starter.
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So. I spent about 90-minutes on the phone with tech help at Adobe. And I feel like I may have connected with one of the few tech people that actually know what they are talking about.
She seems to have solved the issue and it's something that I would have NEVER tried.
So, maybe this will help others with similar unresolved issues.
Here's what 100% fixed it:
1. Go to Lightroom>preferences
2. Click on the performance tab
3. UNCLICK "Use Graphics Processor".
She explained why this could work, but I think I blacked out halfway through the explanation.
Anyway. It worked.
She also suggested I reduce my cache form the 200GB it was at to the 10GB it is at now. That did not work. Just thought I'd mention that.
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3. UNCLICK "Use Graphics Processor".
Let us know if this continues to solve your problem. It's pretty strange -- the option controls how LR displays images on the screen, and unchecking it often fixes display problems. But it's hard to see how it would control whether copy/paste successfully changes a Develop slider setting. But bugs can have strange consequences...
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Quote "Let us know if this continues to solve your problem. It's pretty strange -- the option controls how LR displays images on the screen, and unchecking it often fixes display problems. But it's hard to see how it would control whether copy/paste successfully changes a Develop slider setting. But bugs can have strange consequences"...
The Graphics Processor only offers any help if you are utilising a 4K monitor or higher. No need to have it selected otherwise.
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She also suggested I reduce my cache form the 200GB it was at to the 10GB it is at now.
Independent of your current problem, reducing the cache size to 10 GB is a good thing -- 200 GB was just wasting space. In early versions of LR, huge caches could help, but that changed a long time ago, and 10 GB is sufficient: https://www.lightroomqueen.com/lightroom-performance-debunking-myths/
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Thanks!
Yes. It seems to have fixed it. The way she explained it was some sort of conflict bug. As you said: strange consequences...