Lightroom Classic: macOS 10.15 Catalina update causing lag

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  • Updated 6 months ago
  • (Edited)
Latest Mac OS update + Lightroom CC update = super slow processing. The syncing of settings takes so long that the status bar up top just hangs. It took 30 secs to apply sync to 10 pics. And then it keeps reordering images after I drag a photo. So if I sort by time, and then rearrange anything, it re-sorts by filename instead, tho still shows it’s sorting by time. I had to move pics into the order I wanted and then remove chunks of pics in that order to a new group/folder in LR, and rename them bit by bit to get them to finally stay in the order I wanted. This is a huge time suck for my workflow. Please fix it!
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Darbi Hebrank

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  • frustrated

Posted 9 months ago

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Carlos Cardona

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Never update your OS until the .2 version, then read these bug reports and listen to the Photo Taco Podcast for the Lightroom blessing! -(’25 years Mac IT Pro).

PS- get an IT guy like a real company!
PPS- another update to Catalina came out today, do it!
(Edited)
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Rikk Flohr, Official Rep

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This post is tagged Lightroom Classic but you mention Lightroom CC in the text. There is no longer any product called Lightroom CC it has become Lightroom Desktop for the Ecosystem.  Could you please go to Help>System Info... and get us your exact installed Lightroom version number?
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Art M.

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Hi Rikk, Pete, and anyone else at Adobe:  All the official information that I've seen about Catalina compatibility is a month or two old.   Are your customers at this point routinely upgrading to Catalina and using Lightroom and Photoshop successfully?   Is it still Adobe's policy (or your recommendation) to hold off on Catalina unless necessary?   Where should we go for latest updates?   Thank you.  Art 
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Carlos Cardona

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I’m not at Adobe, just a 25-year (retired) MAC IT pro. I’m not updating, to either Catalina or Classic 9! You still see too many problem reports here!
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Rikk Flohr, Official Rep

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Fixes for Catalina-related issues are coming soon from Adobe. Only Apple can speak to fixes coming from them. Until that time I would refer you to the known Catalina issues page for guidance. https://helpx.adobe.com/lightroom-cc/kb/macos-catalina-compatibility.html

There is no exact ETA I can give for the date of the Adobe fixes.
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Charlie Byron

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Even this information is very helpful.  Thank you.  I too would appreciate updates more often than monthly on this, even if that is 1) no new information but 2) yes we are still working on it.
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Jared Platt

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Catalina still destroys the speed of Lightroom Classic 9.1.  Don't upgrade to Catalina even on Jan 2020.  Neither Adobe nor Mac have fixed the issues with slowing down.  I don't know about 9.1 on an older OS system.  I am thinking about going back to an older operating system and then backing out on my LR until I find a combination that gives me the speed back.
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Anne Stone

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Unfortunately, I upgraded to Catalina before I read this post. All my photos and catalog are on an external hard drive and when I tried to open Lightroom Classic, I received a message saying that it would be read-only, no changes could be saved, and that I had to reformat the drive. I have been using a PC successfully with the same external drive and was able to use it on the Mac laptop before Catalina. Then when I tried to check on the version of Lightroom (which I just upgraded) on my laptop, I got this message:
Lightroom cannot open the catalog named “Lightroom 6 Catalog-2” located on volume “Seagate Backup Plus Drive” because Lightroom cannot save changes to this location. Has anyone else been able to resolve this issue and/or do you know if Adobe going to fix this significant compatibility issue??
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Victoria Bampton - Lightroom Queen, Champion

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What format is the drive? Most frequently we hear that the drive is formatted as NTFS and there was additional software running that allowed the macOS to write to the drive, but that software requires updating for new OS's.
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Anne Stone

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I now know what the problem is. I called Apple and learned that the hard drive where I have all my photos and catalogs is formated only for Windows. Before I upgraded to Catalina, the same drive was able to be used on both my PC and my Mac laptop. However, now that is not possible. In fact, I purposely bought this one because of that capability, which is now gone for some unknown reason. I am planning to buy an iMac in the near future so I guess I will need to back everything up on my PC and get a new Mac-formated external drive so I can then move between the iMac and the laptop. Correct?
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Anne Stone

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Victoria, Thank you for your response which I read after posting mine above. The Apple support person advised me to back up everything onto my PC and then re-format my external drive into 2 partitions, one for the PC and one for the Mac. I am concerned about putting all my Lightroom data (photos and catalog) on a drive with 2 partitions, one for each of the different operating systems. I think I might just not use the laptop for now and use only the PC for my photos. When I replace my 10-year-old PC with an iMac in the near future, I will have to figure out what is best to do with the Lightroom stuff. 
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Victoria Bampton - Lightroom Queen, Champion

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You were likely using some interim software like NTFS for Mac previously. That's still possible, it would just need upgrading for Catalina. It's not ideal, each operating system prefers its own format, but it works.
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Anne Stone

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Problem solved!! It turned out that when I bought the Seagate hard drive, it came with Paragon NTFS Software installed, which is why the Windows formating worked with my Mac. I had not realized that so when I upgraded to Catalina, I needed to upgrade the Paragon Software to work with Catalina. I contacted Paragon and learned that I was eligible for a free upgrade which they sent me with clear instructions for installing it. So the problem was neither Catalina or Adobe! It was my ignorance.