Develop Mode incredibly slow in 13.3 (Mac)

Forum|Forum|1 year ago
June 13, 2024
3 replies
444 views

I updated the other day, and moving from one picture to the next is unbelievably slow. Takes a good 20+ seconds. The catalog is no bigger than my usual and very little editing. I tried optimizing the catalog, that makes no difference. Anyone else have the problem or found a fix?

Apple M1 Pro, macOS 13.5, 32 GB RAM

macOS

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Conrad_C

Community Expert

That's very odd. I am also using an M1 Pro with 32GB unified memory, but with no performance problems in Lightroom Classic 13.4 on macOS 13.6.7 on a catalog with over 150,000 images, and using Secondary Display frequently. I’m not saying there isn’t a problem, but just to say you should definitely be able to expect good performance on an M1 Pro. Hope the cause can be isolated.

How much free space is on the internal startup volume?

JohanElzenga

Community Expert

Why do you still use MacOS 13.5, or is this a typo and do you mean 14.5? Lightroom Classic 13.4 runs just fine on my 16" 32GB MacBook Pro M1 Max and MacOS 14.5, even with two 4K screens connected to the computer. Switching from one image to the next in the Develop module is nearly instantaneous. My catalog contains more than 200,000 images, so size is not the problem either.

-- Johan W. Elzenga

Sameer K

Community Manager

Hey, @Jason Robey. Welcome to the Lightroom Community. I'll need more info to help you figure this out. Before troubleshooting, please update Lightroom Classic to the latest version (v13.4) via the Creative Cloud desktop app.

Where do you keep your Lightroom catalog? On an internal or external drive? Do you have a recent catalog backup?

Besides the slow-down, monitor the activity & performance in the Activity Monitor.

As primary steps, try this:

Unplug additional displays & use only one by default.
Go to Lightroom > Preferences > Performance > Use Graphics Processor > Set it off if it is on Custom or Auto. If this shows you any differences, please check this article to troubleshoot further: https://adobe.ly/3uYiJo4

Let me know how it goes. Thanks!

Sameer K

C

ctj71081

Participant

Turning off "Use Graphics Processor" improved things dramatically for me. The develop module is much quicker.

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