Just updated my iMac to Sierra 10.13.6... since then, LR Classic is a complete pain to use... extremely slow. I've never been one to complain about Lightroom speeds, even when it was commonly known to be an issue, but right now Lightroom Classic CC is practically not usable.
Is a CC update coming soon that will fix this???
My business relies on LR so hopefully this will be resolved quickly.
Sorry that Lightroom Classic CC is running slower than expected and affecting your workflow. Could you please look at the steps below and let us know if that helps?
Uncheck the option "use graphics processor" under Preferences> Performance menu in Lightroom. Restart Lightroom and check if this improves the performance. See Adobe Lightroom GPU Troubleshooting and FAQ
Check out the suggestions mentioned in this article Optimize Lightroom performance ​and optimize app performance accordingly.
That box is unchecked. Lightroom was running fine until I installed the OS update.
Even mouse movements within Lightroom are super slow... there's a 1-2 second delay, making it impossible to use the software. This doesn't happen in Photoshop or other programs on my Mac... Only on Lightroom.
Everything is slow. Even just moving my mouse in the Library or Develop modules.... there's a delay. I tried using the spot removal tool in one photo and I gave up because of this delay with mouse movements. This doesn't happen outside of Lightroom. Photoshop runs fine, and so does everything else on the mac.
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