This article lists known compatibility issues that you may encounter when running Lightroom Classic and Lightroom CC on macOS 10.14 (Mojave) and provides known workarounds.

Adobe has discovered the compatibility issues listed below with running Lightroom Classic and Lightroom CC (and earlier) with macOS 10.14 Mojave.

Adobe strongly recommends that customers update to the current release prior to updating to macOS 10.14 Mojave. Older versions of Lightroom Classic and Lightroom CC were not designed, nor extensively tested to run on macOS Mojave. Additionally, we strongly recommend that customers do their own testing on a non-production partition to ensure that new operating systems work with their current hardware and drivers (printing, etc). You may wish to remain on an older version of the OS that is compatible with prior versions of our software.

If you do encounter issues not already documented, feel free to report them on our feedback site.

Versions affected Lightroom Classic 7.5 or earlier, Lightroom CC 1.5 or earlier
Operating system macOS 10.14 Mojave

Application crash when switching to Dark Mode while application is running

With Lightroom Classic CC 7.5 or Lightroom CC 1.5 running, switching to Dark Mode can cause the application to crash

WORKAROUND

Quit Lightroom Classic CC 7.5 and then change the setting for appearance in System Preferences. Relaunch the applications after making the change.

SOLUTION

Update Lightroom CC to version 2.0.

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