- Lightroom 4.x is compatible with macOS Big Sur (version 11)
- Lightroom 3.x and earlier have not been tested for compatibility with macOS Big Sur (version 11)
Native compatibility is planned for 2020. Adobe is committed to ensuring Lightroom is available on all major platforms and surfaces including running natively on Apple devices with M1 processors.
There are no known issues specific to running Lightoom 4.x under Rosetta 2 emulation mode on Apple devices with M1 processors running macOS BigSur (version 11).
No. unsupported versions of Lightroom were not designed or tested to work on macOS Big Sur (version 11).
Older versions use 32-bit licensing components and installers and will not be able to be installed, uninstalled, or activated after upgrading to macOS Big Sur.
If you have already upgraded to macOS Big Sur, use the Creative Cloud Cleaner Tool to uninstall older versions.