I want to transfer files from Lightroom 4 on one machine (iMac) to current version of PS on a different machine (MacBook Pro) without losing my edit data. I do not want to just export my files to save the edit data.
Copy all your LR catalogs and presets to the new computer.
Copy all your images to the new compute without changing the directory structure.
LR 6/cc will migrate the data in your LR4 catalog to a new LR6 catalog. No data lost, assuming all goes smoothly. No changes will be made to the old catalog.
Retrieving data ...