Moving to Catalina from Mojave and didn't know that Photos App renames the image file names. Was wondering if anyone knows if when you export the unmodified original image will it restore the original file name?
With the early versions of Photos it has been easy to recover the original image files from the Library package, simply by ctrl-clicking the Photos Library and using the command "Show Package Contents", as long as we did not use an optimized iCloud Photos Library. Photos 1 to Photos 4 are keeping the originals unmodified in the folder Masters, organized by the import session in subfolders by Year, Month, Day, using the original filename.
Photos is no longer storing the original files exactly as we imported them There is a new folder "Originals", where all photos are stored renamed to cryptic names in an apparently random sequence.
The imported file in the library will be named like this: