New Photos version required with no updates available?
I have a photo library on my 5TB external drive that came from a previous Mac running Catalina. (I do not want to pay to use icloud for the amount of photos storage I have) My newer iMac just arrived but it will not load the external drive Photos Library. When I try to load 'other library' (Option + Photos Icon; Other Library; external Hard drive; Photos Library) It says unsupported library and asks for a newer version of Photos to be installed. How can the external drive Photos Library be newer than the new iMac when there are no updates available for Photos.
My new iMac says it is running Photos 5.0
iMac 27″, macOS 10.15