No specific info about version 5.0. Please visit the main page of Address Book on Mac Informer.
Info updated on:
Helps you export all your contacts details with just a few clicks.
Is a utility to import contacts into Apple's Address Book application on Mac.
This app allows you to export your local address book stored on your Mac.
Address Book Reports starts where Apple's Address Book left off.
Address Book Pictures imports images to your Mac from LDAP servers.