Complex sentence: The final stable version of AIM 6.0 was released on December 15; new features included connection to AIM Pages, additional customization, and compatibility with address book programs and sites through a "Universal Address Book" powered by Plaxo.
Split into simpler sentences: The final stable version of AIM 6.0 was released on December 15. New features included connection to AIM Pages, additional customization, and compatibility with address book programs and sites through a "Universal Address Book" powered by Plaxo.