Mac OS X Panther

Mac OS X Panther (10.3) is the fourth major release of Mac OS X, Apple's desktop and server operating system. It superseded Mac OS X Jaguar and preceded Mac OS X Tiger. This version of the operating system was released on 24 October 2003. Most builds of Panther were compiled for PPC (for public use) and x86_64 (for testing purposes for the upcoming Intel x Apple partnership, which would continue until the announcement in 2005).