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 It superseded Mac OS X Jaguar and preceded Mac OS X Tiger.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 (for testing purposes for the upcoming Intel x Apple partnership, which would continue until the announcement in 2005).