Topic summary
Mac OS X v10.4
Extracted from the Wikipedia article Mac OS X Tiger.
Support for Intel processors
At Apple's 2005 Worldwide Developers Conference, CEO Steve Jobs announced that the company would begin selling Mac computers with Intel x86 processors in 2006. To allow developers to begin producing software for these Intel-based Macs, Apple made available a prototype Intel-based Mac ("Developer Transition Kit") that included a version of Mac OS X v10.4.1 compiled to run on x86 processors.