Mac OS X Panther

Mac OS X Panther, or Mac OS X 10.3, is the fourth major release of Mac OS X which was released on 24 October 2003. It is the first version of Mac OS X to have the Safari web browser which replaced the Internet Explorer for Mac browser after a contract between Apple and Microsoft ended.

New features and changes

 * FileVault was added, which is a built-in disk encryption feature.
 * Exposé was added, which is a view that shows all thumbnails of open windows.
 * Fast user switching was added, which allows multiple users to be logged in at the same time.
 * The Safari web browser was added, which replaces Internet Explorer for Mac.
 * Finder has an updated icon, brushed-metal interface, support for ZIP files, colored labels, a customizable sidebar, a new search system, and support for secure deletion.
 * The Font Book was added.
 * Added built-in support for X11.
 * Added built-in support for faxing.
 * Added support for audio and video conferencing in iChat.
 * Added support for the Pixlet video codec in Quicktime, which enables HD video content.
 * TextEdit now supports Microsoft Word documents.
 * Preview has improved PDF rendering.
 * Improvements to Xcode.