Mac OS X Panther

Mac OS X 10.3 Panther
Version of the macOS operating system
	Screenshot of Mac OS X Panther. Notice how the Finder icon in the Dock has been changed and Internet Explorer has been replaced by Safari.
Developer	Apple Computer, Inc.
OS family	Macintosh; Unix-like;
Source model	Closed, with open source components
General; availability	October 24, 2003
Latest release	10.3.9 / April 15, 2005
Platforms	PowerPC
Kernel type	Hybrid (XNU)
License	Apple Public Source License (APSL) and Apple end-user license agreement (EULA)
Preceded by	Mac OS X 10.2 Jaguar
Succeeded by	Mac OS X 10.4 Tiger
Official website	Apple - Mac OS X at the Wayback Machine (archived January 11, 2005)
Tagline	The evolution of the species.
Support status
	Historical, unsupported as of March 4, 2007

Mac OS X Panther (version 10.3) is the fourth major release of macOS, Apple's desktop and server operating system. It followed Mac OS X Jaguar and preceded Mac OS X Tiger. It was released on October 24, 2003, with the retail price of US$129^[3] for a single user and US$199^[3] for a five user, family license.

The main features of Panther included a refined Aqua theme, Exposé, Fast user switching, and a new Finder. Panther also included Safari as its default browser, as a change from Internet Explorer in Jaguar.

^ ""Night of the Panther" Kicks Off at 8:00 p.m. Tomorrow" (Press release). Apple Inc. October 23, 2003. Archived from the original on December 4, 2019. Retrieved December 4, 2019.
^ "Mac OS X Combined Update 10.3.9". Apple Inc. Archived from the original on April 19, 2005.
^ ^a ^b "Apple Announces Mac OS X "Panther"". Apple Newsroom (Press release). October 8, 2003. Archived from the original on May 4, 2021. Retrieved January 10, 2023.