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Mac OS X Panther

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Title: Mac OS X Panther  
Author: World Heritage Encyclopedia
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Subject: OS X, Mac OS X Tiger, History of OS X, History of iTunes, Darwin (operating system)
Collection: 2003 Software, Discontinued Operating Systems, Os X, Powerpc Operating Systems
Publisher: World Heritage Encyclopedia

Mac OS X Panther

Mac OS X v10.3 Panther
A version of the Mac OS X 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
Source model Closed source (with open source components)
Released to
October 24, 2003
Latest release 10.3.9 / April 15, 2005 (2005-04-15)[1]
Platforms PowerPC
Kernel type Hybrid (XNU)
License Apple Public Source License (APSL) and Apple end-user license agreement (EULA)
Preceded by Mac OS X v10.2 Jaguar
Succeeded by Mac OS X v10.4 Tiger
Support status
Unsupported as of mid 2011

Mac OS X Panther (version 10.3) is the fourth major release of Mac OS X, Apple’s desktop and server operating system. It followed Mac OS X 10.2 Jaguar and preceded Mac OS X 10.4 Tiger. Apple released Panther on October 24, 2003.


  • System requirements 1
  • New and changed features 2
    • End-user features 2.1
    • New applications in Panther 2.2
    • Other 2.3
  • Release history 3
  • References 4

System requirements

Since a New World ROM was required for Mac OS X Panther, certain older computers (such as beige Power Mac G3s and ‘Wall Street’ PowerBook G3s) were unable to run Panther by default. Third-party software (such as XPostFacto) can, however, override checks made during the install process; otherwise, installation or upgrades from Jaguar will fail on these older machines.

The system requirements are:[2]

  • PowerPC G3, G4, or G5 processor (at least 233 MHz)
  • Built-in USB (indicative of a New World ROM being present)
  • At least 128 MB of RAM (512 MB recommended, minimum of 96 MB supported unofficially)
  • At least 1.5 GB of available hard disk space
  • CD drive
  • Internet access requires a compatible service provider; iDisk requires a .Mac account

Video conferencing requires:

Panther still supported the Classic environment fully for running older Mac OS 9 applications but made Classic application windows double-buffered, which interfered with some applications expecting to directly draw to the screen.

New and changed features

End-user features

Apple advertised that Mac OS X Panther had over 150 new features, including:

New applications in Panther

  • Font Book: Font Book, Apple's font manager, simplifies viewing character maps and installing fonts. It also allows the user to sort fonts into categories.
  • FileVault: On the fly encryption and decryption of a user’s home folder
  • iChat AV: The new version of iChat. Now with built-in Audio- and video-conferencing.
  • X11: X11 is built into Panther
  • Safari: New browser made to replace Internet Explorer for Mac, developed when the contract between Apple and Microsoft ended. Internet Explorer for Mac was still available. Safari 1.0 was included in an update in Jaguar but was used as the default browser in Panther.


Release history

Version Build Date OS name Notes
10.3 7B85 October 24, 2003 Darwin 7.0 Original retail release set
7B86 Server Edition
10.3.1 7C107 November 10, 2003 Darwin 7.1 Mac OS X Update 10.3.1: Information and Download
10.3.2 7D24 December 17, 2003 Darwin 7.2 Mac OS X: About the Mac OS X 10.3.2 Update
7D28 Updated retail release
10.3.3 7F44 March 15, 2004 Darwin 7.3 Mac OS X: About the Mac OS X 10.3.3 Update (Combo)
10.3.4 7H63 May 26, 2004 Darwin 7.4 About the Mac OS X 10.3.4 Update
10.3.5 7M34 August 9, 2004 Darwin 7.5 About the Mac OS X 10.3.5 Update (Delta); Updated retail release set
10.3.6 7R28 November 5, 2004 Darwin 7.6 About the Mac OS X 10.3.6 Update (Delta)
10.3.7 7S215 December 15, 2004 Darwin 7.7 About the Mac OS X 10.3.7 Update (Delta)
10.3.8 7U16 February 9, 2005 Darwin 7.8 About the Mac OS X 10.3.8 Update (Delta)
10.3.9 7W98 April 15, 2005 Darwin 7.9 About the Mac OS X 10.3.9 Update (Delta)


  1. ^
  2. ^ "Mac OS X Panther: System requirements".  
Preceded by
OS X 10.2
OS X 10.3
Succeeded by
OS X 10.4
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