New and changed features End-user features Īpple advertised that Mac OS X Panther had over 150 new features, including: Panther still fully supported the Classic environment for running older Mac OS 9 applications, but made Classic application windows double-buffered, interfering with some applications written to draw directly to screen. Third-party software (such as XPostFacto) can, however, override checks made during the install process otherwise, installation or upgrades from Jaguar fails on these older machines. 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.

Compatible FireWire DV camera or web camera.

Broadband internet access (100 kbit/s or faster).

333 MHz or faster PowerPC G3, G4, or G5 processor.

Internet access requires a compatible service provider iDisk requires a.

At least 1.5 GB of available hard disk space.

At least 128 MB of RAM (256 MB recommended, minimum of 96 MB supported unofficially).

PowerPC G3, G4, or G5 processor (at least 233 MHz).

It was released on October 24, 2003, with the retail price of US$129 for a single user and US$199 for a five user, family license.

It followed Mac OS X Jaguar and preceded Mac OS X Tiger. Mac OS X Panther (version 10.3) is the fourth major release of macOS, Apple's desktop and server operating system.

Mac version 11