The update to Apple's operating system fixes a multitude of its security vulnerabilities, but some users are reporting issues with graphics and Adobe CS3 after upgrading.
Along with fixing issues with incorrect fonts, video and audio playback, and wireless network connectivity, at least two dozen security issues were patched.
Mac OS X's Web server, based on Apache, has been updated. This was done by upgrading the version shipped with Mac OS X from 2.0.55 to 2.0.63, which addresses several issues, including a cross-site scripting vulnerability.