Apple on Tuesday released Mac OS X 10.5.7, a recommended update for all Mac OS X 10.5.x Leopard users that includes general operating system fixes that enhance the stability, compatibility and security of Macs.

Mac OS X 10.5.7

The Mac OS X 10.5.7 client software is available as a 449MB download (currently via Software Update only) for Macs running Mac OS X 10.5.6 and as a larger combo update for Macs running earlier versions of the Leopard operating system. A list of specific enhancements included in the release follows:

General

• Includes latest security fixes.
• Includes additional RAW image support for several third-party cameras.
• Improves performance of video playback and cursor movements for recent Macs with NVIDIA graphics.
• Resolves an issue with Dvorak keyboard layout in Mac OS X 10.5.6.
• Improves the reliability and accuracy of Unit Converter, Stocks, Weather and Movies Dashboard widgets.
• Addresses a situation that may cause issues when logging into Gmail.
• Improves reliability when syncing contacts with Yahoo!.
• Expansion Slot Utility for Mac Pro now reports the correct PCIe slot configuration.
• Improves network performance when connected to certain Ethernet switches that have Flow Control enabled.
• Improves stability for network home directories hosted by Mac OS X Server v10.4.
• Improves Finder search results for network volumes that may not support Spotlight searching, such as Mac OS X Server v10.4, Time Capsule, and third-party AFP servers.
• Includes several improvements to Directory Service and Client Management, which are described in the About Mac OS X Server 10.5.7 Update article.

iCal

• Improves overall reliability with CalDav.
• Improves reliability when automatically syncing with MobileMe.

Mail

• Addresses reliability and sync issues with Notes.
• Addresses an issue that may cause the BCC field to populate incorrectly when redirecting a message from the Sent mailbox.

Parental Controls

• Improves consistency with Parental Controls and application restrictions.
• Addresses an issue in which time limits may not work properly with full-screen games and Fast User Switching.

Printing

• Resolves an issue that may cause certain third-party printers to print to the incorrect paper tray.
• Non-admin user accounts can now be allowed to add and remove printers by enabling Parental Controls and selecting "Can administer printers".
• Includes other printing reliability and stability improvements.