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Apple has just rolled out a new update for its famous Mac OS X 10.5 Leopard. The update is marked 10.5.7 and adds a bunch of features and fixes enhancing the overall performance of the operating system. Here is a comprehensive list of all its improvements and hotfixes.

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