It didn't drop last Friday as rumored, but the Mac OS X 10.5.7 update is now available, so back up your important files, fire up Software Update, and get your 449MB update on.

This release includes mostly bug and security fixes, including some strange ones like, «Addresses a situation that may cause issues when logging into Gmail.» Who knew that was an issue? Check the official update page for more specifics.

Mac OS X 10.5.7

The Mac OS X 10.5.7 client software is available as a 442MB delta download for Macs running Mac OS X 10.5.6 and as a 729MB 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
• Improves the reliability and accuracy of Unit Converter, Stocks, Weather and Movies Dashboard widgets
• Improves reliability when syncing contacts with Yahoo!
• Resolves an issue with Dvorak keyboard layout in Mac OS X 10.5.6
• Expansion Slot Utility for Mac Pro now reports the correct PCIe slot configuration
• 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
• 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
• Addresses a situation that may cause issues when logging into Gmail
• Includes several improvements to Directory Service and Client Management, which are described in the About Mac OS X Server 10.5.7 Update article

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