Apple claims fixes addressed include:

• An issue causing AirPort Utility to be unable to read certain AirPort wireless device configurations.
• An issue causing AirPort Utility to sometimes be unable to discover an AirPort wireless device when Back To My Mac is enabled.
• An issue causing AirPort Utility to sometimes be unable to download firmware.
• An issue causing AirPort Utility to not correctly import Access Control Lists created in AirPort Admin Utility 4.x. AirPort Utility 5.4.2 requires Mac OS X 10.4 or later.
• Adds the ability in AirPort Utility to show all wireless passwords in the “Equivalent Network Password” sheet.

iTunes 8.2 introduces support for the yet-to-be-released iPhone 3.0 firmware. QuickTime 7.6.2 adds enhanced security, enhances compatibility with Apple’s ProRes video format, and is also necessary for full compatibility with iTunes 8.2. Fire up Software Update to get yours or use the links provided to download directly.

The Mac OS 10.5.7 Update is recommended for all Leopard users and includes general operating system fixes that enhance the stability, compatibility and security of your Mac. It also includes sync-related “reliability” fixes, some nice additions to the parental controls, a Gmail login fix, and widget updates. Full details here.

Safari also received an update for Leopard and Tiger users bring it to version 3.2.3 recommended for all Safari users, providing fixes for a number of security vulnerabilities. Safari 4 Beta also received some update love that requires OS X 10.5.7. There is also a version for Tiger that requires OS X 10.4.11 and security update 2009-002.

• iTunes 8.1.1 adds support for renting HD movies and provides a number of bug fixes, including addressing issues with VoiceOver and syncing with iPhone or iPod touch.

Get it direct here.

There are two parts to this process:
1. Installing the firmware update application onto your hard drive.
2. Using the firmware update application to update your graphics subsystem firmware.

More info on the installation process here.

MacBook Pro Graphics Firmware Update 1.0 is available via Software Update and also as a standalone installer.

More info and download link (770KB) here.

• iPhoto 8.0.1 which “improves overall stability and addresses minor issues in a number of areas, including internet connectivity, keyword import, and slideshow export.”
• iLife Support 9.0.1 which “improves overall stability and addresses a number of other minor issues. It is recommended for all users of Aperture, iLife ‘09, and iWork ‘09.”
• AirPort Client Update 2009-001 for Intel Macs, which “addresses issues with roaming and network selection in dual-band environments.”
• AirPort Utility 5.4.1 (Mac) for managing the new Airport Express, Extreme, and Time Capsules.
• AirPort Utility 5.4.1 Windows – same as above for Windows

Run Software Update or download them direct from Apple. These updates will require a system restart.

• Nikon D3X
• Epson R-D1x

It also addresses issues related to specific cameras and overall stability. Just run Software Update to fetch this update.

What’s new:

Address Book

• Improves reliability of Address Book syncing with iPhone and other devices and applications.

AirPort

• Improves the reliability of AirPort connections, including improvements when roaming in large wireless networks with an Intel-based Mac.

Client Management

• Improves reliability of synchronizing files on a portable home directory.
• Fixes an issue in Mac OS X 10.5.4 and 10.5.5 in which managed users may not see printers that use the Generic PPD.
• Client computers that use UUID-based ByHost preferences now respect managed Screen Saver settings.

iChat

• Addresses an issue that could cause an encryption alert to appear in the chat window.
• Setting your iChat status to “invisible” via AppleScript no longer logs you out of iChat.
• Resolves an issue in which pasting text from a Microsoft Office document could insert an image rather than text.

Graphics

• Includes general improvements to gaming performance.
• Includes graphics improvements for iChat, Cover Flow, Aperture, and iTunes.
• Includes fixes for possible graphics distortion issues with certain ATI graphics cards.

Mail

• Includes overall performance and reliability fixes.
• Improves Connection Doctor accuracy.
• Fixes an issue that could cause messages identified as junk to remain in the inbox.
• Fixes an issue that could cause Mail to append a character to the file extension of an attachment.
• Addresses an issue that could prevent Mail from quitting.
• Improves reliability when printing PDF attachments.

MobileMe

• Contacts, calendars, and bookmarks on a Mac automatically sync within a minute of the change being made on the computer, another device, or the web at me.com.

Networking

• Improves Apple File Service performance, especially when using a home directory hosted on an AFP server. Important: If you are using Mac OS X 10.5.6 (client) to connect to a Mac OS X Server 10.4-based server, it is strongly recommended that you update the server to Mac OS X Server version 10.4.11.
• Improves the performance and reliability of TCP connections.
• Improves reliability and performance for AT&T 3G cards.
• Updates the ssh Terminal command for compatibility with more ssh servers.

Printing

• Improves printing for the Adobe CS3 application suite.
• Improves printing for USB-based Brother and Canon printers.

Parental Controls

• Addresses an issue in which a parentally-controlled account could be unable to access the iTunes Store.
• Includes general fixes for time limits.
• Resolves an issue that prevented adding allowed websites from Safari via drag and drop.

Time Machine

• Fixes issues that could cause Time Machine to state the backup volume could not be found.
• Improves Time Machine reliability with Time Capsule.

Safari

• Improves compatibility with web proxy servers.

General

• Includes Mac OS X security improvements. See this website for more information.
• Addresses inaccuracies with Calculator when the Mac OS X language is set to German or Swiss German.
• Improves the performance and reliability of Chess.
• Improves DVD Player performance and reliability.
• Performance improvements for iCal are included.
• Fixes an issue when running the New iCal Events Automator action as an applet.
• Adds a Trackpad System Preference pane for portable Macs.
• Improves compatibility with smart cards such as the U.S. Department of Defense Common Access Card.
• Updates time zone data and Daylight Saving Time rules for several countries.

Mac OS X 10.5.6 is available via Software Update and also as standalone installers.

More info and download links:

• Mac OS X 10.5.6 Combo Update – 669MB
• Mac OS X 10.5.6 Update – 372MB
• Mac OS X Server Combo 10.5.6 – 883MB
• Mac OS X Server 10.5.6 – 469MB

The iTunes 8.01 update brings:

• Seamlessly plays the current song when creating a new Genius playlist.
• Improves syncing spoken menus to iPod nano.
• Addresses an issue of deleting HD TV episodes when downloading.
• Improves checking for updates from the App Store.
• Improves accessibility with VoiceOver.
• Addresses problems syncing Genius results to iPod.

Apple TV 2.2 update brings:

• Adds support for the Genius functions in iTunes.
• Security patches.