Apple has just released Mac OS X Leopard 10.5.7, an incremental update for its flagship OS. If you’re Mac user, you probably get the automatic update alert and have already upgraded to this latest version. This incremental update has addressed several security issues and other bug fixes. And there is one bug fix that is particularly crucial to iPhone users:

The DFU problem on Mac OS X 10.5.6 is now fixed!

When Apple rolled out the previous version of Mac OS X update (i.e. 10.5.6), there is a bug introduced that prevents iPhone user from putting iPhone into DFU mode, which is the essential procedure for jailbreak. At that time, you can only use USB hub to bypass such issue. Today, with the release of 10.5.7 update, the DFU problem is fixed and you do not need to rely on other workarounds to bypass this issue. So, if you’re Mac user, I recommend you to upgrade to this version.

In addition to the DFU problem that iPhone user concerns, the incremental update also comes with lots of bug fixes and here is the complete list according to Apple's Support Webpage:

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.

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.
  • Also Bring Notes Sync Via USB And iTunes 8.2

    With the new Mac OS 10.5.7 DFU mode session are fully functional, which is certainly a good thing! We can also synchronize notes between the iPhone 3.0 and iTunes 8.2 via USB.


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