Mac OS X 10.5.7 was released on May 12, 2009. It included various stability and security increases, but was still not the last update before 10.6.  It included the following improvements:

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.
  • Improves wireless keyboard and mouse connection performance.

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.

External References

Apple: About the Mac OS X 10.5.7 Update

Mac OS X.png   Mac OS X / macOS versions
Mac OS X Server : Server 1 (Rhapsody / Hera)
Mac OS X Developer Preview : DP1 | DP2 | DP3 | DP4
Mac OS X Public Beta : Public Beta (Kodiak)
Mac OS X 10.0 (Cheetah) : 10.0.0 | 10.0.1 | 10.0.2 | 10.0.3 | 10.0.4
Mac OS X 10.1 (Puma) : 10.1.0 | 10.1.1 | 10.1.2 | 10.1.3 | 10.1.4 | 10.1.5
Mac OS X 10.2 (Jaguar) : 10.2.0 | 10.2.1 | 10.2.2 | 10.2.3 | 10.2.4 | 10.2.5 | 10.2.6 | 10.2.7 | 10.2.8 (6R73) · 10.2.8 (G5)
Mac OS X 10.3 (Panther) : 10.3.0 | 10.3.1 | 10.3.2 | 10.3.3 | 10.3.4 | 10.3.5 | 10.3.6 | 10.3.7 | 10.3.8 | 10.3.9
Mac OS X 10.4 (Tiger) : 10.4.0 | 10.4.1 | 10.4.2 | 10.4.3 | 10.4.4 | 10.4.5 | 10.4.6 | 10.4.7 | 10.4.8 | 10.4.9 | 10.4.10 | 10.4.11
Mac OS X 10.5 (Leopard) : 10.5.0 | 10.5.1 | 10.5.2 | 10.5.3 | 10.5.4 | 10.5.5 | 10.5.6 | 10.5.7 | 10.5.8
  Mac OS X 10.6 (Snow Leopard) : 10.6.0 | 10.6.1 | 10.6.2 | 10.6.3 | 10.6.4 | 10.6.5 | 10.6.6 | 10.6.7 | 10.6.8
Mac OS X 10.7 (Lion) : 10.7.0 | 10.7.1 | 10.7.2 | 10.7.3 | 10.7.4 | 10.7.5
  Mac OS X 10.8 (Mountain Lion) : 10.8.0 | 10.8.1 | 10.8.2 | 10.8.3 | 10.8.4 | 10.8.5
OS X 10.9 (Mavericks) : 10.9.0 | 10.9.1 | 10.9.2 | 10.9.3 | 10.9.4 | 10.9.5
OS X 10.10 (Yosemite) : 10.10.0 | 10.10.1 | 10.10.2 | 10.10.3 | 10.10.4 | 10.10.5
OS X 10.11 (El Capitan) : 10.11.0 | 10.11.1 | 10.11.2 | 10.11.3 | 10.11.4 | 10.11.5 | 10.11.6
macOS 10.12 (Sierra) : 10.12.0 | 10.12.1 | 10.12.2 | 10.12.3 | 10.12.4 | 10.12.5 | 10.12.6
macOS 10.13 (High Sierra) : 10.13.0 | 10.13.1 | 10.13.2 | 10.13.3 | 10.13.4 | 10.13.5 | 10.13.6
macOS 10.14 (Mojave) : 10.14.0 | 10.14.1 | 10.14.2 | 10.14.3 | 10.14.4 | 10.14.5 | 10.14.6
macOS 10.15 (Catalina) : 10.15.0 | 10.15.1 | 10.15.2 | 10.15.3 | 10.15.4 | 10.15.5 | 10.15.6 | 10.15.7
macOS 11 (Big Sur) : 11.0 | 11.0.1
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