Update 9 March 8, 2011 - Java for Mac OS X 10.5 Update 9 delivers improved compatibility, security, and reliability by updating J2SE 5.0 to 1.5.0_28, and updating Java SE 6 to 1.6.0_24 for 64-bit capable Intel-based Macs. J2SE 1.4.2 is no longer being updated to fix bugs or security issues and remains disabled by default in this update. This is a Combo update: Update 9 supersedes all previous updates of Java for Mac OS X v10.5. http://support.apple.com/kb/DL1359
Update 10, 29 June 2011 - This release updates J2SE 5.0 to 1.5.0_30, and updates Java SE 6 to 1.6.0_26. J2SE 1.4.2 is no longer being updated to fix bugs or security issues and remains disabled by default in this update. Support for out-of-process Java applets on Mac OS X 10.5 Leopard has been removed with this update.
This release is only for Intel Macs running versions of Mac OS X 10.5. http://support.apple.com/kb/DL1359