This release updates J2SE 5.0 to 1.5.0_22, and updates Java SE 6 to 1.6.0_17. J2SE 1.4.2 is no longer being updated to fix issues and is therefore disabled by default in this update.
This release requires Mac OS X v10.5.8.
This release of J2SE 5.0 supports all Intel and PowerPC-based Macs. Java SE 6 is available on 64-bit Intel-based Macs only.
For information about the security content of this update, please see this article.