Apple released late Tuesday Java Update 1.4.2 Update 1.
New enhancements include support for JDK 1.4.2_05, improved behavior for applets in Safari, and increased stability for desktop Java applications.
Apple cautions in the update that if Java 1.4.1 is currently installed on a users Mac, it will be removed. This Java update requires Mac OS X 10.3.4 or later.