Java 1.4.1 rc supports “partial upgrades”

Along with the Java Web Start changes, there are improvements to the Java Plug-in and its associated Java Runtime Environment (JRE). Prior versions of the JRE required a complete download to install a new version of the runtime environment. The latest version includes a Java Update mechanism that allows the runtime environment to be patched with a partial download.

Check out the rest in this JavaLobby thread.