Migrating to Wicket 1.4
Getting and building it
http://wicket.apache.org/building-from-svn.html describes how to get and build Wicket 1.4.x.
Snapshots can be found in this maven repository and has version 1.4-SNAPSHOT:
http://wicketstuff.org/maven/repository
Table of contents
JDK 1.5
Minimum Java version is now 1.5.