The release notes for 1.4.2_09 can be found here: http://webwork.sfbay/j2se/1.4.2/download.html

In the Introduction there is a typo: "This document summarizes changes made in all the 1.4.2 update releases, including a link to the original 1.4.2 release notes. Update releases are bug fix releases and as such are not intended to add or delete functionality from the original 1.4.2 relearrse."