MacUpdate today announced the availability of MacUpdate Desktop 4.2.4, an application that helps users highlight outdated Apple and most 3rd party applications up-to-date with their latest version releases. Changes in version 4.2.4 include: Universal Binary support; adds a manual “Search for matches…” item in the drop down menu; support for searching PPC and Universal Binary applications; support for Dashboard widgets; additional SSL security enhancements; and more.