This is a development release aimed at Eclipse 4.4 (Luna) users.
Eclipse Marketplace:
https://marketplace.eclipse.org/content/jboss-tools-luna
Update Site:
http://download.jboss.org/jbosstools/updates/development/luna/
Update Site Zips:
http://sourceforge.net/projects/jboss/files/JBossTools/jbosstools4.2.x/
Installation instructions:
http://tools.jboss.org/downloads/installation.html
New + Noteworthy (subject to change):
http://tools-stg.jboss.org/documentation/whatsnew/jbosstools/4.2.0.CR1.html
Schedule / Upcoming Releases:
https://issues.jboss.org/browse/JBIDE#selectedTab=com.atlassian.jira.plugin.system.project%3Aversions-panel