jboss.org JIRA instance has been updated this Wednesday to bring latest version of JIRA and other installed plugins and some bugfixes as you can see in release notes.
JIRA
JIRA point upgrade from 5.2 to 5.2.5 brings mainly bugfixes and performance improvements. One noticeable change is move of reports from dropdown menu to the panel on the Project Summary page, so they are more accessible now.
GreenHopper
GreenHopper has been upgraded from 6.0.8 to 6.1.1 which brings few new features and enhancements. Main enhancement is introduction of Epics, which provide you with an additional hierarchy of story management, providing planning guidance for groups of issues within, or across, projects. For details see 6.1 and 6.1.1 release notes.
Balsamiq Mockups
Balsamiq Mockups plugin for JIRA has been upgraded from 2.2.2 to 2.2.4 which brings support for linking to web addresses (URL's) in all controls that support linking and other improvements and fixes. See relese notes for full list of changes.