We're getting closer to our biggest XWiki release ever...
You can check out the release notes at http://www.xwiki.org/xwiki/bin/view/Main/ReleaseNotesXWikiEnterprise19M2 (there's more to come !!)
Follow updates about XWiki releases on http://twitter.com/XWiki
UPDATE: as Raffaello points it out below, the musical score is "Making me nervous" by Brad Sucks.