This is the second milestone of the XWiki Enterprise 4.1 version. This version brings improvements to the Extension Manager's handling of updates to configuration documents, new localization through timezone settings, and customization of chart colors as well as many bug fixes and improvements. See http://www.xwiki.org/xwiki/bin/view/ReleaseNotes/ReleaseNotesXWikiEnterprise41M2 for more information.