Jive Messenger 2.3.1 has been url=http://www.jivesoftware.org/messengerreleased[/url]. Jive Messenger is already a fast server but with this release it just got faster. Read the url=http://www.jivesoftware.org/builds/messenger/docs/latest/changelog.htmlchange log[/url] to learn the complete list of changes.
The new release requires that the Registration, Broadcast and User Import/Export plugins be updated. Get the new versions from url=http://www.jivesoftware.org/messenger/plugins.jsphere[/url].