Jive Messenger 2.3.0 beta 1 has been url=http://www.jivesoftware.org/downloads.jspreleased[/url]. This version includes an equal number of improvements and bug fixes. Read the url=http://www.jivesoftware.org/builds/messenger/docs/2.3.0.beta1/changelog.htmlchange log[/url] to see the complete list of changes.
The admin console has been converted to use Sitemesh. This means that current version of plugins that expose their functionality in the admin console should be replaced with the new version. You can get the new plugins url=http://www.jivesoftware.org/messenger/plugins-beta.jsphere[/url].