The complete list can be found here:
http://www.bring2mind.net/Support/Forums/tabid/143/forumid/26/postid/7314/view/topic/Default.aspx
One of the changes is aimed at improving performance of WebDAV and Sync Folders. Or any other process that does a lot of editing of DMX content. The SQL enhancements should provide notable performance increase for mass edits.
Peter