News is filtering out that a . Dev at Hack MSN Spaces has a partial list of the changes of new version of Spaces that has been released, last week, on Valentine's Day (Feb 14). The most visible being the inclusion of a "Common Friends" box, similar to what's available on Facebook.
Dev lists two other changes - the removal of list descriptions (and changing lists to bold), and a more detailed description for updated Spaces (when you're not signed in). Then in Dev's comments, Mat has a more complete list of the version changes that he's compiled. Unfortunately it's in Italian, so we're forced to fire up Windows Live Translator: