It's certainly been a busy year so far for the Rights Management (RMS) team, with advanced configuration for Azure RMS moving to the Azure Management Portal, new releases of the RMS sharing app that lets you protect any file type, better support for mobile devices ... and they are not slowing down the improvements any time soon.
If you would appreciate some help in keeping up with the changes, make a note of this Curah! search link for a summary of changes over a 4-month period. After you click the link, choose the "What's New in Azure RMS <time period>" you're interested in. First published for January-April this year, and now May-August, the same link will show you the September-December version when it's published: What's New in Azure RMS
Update January, 2015: Now published, What’s New in Azure RMS (September–December 2014)