Facebook recently began sending notices to many users of JFBConnect, the Facebook integration suite for Joomla, notifying them of upcoming changes to the Facebook platform. This email, referencing the "July 2013 Breaking Changes", contains some information on Facebook integration features that your site may use.
Please rest assured that the current releases of JFBConnect fully supports the upcoming changes. In almost all cases, you should experience no altered behavior, but there are a few things to watch depending on how you may have implemented your Facebook Like buttons or Facebook Comment boxes in Joomla.
Read on for more details about the update, and how you should be already prepared just by using JFBConnect.