Facebook made a few announcements in this weeks platform updates blog post which included the introduction of new Insights on mobile devices, a new tool to download daily payment reports and an update to the Facebook SDK 3.0 Beta for Android.
Since the Heroku Platform API v3 hit the market over two years ago, Heroku has announced the official sunset date for v2. On April 15, Heroku will no longer provide access to v2. Prior to the 15th, Heroku will stop supporting auth in query string for security purposes. Prompt migration is necessary.