Außerdem werden weitere Änderungen durchgeführt, die es Entwicklern nicht leichter machen.
Facebook Platform Changelog

April 30th, 2014 – API Version v2.0 This update is associated with the 2014 Facebook Developer Conference (f8). This changelog entry covers a large number of products and services, broken out by topic. This is the first release of Facebook’s API that is versioned.