SQL Developer is is now the interface to administer the Oracle Application Express Listener. The new interface enables you to specify global settings and multiple database settings with different database connections for the Application Express Listener. The APEX Listener supports configurations for Oracle Application Express and other deployments using Oracle WebLogic Server, Oracle Glassfish Server, and a standalone mode.
SQL Developer provides continued enhancements to the user interface. Some enhancements include the option to drag and drop objects by table or column name onto the worksheet, improved DB Diff comparison options, GRANT statements support in the SQL editor and DB Doc reporting improvements.
Many critical and customer bugs have been fixed for this release. Review the list of bugs fixed here.