There are some Relese Notes User guide issues:

MISSING: jBPM section is missing

MODIFY: "JBIDE-5259" Wrong JIRA

ADD: "(View -> Show connections as routed, Show Connections as streight lines)" after "JBIDE-5124: In the Hibernate Diagram Viewer new functionality has been added that allows a user to choose between two different connection routers: Manhattan connection router for small diagrams and Fan connection router for larger diagram"

OLD: JBIDE-5031: To close a database connection a user would have to close the JBoss Developer Studio and then restart the application to continue work without the connection. The database connection can now be closed from within the JBoss Developer Studio by choosing the Close Configuration menu item from the right-click menu in Hibernate Configurations tab.
NEW: JBIDE-5031: To close a database connection a user would have to close the JBoss Developer Studio and then restart the application to continue work without the connection. The database connection can now be closed from within the JBoss Developer Studio by choosing the Close Configuration menu item in Hibernate Console context menu located in Hibernate Configurations View.