1 of 1 people found this helpful
tree was implemented in M4 but advanced features will be added in M5. You cas see showcase sample http://richfaces-showcase.appspot.com/richfaces/component-sample.jsf?demo=tree.
Drop down menu will be implemented in M5. You can find a list of components for M5 in Jira https://jira.jboss.org/browse/RF-9332.
Thanks a lot Palo