Bug 33151 [Navigator] F2 in Outline does not work
RC1 build - new workspace - new Java project, say no to perspective switch prompt - new Java class Test - position cursor over Test class name in editor - F2 - you get the popup - select class Test in Outline - F2 - no effect - choose Edit / Show Tooltip Description - it works
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/navigator/MainActionGroup.java
/**
	 * Runs the default action (open file) by delegating the open group.
	 */
	public void runDefaultAction(IStructuredSelection selection) {
		openGroup.runDefaultAction(selection);
	}
	
	/**
 	 * Handles a key pressed event by invoking the appropriate action,
 	 * delegating to the subgroups as necessary.
 	 */
	public void handleKeyPressed(KeyEvent event) {
		refactorGroup.handleKeyPressed(event);
	}
	
	/**
	 * Extends the superclass implementation to dispose the subgroups.
	 */
	public void dispose() {
		gotoGroup.dispose();
		openGroup.dispose();
		refactorGroup.dispose();
		workingSetGroup.dispose();
		sortAndFilterGroup.dispose();
		workspaceGroup.dispose();
		super.dispose();
	}
}