If you use the Eclipse RCP binary instead of the RCP SDK, there are various problems in the development environment. Many of the plug-in property pages were truncated, displaying only the top few widgets (and cutting off the last widget shown). Also, the extensions panel was not showing the various extension attribute types under the 'New' context menu (e.g. category, view, and stickyView were not available for extensions of type org.eclipse.ui.views).