This document provides a summary of the major new features in JavaServer Faces (JSF) 2.0, including Facelets as the preferred view declaration language, composite components, Ajax support, partial state saving, view parameters, system events, resources, behaviors, view traversal, annotations, navigation, exceptions, validation, EL improvements, and new scopes. It highlights contributions from the JSF expert group and community and provides resources for learning more about JSF 2.0.