The Liferay Faces Reference Documentation has a new chapter titled "Migration Guide" that discusses migration issues that you may encounter when migrating from portletfaces.org projects to Liferay Faces. By way of preview, here are a list of topics discussed:

• BridgeRequestAttributeListener
• Configuration Option Names
• File Upload
• Facelet Tag Library Namespaces
• GenericFacesPortlet
• LiferayFacesContext
• Logging
• Portlet Preferences

For more information, you can download the latest version of the PDF from the following page:

http://www.liferay.com/community/liferay-projects/liferay-faces/documentation

If anyone encounters additional migration issues, please comment below and we'll try to get the documentation updated accordingly. Thanks everyone!