JBoss.orgCommunity Documentation
In Content, there are some deprecated portlets, including Browse Content (BC), Parameterized Content Viewer (PCV), Parameterized Content List Viewer (PCLV), Category Navigation (CN), Newsletter Viewer, Newsletter Manager, Form Builder.
In which:
The BC, Newsletter Viewer, Newsletter Manager and Form Builder portlets are not used anymore.
The PCV portlet is still used, but its java class named UIPCVPortlet is replaced by UISingleContentViewerPortlet of the Single Content Viewer (SCV) portlet.
The PCLV portlet is still used, but its java class named UIPCLVPortlet is replaced by UICLVPortlet of the Content List Viewer (CLV) porlet.
The CN portlet is still used, but its java class named UICategoryNavigationPortlet is replaced by UICLVPortlet of the CLV porlet.