R12 New Features.........

1).Jinitiator is removed.Instead native Java Plugin is used
2).Jserv is replaced by OC4J Container
3).10g Forms and reports are in place
4).Base release of Oracle AS is now 10g
5).XML Publiser is given more importance over Oracle Reports
6).R12 Comes with 10g Database
7).Change in the UI(swan Interface). Looks cool.