Over in the OTN discussion forum, Sebastien asks about the 11g migration of ADF Faces 10.1.3 feature called "regions".
The <af:region> and <af:regionDef> components that were part of ADF Faces are not part of Apache Trinidad, so there is no one-for-one migration. That said, ADF Faces regions were a feature for which no design time support was provided in the 10.1.3.x release and whose only documentation was a few sentences of help documentation in the online help for the <af:region> and <af:regionDef> tags, so I don't anticipate that many customers have used this feature. In any event, we're interested in providing as smooth as possible transition to 11g for those customers that did figure out how to use this capability so that they can plan ahead. I asked the ADF Faces dev team to provide me some guidance I could pass along.
While the 10.1.3 ADF Faces region component shares some aspects of all of the following 11g features -- 11g page template, 11g declarative component, and 11g region -- it doesn't exactly map to any of them. The ADF Faces team has updated the From ADF to Trinidad wiki with a new section on regions to provide a cookbook approach for how to migrate any usages of 10.1.3 regions you might have in your 10.1.3 applications.
I'd be interested to hear from anyone who has used 10.1.3 regions to understand whether your prototype 11g migration efforts using the combination of JDeveloper 11g Technology Preview 2 release and this regions migration cookbook give you a successful result.
1:43:07 PM 
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