may be, just may, thats because of Maturity of JPA and hibernate
hibernate has made great advances from version 2 to 3, after adopting JPA standard,
which was really merging the hibernate, toplink, kodo, castor, and other ORMs

speaking of my self, currently I don't have any serious design problem with Hibernate,
but from the time  you have introduced me Wickets,
I can't keep thinking about how could I have Inheritance in web UI technologies I use.

and about Redhat policy on JBoss,
most of stock market analysts believe that Redhat acquisition of JBoss was not successful.
it is a very bad news for people like me who are using lots of JBoss opens source products.
now I understand  why apache foundation development  process is company neutral.