2) I thought there was a wrapper for DB independence, so that Hibernate
could still be fully supported?
JPA is the wrapper as far as I understand.
In the current version I recall there being a "Manager" interface that
encapsulates the Hibernate API, and I thought the JPA work was another
implementation of that interface. Am I wrong?
Hibernate implements JPA, other things implement JPA.
Roller won't require any "vendor-specific" extensions to the JPA? I've
been reading "Java Persistence with Hibernate" and the authors imply
that to do anything "real" you'll need extensions to JPA whether you use
Hibernate or not.
-- Sean