as the subject. could anyone tell me that envers support other JPA implementor. if not, will it continue to support it?
no, Envers works only with Hibernate, and I don't think that this will change in the nearest future. The metadata models in every framework are different, so accomodating to them would require a substantial amount of work, if this at all would be possible, as I doubt that other JPA implementations are as flexible and rich as Hibernate.