Compared to the OpenDJ 2.4, OpenDJ fixes a number of issues, and provides the following additional features. TODO Collective attributes can now be applied based on the values of virtual attributes (OPENDJ-76). OpenDJ now generates modifiersName and modifyTimestamp for add operations (OPENDJ-84). OpenDJ now permits backup of administrative backend types such as LDIF and trust stores (OPENDJ-89).