I've released zope.sqlalchemy 0.6 with the following changes: * Implement should_retry for sqlalchemy.orm.exc.ConcurrentModificationError and serialization errors from PostgreSQL and Oracle. (Specify transaction>=1.1 to use this functionality.) * Include license files. * Add ``transaction_manager`` attribute to data managers for compliance with IDataManager interface. Release available from http://pypi.python.org/pypi/zope.sqlalchemy Laurence