ADB Inc, formerly Object Databases, has started shipping version 2.3 of its Matisse database management system, which it says provides object-oriented modelling capabilities. The product supports Kendall Square Research Corp’s KSR/Series, Sun Microsystem Inc’s SunOS 4.1.3, Solaris 2.3, Hewlett Packard Co’s HP- UX and Digital Equipment Corp’s VAX/VMS operating systems. Microsoft Corp Windows and Apple Computer Inc Macintosh versions will follow in the summer. Prices were not available.