CUPERTINO, CaliforniaMarch 21, 2003Apple® today announced that it has rescheduled its 2003 Worldwide Developers Conference in order to provide developers with a more complete preview release of the next version of Mac® OS X, code named ³Panther.² Originally scheduled for May 19-23 in San Jose, the conference will now be held June 23-27 at San Francisco¹s Moscone Center.