4.0 April 2003 ISBN 0-321-18578-1 ISO/IEC 10646:2003 52 96,447 Cypriot syllabary , Limbu , Linear B , Osmanya , Shavian , Tai Le , and Ugaritic added, as well as Hexagram symbols . [ 28 ] 4.1 March 2005 ISO/IEC 10646:2003 plus Amendment 1 59 97,720 Buginese , Glagolitic , Kharoshthi