JMS 1.0[4] JMS 1.0.1 (October 5, 1998)[4] JMS 1.0.1a (October 30, 1998)[5][6] JMS 1.0.2 (December 17, 1999)[7] JMS 1.0.2a (December 23, 1999)[8] JMS 1.0.2b (August 27, 2001)[9] JMS 1.1 (April 12, 2002)[10] JMS 2.0 (May 21, 2013)[11][12] JMS 2.0a (March 16, 2015)[13][14]