Version 4.6 (released on Feb 27, 2013)

Version 4.5 (released on Sep 21, 2007)

Version 4.4 (released on May 25, 2007)

Version 4.3 (released on Feb 22, 2007)

Version 4.2 (released on Nov 14, 2006)

Version 4.1 (released on Sep 10, 2006)

Version 4.0 (released on Sep 6, 2006)

Version 4.0b4 (released on April 12, 2006)

Version 4.0b3 (released on Dec 28, 2005)

Version 4.0b2 (released on August 1, 2005)