AutoCAD Release History AutoCAD 1.0 December 1982 (Release 1) AutoCAD 1.2 (2) April 1983 (Release 2) AutoCAD 1.3 (3) August 1983 (Release 3) AutoCAD 1.4 (4) October 1983 (Release 4) AutoCAD 2.0 (5) October 1984 (Release 5) AutoCAD 2.1 (6) May 1985 (Release 6) AutoCAD 2.5 (7) June 1986 (Release 7) AutoCAD 2.6 (8) April 1987 (Release 8) AutoCAD R9 September 1987 codename White [...]

Name Registry Version Programming Environment AutoCAD 2002 15.0 Visual Studio 6.0 AutoCAD 2004 16.0 Visual Studio 7.0 (Visual Studio .Net) (Visual Studio 2002) AutoCAD 2005 16.1 AutoCAD 2006 16.2 AutoCAD 2007 17.0 Visual Studio 8.0 (Visual Studio 2005) AutoCAD 2008 17.1 AutoCAD 2009 17.2 AutoCAD 2010 18.0 Visual Studio 9.0 (Visual Studio 2008) AutoCAD 2011 [...]

Name Registry Version ACADVER AutoCAD 2002 15.0 15.06s (LMS Tech) AutoCAD 2004 16.0 16.0s (LMS Tech) AutoCAD 2005 16.1 16.1s (LMS Tech) AutoCAD 2006 16.2 16.2s (LMS Tech) AutoCAD 2007 17.0 17.0s (LMS Tech) AutoCAD 2008 17.1 17.1s (LMS Tech) AutoCAD 2009 17.2 17.2s (LMS Tech) AutoCAD 2010 18.0 18.0s (LMS Tech) AutoCAD 2011 18.1 [...]

So amazing, AutoCAD will have MAC version too. Seems MAC will more and more popular. For developers, we must know xCode and Objective-C. iPhone, iPad and iPad Touch also will have AutoCAD version called AutoCAD WS. http://through-the-interface.typepad.com/through_the_interface/2010/09/autocad-for-mac.html