Timeline
| Date | Version | Comments |
| March 1999 | 0.5 | Internal to IMS |
| February 2000 | 1.0 public draft | |
| May 2000 | 1.0 final release | |
| August 2000 | 1.01 | |
| March 2001 | 1.1 | |
| January 2002 | 1.2 | |
| March 2003 | 1.2.1 addendum | |
| September 2003 | 2.0 charter | Initiation of working group |
| January 2005 | 2.0 final release | |
| January 2006 | 2.1 public draft | |
| July 2006 | 2.1 public draft version 2 | |
| April 2008 | 2.1 public draft addendum | |
| early 2009 | 2.1 removed from website | |
| April 2009 | 2.1 reinstated on website |
Read more about this topic: QTI