For the current relationship of this specification to others, see this specification group: Multimodal Web Applications.
| 2012-01-12 | Candidate Recommendation |
| 2011-09-06 | Last Call Working Draft |
| 2011-01-25 | Last Call Working Draft |
| 2010-09-21 | Working Draft |
| 2009-12-01 | Working Draft |
| 2008-10-16 | Working Draft |
| 2008-04-14 | Working Draft |
| 2006-12-11 | Working Draft |
| 2006-04-14 | Working Draft |
| 2005-04-22 | First Public Draft |