Analysis of information sources in references of the Wikipedia article "OpenDocument technical specification" in English language version.
Open Document Format v1.0 was approved as an OASIS Standard on 1 May 2005.
Open Document Format v1.1 was approved as an OASIS Standard on 2 February 2007.
Open Document Format v1.2 was approved as a OASIS Standard on 29 September 2011.
Open Document Format for Office Applications (OpenDocument) Version 1.3 OASIS Standard was approved by the members of OASIS on 27 April 2021.