The "acronym" link navigates to the latest version of the specification, this link changes whenever a new version of the specification is published.
The "Version" link navigates to the specific version.

Name Acronym Version Status Publication Date
Total: 2
Business Process Definition Metamodel BPDM 1.0 formal November 2008
Business Process Model and Notation BPMN™ 2.0.2 formal January 2014