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 Model and Notation BPMN™ 2.0.2 formal January 2014
Case Management Model and Notation CMMN™ 1.1 formal December 2016