November 2019 saw The Open Group release its latest version of the ArchiMate ® modeling language for Enterprise Architecture.

Version 3.1 is an update from Version 3.0 which was released in 2016. The update may be minor, but the new version holds a number of useful additions and improvements for Enterprise Architecture practitioners.

The three most notable improvements are:
- The addition of a value stream element
- The introduction of a directed notation for association
- Further formalization and refinement of the rules for deriving relationships