AT:

• for DMN 1.2 and 1.3 diagrams, optimize is able to:
  • import and parse them using the model API in Optimize
  • read the input and outputs
  • evaluate reports for those diagrams
• the is an engine test in place that runs the test against the latest engine alpha version which includes dmn compatibility

Hint:
You might want to consider to make sure that the engine compatibility test is still working