Solved! Go to Solution.
Did you also delete the previous versions of the workflow in the K2 Management.
Those will need to be deleted up to the desired version.
Please see this KB article with more information: http://help.k2.com/support-services/kbt143831
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Okay, I accept this solution, but this not resolved my issue because still, I need to compare the latest version with the default one ?!
and there is no way for "save as" in workflow ?!
The Save As feature for workflows is on the backlog and is currently scheduled to be completed later this year. We are also looking at how to bring standardized version management to all of our artifacts (SmartObjects, Forms, Views, and Workflows).