Versions tab consists of provides a list of items added by users to keep track of the commits made to the models. all the significant changes (ie commits) made to the model in the Model Datastore.
Note: This list of commits shown in the Model Catalogue is normally just a subset of the actual commits made in the Model Datastore. Providers only publish the commits that the wish to make available to potential consumers.
How to add a new version
This is good 