Is your feature request related to a problem? Please describe.
When upgrading any of the models we have to be able to define a data update path for existing data already stored in the persistence layer. Therefore we have to version model instances on on demand convert old model instances to new ones.
Is your feature request related to a problem? Please describe.
When upgrading any of the models we have to be able to define a data update path for existing data already stored in the persistence layer. Therefore we have to version model instances on on demand convert old model instances to new ones.