When you are working towards a release of your application there are a few things you need to check/set up. Most of these steps are included in the deployment screen of the Software Factory. However, the data migration screen is currently missing from this.
This should either be included in the Creation menu group or even better be included in the deployment pages/steps. Currently this step is often forgotten/missed resulting in deployment issues.
This also applies to the New objects screen, please also see this idea: