Download the update and re-generate your project. If you are using the Designer Spreadsheet then please make sure to press Sync button on the project wizard page with the summary of data controllers to reflect the changes.
The previously introduced "enhancement" had no affect on our test projects and the assumption was made that there will be no harm in deploying the change. This has proven to have a significant negative effect on some projects. We apologize for any inconvenience this may have caused.