Sorry for the confusion, the 1.11.X version represents the RDD Control Panel code, which most users can associate with the Web Interface of RDD.
The new RDD 2.0 represents the Platform Code that will be running the RDD Control Panel. You can think of the Platform Code as the CLI and OS configuration that services the RDD Control Panel.
As a result, the RDD Control Panel 1.11.X can run in both the legacy RDD 1.2.X Platform and the new RDD 2.0.X Platform. This is provided as a bridge for our legacy users to be able to migrate from the old platform to the new.
We will continue to provide patches to the legacy RDD 1.2.X Platform for only the RDD 1.11.X Control Panel. Any future releases of the RDD Control Panel after the 1.11.X version will only be available for the RDD 2.0.X Platform.
All new OVAs release for download on the Support Site will ship with the RDD 2.0 Platform and the RDD 1.11.X Control Panel. The OVA should have the Control Panel version (1.11.X) and the Platform version (2.0.X).