For now, yes. Like most things (e.g. Chromecast SDK) they don't speculate until the release is complete.
>The current UI is definitely not something that is appropriate for end users; it is mostly for platform engineers (a tool for examining, debugging, and testing the state of that part of the system), maybe some day for third party developers. In what form these features might be available in the regular UI I couldn’t really speculate about.
