We did the migration and it created new Automation block features.
The features are in “Draft” and the version in draft is selected as “Active” for my account.
We have enabled “Developer mode” at an account-level (there’s no toggle to enable/disable it on my end).

In the video, it says it will use the new automation builder experience:
But it’s not the case for us:

Please let me know if I might have missed something to enable the new automation builder.
(The new Automation block features can be used inside Workflows, this is working!)