Multi-step form performance improvement

[totalhack]

Version 0.17.0 brought general performance improvements but I'm still seeing sluggish first step loading that is proportional to the size of the form. Granted I'm dealing with a monster form that is thousands of lines of JSON when pretty printed, but I'm wondering if there is another general approach that solves this such as dynamically fetching next steps.

For example, is there a way to load the first step only and then asynchronously start loading the other JSON and expanding the nodes in the form under the hood? This would not only improve performance but would allow for more flexible dynamic form loading. I could add a service that dynamically determines the best next steps for the user, AB tests paths, etc.