We are curious of how v8's Infinite Editing feature could be leveraged.
We are curious of how NuCache could support the use of "real nodes".
We are curious of how content tabs would be displayed?
Are there any extra considerations for how variant's split-view would work?
From a historical perspective...
It is important to recall the history of this package library, keeping in mind that Inner Content (or more specifically Stacked Content) evolved from iterations of several packages, e.g. WidgetGrid, Mortar, Doc Type Grid Editor and Nested Content.
Inner Content was not invented before Umbraco v7.0 had been released.
Thoughts on supporting v8...
From a historical perspective...