In V2, when using a page include, when elements expand beyond the initially rendered container for the page, they don’t naturally expand into the overall page cohesively. This is most pronounced with picklist where when a picklist is selected, the include section inserts as scrollbar and the picklist renders behind the page rather than above.
This is behavior I would expect with an iFrame, but page includes should be treated as components of Skuid pages and have an integrated UI. Here’s a before and after when selecting a state picklist from a form on a page include:
