If you delete a multitext sub-textfield and try to refresh the form with the original data, it won’t recreate the sub-textfield when refreshing the form. The issue seems to be that calling setValue() on a subfield doesn’t update the _known_value property of the the parent multitext field. So when the form is refreshed, it thinks the values are unchanged. Here is a snippet that illustrates the problem, along with a workaround:
