Engineer on the Connect team here.
> Now if only we could get something similar for the Connect account stuff. So many different edge cases for countries and businesses, that the only reasonable approach is to autogenerate a form, and hope it makes sense.
We're working on it! Express international support will ease most of the pain in this space (coming soon), and we have talked through ideas for how we can make Elements that handle things like international bank account and routing numbers. We also want to make it easy to migrate from Custom to Express, since you'll get i18n/L10n for free as it lands, and we'll handle things like requesting additional information from your users and showing the right (validated!) fields.