Date picker instead of input box

This is not an option in our UI. You could make your own field for rendering using the caldera_forms_render_field_file filter though. You should also check out version 1.4, currently in beta, which improves date fields quite a bit.

Please note, we only check this forum once a week, please see this post for information on getting support: https://www.ads-software.com/support/topic/how-to-get-support-10