Recent items shortcode which is defined in

plugins/wpresidence-core/shortcodes/shortcodes.php

You have to do 2 edits:

1. Change order

2. Remove the custom order we have in place (for featured first, and by publish date next)

This is a similar example http://help.wpresidence.net/article/order-by-edit-date/ but you have to change the order as you desire