Masterpress 1.3.6 is a compatibility release. It resolves an edge case with shared fieldsets not working for MySQL 8 when the fieldset is limited to more than 1 post type or taxonomy or excluding any post types or taxonomies.
MEOW_User :: incoming_users( $args = array() )
Retrieves all users that are related to this user via of the Related User field type. This method is a specialisation of WordPress’ get_users method, and as such, it can take arguments that will further clarify the users you want to retrieve, noting that the “include” argument is reserved for this method.
$args = array()
An arguments array or string, as used in the WordPress function get_users, which uses the same defaults as that function