Hi @hagedorn,
Thanks for the post.
To get this done, you will need the following code:
function my_post_object_query( $args, $field, $post )
{
// modify the order
$args['orderby'] = 'date';
$args['order'] = 'DESC';
return $args;
}
// filter for a specific field based on it's name
add_filter('acf/fields/post_object/query/name=heft', 'my_post_object_query', 10, 3);