Filter Jetpack Featured Content

jetpack-featured-content.php

<?php
/**
 * Plugin Name: Change Featured Content Properties
 * Plugin URI: https://prothemedesign.com
 * Description: Change featured content properties
 * Author: Ben Gillbanks
 * Version: 1.0
 * Author URI: https://prothemedesign.com
 * Text Domain: romero
 */

function romero_jetpack_init_featured_content() {

	add_theme_support(
		'featured-content',
		array(
			'featured_content_filter' => 'romero_get_featured_posts',
			'max_posts' => 4,
			'post_types' => array( 'post', 'page', 'jetpack-portfolio' ),
		)
	);

}

add_action( 'after_setup_theme', 'romero_jetpack_init_featured_content', 11 );