// Enable Yoast, Custom Permalink & ACF fields in REST API
add_action('init', function() {
    foreach ([
        '_yoast_wpseo_title',
        '_yoast_wpseo_metadesc',
        '_yoast_wpseo_focuskw',
        'custom_permalink',
        'menu_title'
    ] as $key) {
        register_post_meta('', $key, [
            'show_in_rest' => true,
            'single'       => true,
            'type'         => 'string',
            'auth_callback' => function() {
                return current_user_can('edit_posts');
            },
        ]);
    }
});
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://plasticsurgeryuntold.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-posts-wbc-portfolio-1.xml</loc></sitemap><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-posts-wbc-reuseables-1.xml</loc></sitemap><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://plasticsurgeryuntold.com/wp-sitemap-taxonomies-portfolio-filter-1.xml</loc></sitemap></sitemapindex>