#21: xmlrpc_default_taxonomy_fields

xmlrpc_default_taxonomy_fields.php

<?php
/**
 * Only retrieve cap and object_type in taxonomy XML-RPC getters
 *
 * @see wp.getTaxonomy(), wp.getTaxonomies()
 *
 * @param array $fields An array of taxonomy fields.
 * @param string $method The XML-RPC method name.
 *
 * @return array The filtered array of fields.
 */
function wpdocs_fewer_xmlrpc_tax_fields( $fields, $method ) {
	return array( 'cap', 'object_type' );
}
add_filter( 'xmlrpc_default_taxonomy_fields', 'wpdocs_fewer_xmlrpc_tax_fields', 10, 2 );