Ticket #34175: 34175.get_terms_fields_terms.taxonomy-functions.php.patch

wp-includes/taxonomy-functions.php

@@ -1485 +1485 @@
                 foreach ( $terms as $term ) {
                         $_terms[ $term->term_id ] = $term->slug;
                 }
+        } else {
+                $_terms = apply_filters( 'get_terms_fields_terms', $_terms, $_fields, $args, $taxonomies );
         }
 
         if ( ! empty( $_terms ) ) {