id summary reporter owner description type status priority milestone component version severity resolution keywords cc focuses 46265 Newly registered taxonomy adds new entries upon save zethodderskov "[[Image(https://cdn-std.dprcdn.net/files/acc_636823/eAR3qg)]] The gif above should be self-explanatory. It adds new topics (with the name of an ID or something) upon saving a post. It's a custom registerede taxonomy. I deactivated all plugins and put these lines of code in functions.php of Twentynineteen, - and the bug is still reproducable: {{{ /** * Disable regular editor */ function life_init_remove_support(){ remove_post_type_support( 'page', 'editor'); remove_post_type_support( 'post', 'editor'); } add_action('init', 'foobar_init_remove_support', 100 ); // Register Custom Taxonomy function foobar_learning_packages_taxonomy() { $topic_labels = array( 'name' => _x( 'Topics', 'Taxonomy General Name', 'foobar_lang' ), 'singular_name' => _x( 'Topic', 'Taxonomy Singular Name', 'foobar_lang' ), 'menu_name' => __( 'Topics', 'foobar_lang' ), 'all_items' => __( 'All topics', 'foobar_lang' ), 'parent_item' => __( 'Parent topic', 'foobar_lang' ), 'parent_item_colon' => __( 'Parent topic:', 'foobar_lang' ), 'new_item_name' => __( 'New topic name', 'foobar_lang' ), 'add_new_item' => __( 'Add new topic', 'foobar_lang' ), 'edit_item' => __( 'Edit topic', 'foobar_lang' ), 'update_item' => __( 'Update topic', 'foobar_lang' ), 'view_item' => __( 'View topic', 'foobar_lang' ), 'separate_items_with_commas' => __( 'Separate topics with commas', 'foobar_lang' ), 'add_or_remove_items' => __( 'Add or remove topics', 'foobar_lang' ), 'choose_from_most_used' => __( 'Choose from the most used', 'foobar_lang' ), 'popular_items' => __( 'Popular topics', 'foobar_lang' ), 'search_items' => __( 'Search topics', 'foobar_lang' ), 'not_found' => __( 'Not found', 'foobar_lang' ), 'no_terms' => __( 'No topics', 'foobar_lang' ), 'items_list' => __( 'Topics list', 'foobar_lang' ), 'items_list_navigation' => __( 'Topics list navigation', 'foobar_lang' ), ); $topic_rewrite = array( 'slug' => 'topic', 'with_front' => true, 'hierarchical' => false, ); $topic_args = array( 'labels' => $topic_labels, 'hierarchical' => false, 'meta_box_cb' => 'post_categories_meta_box', 'public' => true, 'show_ui' => true, 'show_admin_column' => true, 'show_in_nav_menus' => true, 'show_tagcloud' => false, 'rewrite' => $topic_rewrite, 'show_in_rest' => true, ); register_taxonomy( 'topic', array( 'post' ), $topic_args ); } add_action( 'init', 'foobar_new_taxonomy', 0 ); }}} " defect (bug) closed normal Taxonomy 5.0.3 normal duplicate