diff --git src/wp-includes/post.php src/wp-includes/post.php
index 10f2129c53..2afe28bb96 100644
--- src/wp-includes/post.php
+++ src/wp-includes/post.php
@@ -1420,6 +1420,14 @@ function _post_type_meta_capabilities( $capabilities = null ) {
  * - `items_list_navigation` - Label for the table pagination hidden heading. Default is 'Posts list navigation' /
  *                           'Pages list navigation'.
  * - `items_list` - Label for the table hidden heading. Default is 'Posts list' / 'Pages list'.
+ * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.'
+ * - `item_published_privately` - Label used when an item is published with private visibility.
+ *                              Default is 'Post published privately.' / 'Page published privately.'
+ * - `item_reverted_to_draft` - Label used when an item is switched to a draft.
+ *                            Default is 'Post reverted to draft.' / 'Page reverted to draft.'
+ * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' /
+ *                    'Page scheduled.'
+ * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.'
  *
  * Above, the first default value is for non-hierarchical post types (like posts)
  * and the second one is for hierarchical post types (like pages).
@@ -1433,6 +1441,8 @@ function _post_type_meta_capabilities( $capabilities = null ) {
  *              `items_list_navigation`, and `items_list` labels.
  * @since 4.6.0 Converted the `$post_type` parameter to accept a WP_Post_Type object.
  * @since 4.7.0 Added the `view_items` and `attributes` labels.
+ * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`,
+ *              `item_scheduled`, and `item_updated` labels.
  *
  * @access private
  *
@@ -1465,6 +1475,11 @@ function get_post_type_labels( $post_type_object ) {
 		'filter_items_list' => array( __( 'Filter posts list' ), __( 'Filter pages list' ) ),
 		'items_list_navigation' => array( __( 'Posts list navigation' ), __( 'Pages list navigation' ) ),
 		'items_list' => array( __( 'Posts list' ), __( 'Pages list' ) ),
+		'item_published' => array( __( 'Post published.' ), __( 'Page published.' ) ),
+		'item_published_privately' => array( __( 'Post published privately.' ), __( 'Page published privately.' ) ),
+		'item_reverted_to_draft' => array( __( 'Post reverted to draft.' ), __( 'Page reverted to draft.' ) ),
+		'item_scheduled' => array( __( 'Post scheduled.' ), __( 'Page scheduled.' ) ),
+		'item_updated' => array( __( 'Post updated.' ), __( 'Page updated.' ) ),
 	);
 	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];
 
