Index: wp-admin/includes/media.php
===================================================================
--- wp-admin/includes/media.php	(revision 32069)
+++ wp-admin/includes/media.php	(working copy)
@@ -825,6 +825,7 @@
  * Download an image from the specified URL and attach it to a post.
  *
  * @since 2.6.0
+ * @since 4.2.0 Introduced the `$return` parameter.
  *
  * @param string $file The URL of the image to download
  * @param int $post_id The post ID the media is to be associated with
Index: wp-includes/post.php
===================================================================
--- wp-includes/post.php	(revision 32069)
+++ wp-includes/post.php	(working copy)
@@ -5135,7 +5135,8 @@
  * Checks if the attachment is an image.
  *
  * @since 2.1.0
- * @since 4.2.0 Modified into wrapper for wp_attachment_is()
+ * @since 4.2.0 Modified into wrapper for wp_attachment_is() and
+ *              allowed WP_Post object to be passed.
  *
  * @param int|WP_Post $post Optional. Attachment ID. Default 0.
  * @return bool Whether the attachment is an image.
Index: wp-includes/taxonomy.php
===================================================================
--- wp-includes/taxonomy.php	(revision 32069)
+++ wp-includes/taxonomy.php	(working copy)
@@ -4653,7 +4653,7 @@
 	 * Filter a given object's ancestors.
 	 *
 	 * @since 3.1.0
-	 * @since 4.1.0 Introduced the `$resource_type` parameter.
+	 * @since 4.1.1 Introduced the `$resource_type` parameter.
 	 *
 	 * @param array  $ancestors     An array of object ancestors.
 	 * @param int    $object_id     Object ID.