diff --git a/wp-includes/post.php b/wp-includes/post.php
index 4741d989fa..aef5648ec8 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -328,6 +328,7 @@ function create_initial_post_types() {
 			'map_meta_cap'          => true,
 			'supports'              => array(
 				'title',
+				'excerpt',
 				'editor',
 				'revisions',
 				'custom-fields',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f67ca4c8a2..e0f42df094 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58183';
+$wp_version = '6.6-alpha-58184';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.