diff --git a/wp-includes/kses.php b/wp-includes/kses.php
index 32df2c6406..2ee8aee5a0 100644
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -2084,6 +2084,8 @@ function wp_filter_post_kses( $data ) {
 /**
  * Sanitizes global styles user content removing unsafe rules.
  *
+ * @since 5.9.0
+ *
  * @param string $data Post content to filter.
  * @return string Filtered post content with unsafe rules removed.
  */
diff --git a/wp-includes/post.php b/wp-includes/post.php
index 75963deb0b..3e2cdbc415 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -449,8 +449,8 @@ function create_initial_post_types() {
 	register_post_type(
 		'wp_global_styles',
 		array(
-			'label'        => __( 'Global Styles' ),
-			'description'  => __( 'Post type for storing user design tokens.' ),
+			'label'        => _x( 'Global Styles', 'post type general name' ),
+			'description'  => __( 'Global styles to include in themes.' ),
 			'public'       => false,
 			'_builtin'     => true, /* internal use only. don't use this when registering your own post type. */
 			'show_ui'      => false,
@@ -499,7 +499,6 @@ function create_initial_post_types() {
 				'items_list_navigation' => __( 'Navigation Menus list navigation' ),
 				'items_list'            => __( 'Navigation Menus list' ),
 			),
-			'description'           => __( 'Navigation menus.' ),
 			'public'                => false,
 			'_builtin'              => true, /* internal use only. don't use this when registering your own post type. */
 			'has_archive'           => false,
diff --git a/wp-includes/rest-api.php b/wp-includes/rest-api.php
index 4efb69dbf3..ba0f7a08de 100644
--- a/wp-includes/rest-api.php
+++ b/wp-includes/rest-api.php
@@ -294,7 +294,7 @@ function create_initial_rest_routes() {
 	$controller->register_routes();
 
 	// Block Renderer.
-	$controller = new WP_REST_Block_Renderer_Controller;
+	$controller = new WP_REST_Block_Renderer_Controller();
 	$controller->register_routes();
 
 	// Block Types.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 321efd195d..008931b2b5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52127';
+$wp_version = '5.9-alpha-52128';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.