diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
index a1437dd597..4da4b52578 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
@@ -149,6 +149,8 @@ class WP_REST_Post_Types_Controller extends WP_REST_Controller {
 		$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
 		$taxonomies = wp_list_pluck( $taxonomies, 'name' );
 		$base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
+		$supports = get_all_post_type_supports( $post_type->name );
+
 		$data = array(
 			'capabilities' => $post_type->cap,
 			'description'  => $post_type->description,
@@ -156,6 +158,7 @@ class WP_REST_Post_Types_Controller extends WP_REST_Controller {
 			'labels'       => $post_type->labels,
 			'name'         => $post_type->label,
 			'slug'         => $post_type->name,
+			'supports'     => $supports,
 			'taxonomies'   => array_values( $taxonomies ),
 			'rest_base'    => $base,
 		);
@@ -239,6 +242,12 @@ class WP_REST_Post_Types_Controller extends WP_REST_Controller {
 					'context'      => array( 'view', 'edit', 'embed' ),
 					'readonly'     => true,
 				),
+				'supports'         => array(
+					'description'  => __( 'All features, supported by the post type.' ),
+					'type'         => 'object',
+					'context'      => array( 'edit' ),
+					'readonly'     => true,
+				),
 				'taxonomies'       => array(
 					'description'  => __( 'Taxonomies associated with post type.' ),
 					'type'         => 'array',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index da57bc6f2c..3e2ebf3dd7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39645';
+$wp_version = '4.8-alpha-39647';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.