diff --git a/wp-includes/class-wp-block-type.php b/wp-includes/class-wp-block-type.php
index 6a028b304c..84e956ec9a 100644
--- a/wp-includes/class-wp-block-type.php
+++ b/wp-includes/class-wp-block-type.php
@@ -193,6 +193,11 @@ class WP_Block_Type {
 	 * Will populate object properties from the provided arguments.
 	 *
 	 * @since 5.0.0
+	 * @since 5.5.0 Added the `title`, `category`, `parent`, `icon`, `description`,
+	 *              `keywords`, `textdomain`, `styles`, `supports`, `example`,
+	 *              `uses_context`, and `provides_context` properties.
+	 * @since 5.6.0 Added the `api_version` property.
+	 * @since 5.8.0 Added the `variations` property.
 	 *
 	 * @see register_block_type()
 	 *
@@ -201,7 +206,7 @@ class WP_Block_Type {
 	 *     Optional. Array or string of arguments for registering a block type. Any arguments may be defined,
 	 *     however the ones described below are supported by default. Default empty array.
 	 *
-	 *
+	 *     @type string        $api_version      Block API version.
 	 *     @type string        $title            Human-readable block type label.
 	 *     @type string|null   $category         Block type category classification, used in
 	 *                                           search interfaces to arrange block types by category.
@@ -213,6 +218,7 @@ class WP_Block_Type {
 	 *                                           result in search interfaces.
 	 *     @type string|null   $textdomain       The translation textdomain.
 	 *     @type array         $styles           Alternative block styles.
+	 *     @type array         $variations       Block variations.
 	 *     @type array|null    $supports         Supported features.
 	 *     @type array|null    $example          Structured data for the block preview.
 	 *     @type callable|null $render_callback  Block type render callback.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 800e6f195c..b92c2301c8 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta4-51243';
+$wp_version = '5.8-beta4-51244';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.