diff --git a/wp-includes/class-wp-customize-widgets.php b/wp-includes/class-wp-customize-widgets.php
index 1da2a3926a..5b2b04c78e 100644
--- a/wp-includes/class-wp-customize-widgets.php
+++ b/wp-includes/class-wp-customize-widgets.php
@@ -1612,6 +1612,8 @@ final class WP_Customize_Widgets {
 	/**
 	 * Inject selective refresh data attributes into widget container elements.
 	 *
+	 * @since 4.5.0
+	 *
 	 * @param array $params {
 	 *     Dynamic sidebar params.
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b3fc03a015..e9eb1a1d1e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42395';
+$wp_version = '5.0-alpha-42396';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.