diff --git a/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js b/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
index 8b3739865f..313a14a147 100644
--- a/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
+++ b/wp-content/themes/twentytwentyone/assets/js/primary-navigation.js
@@ -211,7 +211,7 @@ function twentytwentyoneExpandSubMenu( el ) { // jshint ignore:line
 		} );
 	};
 
-	window.addEventListener( 'load', function() {
+	document.addEventListener( 'DOMContentLoaded', function() {
 		new navMenu( 'primary' );
 	} );
 }() );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fe3a4c4203..ec564df656 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8.2-alpha-60420';
+$wp_version = '6.8.2-alpha-60423';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.