diff --git a/wp-includes/customize/class-wp-customize-nav-menu-item-control.php b/wp-includes/customize/class-wp-customize-nav-menu-item-control.php
index a37b7c6088..0a10540375 100644
--- a/wp-includes/customize/class-wp-customize-nav-menu-item-control.php
+++ b/wp-includes/customize/class-wp-customize-nav-menu-item-control.php
@@ -132,6 +132,17 @@ class WP_Customize_Nav_Menu_Item_Control extends WP_Customize_Control {
 				</label>
 			</p>
 
+			<?php
+			/**
+			 * Fires at the end of the form field template for nav menu items in the customizer.
+			 *
+			 * Additional fields can be rendered here and managed in JavaScript.
+			 *
+			 * @since 5.4.0
+			 */
+			do_action( 'wp_nav_menu_item_custom_fields_customize_template' );
+			?>
+
 			<div class="menu-item-actions description-thin submitbox">
 				<# if ( ( 'post_type' === data.item_type || 'taxonomy' === data.item_type ) && '' !== data.original_title ) { #>
 				<p class="link-to-original">
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b88f628ac9..9c0213cb7b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta2-47349';
+$wp_version = '5.4-beta2-47350';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.