Merge branch '4.x' into 5.x

# Conflicts:
#	CHANGELOG.md
#	src/controllers/OrdersController.php

Author: nfourtythree

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Release Notes for Craft Commerce
 
+## Unreleased
+
+- Fixed a bug where order errors weren't showing on the Edit Order page.
+
 ## 5.2.8 - 2024-12-04
 
 - Fixed a bug where line items weren’t getting hyperlinked within Edit Order pages. ([#3792](https://github.com/craftcms/commerce/issues/3792))

src/controllers/OrdersController.php

@@ -1444,6 +1444,7 @@ private function _registerJavascript(array $variables): void
 
         if ($order->hasErrors()) {
             $response['order']['errors'] = $order->getErrors();
+            $response['errors'] = $order->getErrors();
             $response['error'] = Craft::t('commerce', 'The order is not valid.');
         }