PhP is hard in the morning...

Author: iWirk

app/Http/Controllers/SettingsController.php

@@ -83,6 +83,8 @@ public function checkForCpUpdate(): JsonResponse
             flash('A new version of the Control Panel is available.', $target, 'info');
         }
 
-        return response()->json(compact($target));
+        return response()->json([
+            'target' => $target
+        ]);
     }
 }