render_esi breaks web dev toolbar #62451
Description
Symfony version(s) affected
7.4.0-rc2
Description
Hi!
testing the new 7.4, and the dev toolbar failed to load and no data is collected if my template has a render_esi(...) call in them.
The token is there in the response:
HTTP/1.1 200 OK
Date: Thu, 20 Nov 2025 11:25:52 GMT
Server: Apache/2.4.65 (Debian)
X-Powered-By: PHP/8.4.14
Cache-Control: must-revalidate, no-cache, private
X-Debug-Token: 909bce
X-Debug-Token-Link: http://ticat.loc/_profiler/909bce
But not data in the profiler
How to reproduce
<?php
declare(strict_types=1);
namespace App\Controller;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\AsController;
use Symfony\Component\Routing\Attribute\Route;
use Twig\Environment;
#[AsController]
final readonly class TestController
{
#[Route(path: '/test')]
public function test(Environment $twig): Response
{
return new Response($twig->render('test.html.twig'));
}
public function esi(): Response
{
return new Response('Hello ESI!');
}
}<!doctype html>
<html>
<head></head>
<body>
Hello template!
{{ render_esi(controller('App\\Controller\\TestController::esi')) }}
</body>
</html>!!! IMPORTANT !!!:
!You need to set framework.http_cache to true, for reproducing the issue!
framework:
secret: '%env(APP_SECRET)%'
http_cache: true
session: true
esi: true
fragments: truePossible Solution
No response
Additional Context
No response