preload twig function does not append "Link" header in response headers #23737
Description
| Q | A |
|---|---|
| Bug report? | no |
| Feature request? | no |
| BC Break report? | no |
| RFC? | no |
| Symfony version | 3.3.5 |
I wanted to use the preload function for twig but I do not get the "Link" headers appended to the server response. The problem is that $event->isMasterRequest() in AddHeaderLinkListener class returns false (https://github.com/symfony/symfony/blob/master/src/Symfony/Component/WebLink/EventListener/AddLinkHeaderListener.php#L38)
Can you help me @dunglas ?