>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3578604. --> Reported by: [jurgenhaas](https://www.drupal.org/user/168924) Related to !601 !599 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>In <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/3469143" title="Status: Closed (fixed)">#3469143: MainContentViewSubscriber should use a service locator</a></span>, the main_content_renderers parameter got removed from Drupal core and that will land in 11.4</p> <p>We need to replicate the core changes in the EndpointController and see if that can be back ported even to ECA 2.1</p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <h3 id="summary-ui-changes">User interface changes</h3> <h3 id="summary-api-changes">API changes</h3> <h3 id="summary-data-model-changes">Data model changes</h3> > Related issue: [Issue #3469143](https://www.drupal.org/node/3469143)