>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #2781111. --> Reported by: [dawehner](https://www.drupal.org/user/99340) Related to !6746 !6745 !8 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>Instead of accessing the node from the route match <code>core/modules/book/src/Plugin/Block/BookNavigationBlock.php</code> could use context as well,<br> see <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/2575827" title="Status: Closed (fixed)">#2575827: Use RouteMatch instead of request attributes in book navigation block</a></span></p> <h3 id="proposed-resolution">Proposed resolution</h3> <p>Implement that</p> <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>