>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3567494. --> Reported by: [longwave](https://www.drupal.org/user/246492) >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>Core recently opened the <code>main</code> branch but this crashes the update manager when it arrives in the XML feed as it's not valid semver: <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/drupal/issues/3567483" title="Status: Closed (fixed)">#3567483: Update manager crashing admin panel with uncaught exceptions parsing version strings</a></span></p> <p>Core should also be fixed to be more lenient here but this doesn't solve the problem for existing sites.</p> <h4 id="summary-steps-reproduce">Steps to reproduce</h4> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Filter <code>main</code> from the update XML feed.</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> > Related issue: [Issue #3567483](https://www.drupal.org/node/3567483)