Add 'supported' flag to branches, add status message and canonical link to pages that are not the latest
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3524717. -->
Reported by: [gábor hojtsy](https://www.drupal.org/user/4166)
Related to !52
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>We should distinguish between supported and not supported branches. Unsupported and not preferred but supported branches should point people to the preferred branch. (To be done in a UI followup).</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Add a new supported boolean field. Add update function.</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>
issue