https://www.drupal.org/project/drupal/issues/3439017
Umami page.tpl.php breaks block placeholders [#3439017] | Drupal.org
Jun 4, 2024 - Problem/Motivation Trying to use #create_placeholder on a block causes blocks not to render at all in the Umami theme. I did some debugging, and the...
umamitplphpbreaksblock