We just updated from Joomla 3 to 4 and are using the Layla template. On our category blog pages, we are seeing "Expired" displayed above the article content:
https://dianec69.sg-host.com/sharedsolutions
Code shows:
<span class="label label-warning">Expired</span>
We are not seeing it when using the Cassiopeia template:
https://dianec69.sg-host.com/shared-solutions-cassiopeia