I was surprised to see that Jenkins run https://integration.mediawiki.org/ci/job/MediaWiki-GIT-Fetching/588/console passed. (I understand there were no tests run yet, though).
This was introduced by this change:
https://gerrit.wikimedia.org/r/#patch,unified,4672,2,includes/db/DatabasePostgres.php
Version: unspecified
Severity: normal
URL: https://gerrit.wikimedia.org/r/#patch,unified,4672,2,includes/db/DatabasePostgres.php