Drupal Core (ID : 543) package has been updated to version 11.1.7. Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes. Node add/edit gives a Call to a member function getAccountName() on null when author is NULL. There are leftover references in comments to long ago renamed ListDefinitionInterface.