If users with the developer or release engineer roles were assigned additional roles that included the ability to create a website from backup, these users could still access backups after the additional role assignments were removed.
When staging a secondary website from a site collection using the Site Factory API, the primary website from the site collection failed to stage.
In some circumstances, code release tasks and site duplication tasks could block each other from progressing.
Site Factory 2.74 - April 25, 2018 | Acquia Product Documentation