Which has the higher priority in your organization: Deploying a new database or securing the ones you already have?
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Purpose
The package was deprecated in 18c. It used to provide routines to compile all types and reset types during downgrade. Now it doesn't appear to do anything except waste electrons.
From Oracle Development:
"I am removing all procedure from the package as they are no longer in use and they have too many security holes to leave around. Keeping the package for possible future use."