Nothing should change in terms of behavior. The places where these changes were made should now say "phorge".
Example tests:
- Manage a single User and click on Delete User and see the popup
- Run a test email and check the output
./bin/mail send-test --to username
- Visit /maniphest/, shift+click on at least 1 Task, click on Bulk Edit Selected,
Continue, see the popup
- See the mentioned documentation with your big eyes. Eyes do not explode \o/