concerns on post steps in upgrade to R12.2.5 from R12.1.3

Hi Experts,

This is taken from upgrade guide from R12.1.3 to R12.2

Is the below post steps required?Will upgrade not preserve existing temporary directory/printers during the upgrade.

These tasks apply to all users, regardless of which products are registered as active.

1)Specify a temporary directory for XML Publisher (required):

Use the Oracle XML Publisher's Administration interface to assign a temporary

directory for the site level. The temporary directory improves performance and

allows unlimited XML file size

2)Enable PDF printing (required)

The PDF Publisher print style and PASTA_PDF printer driver provide the

capability to print PDF files using a third-party utility. You can use this style and