What were you trying to do that didn't work?

The option "addons" was never officially supported and SKU details was never updated to support this feature.  Given there is no scope of adding this support in SCA only world, we agreed to remove this option from RHEL 10 and deprecate this in the RHEL 9 future releases

For customer's who might have used this field to store some form of arbitrary  data

The customers can continue to store the same information using custom facts.. 

Please provide the package NVR for which bug is seen:

How reproducible:

Always

Steps to reproduce

1. Mark"addons"option under subscription-manager syspurpose as deprecated 
2. Man/Help pages updated with deprecation messages.

Expected results

addons command option exists 

Actual results

addons command option marked as deprecated and should be removed from then next major RHEL update