Given the sensitivity of the data involved (payment info, addresses, purchase history), regular updates are not just recommended—they are mandatory.
Onoko ya Honpo UPD appears to be a product or project name combining a Japanese-style brand phrase ("Onoko ya Honpo" meaning roughly "Onoko shop/main store") with the abbreviation "UPD" (commonly short for "update," "upgrade," or "updating program"). This document assumes the subject is a product update release for a retail brand or software service under that name. onoko ya honpo upd