Item Spec v3.2 Deprecation

Our systems will no longer support item setup using the legacy Item Spec version 3.2. All sellers should migrate to Item Spec version 4.x in order to unlock better content capabilities and avoid any disruption to your item setup requests. In order to streamline your migration effort, the document below for Item Spec v4.X is a comprehensive breakdown of attribute value changes from 3.2 to 4.X.