Partner Commerce Winter '20 SDK Guide Current: What's New in SDK Guide PDF Download PDF Download page What's New in SDK Guide. Current page All pages What's New in SDK Guide The following table lists changes in the documentation to support each release.DocumentTopicDescriptionWinter 2020All topicsAll topics updated. Summer 2020 Patch 1All topicsAll topics updated. Spring 2020All topicsAll topics updated.Winter 2019All topicsAll topics updated.