4 December 2017
Product catalog
Assets can now be identified by a user-defined 
key that is unique only within the asset's container (a product variant or a category). Before only the id of the assets could be used to identify them. Assets can now be placed at a specific position within the asset list when adding them to a ProductVariant or a Category.- 
[API] Assets have a new optional
keyfield that can be set during creation of the asset or afterwards by the new update actionSetAssetKeyon products and on categories endpoints. - 
[API] An Asset
keycan now be used as an alternative identifier to the asset ID on following update actions: - 
[API] Added optional field
positionon update actions: