The link below has information on the latest version of the Ultimate Inventory System:
opsive.com
This update has been released on the Opsive Store and will be on the Asset Store soon.
Ultimate Inventory System 1.3.10 Released - Opsive
Version 1.3.10 of the Ultimate Inventory System includes improvements to editor browsing, search, and serialization. This update includes:
opsive.com
This update has been released on the Opsive Store and will be on the Asset Store soon.