This document summarizes the new features of FreeNAS 9.1.0. Some key updates include improved ZFS volume management with easier ways to extend pools and add devices, an integrated AppCafe to browse and install plugins, more flexible jail configuration for advanced users, IPv6 support, improved shell functionality, and the ability to configure replication users and init/shutdown scripts. FreeNAS is an open source network attached storage application that utilizes ZFS and is focused on enterprise-grade functionality and stability.