The 15.2.1 release adds to the iMIS 15 release, meaning that you can install it easily at any site already using iMIS 15.2.0. You can also upgrade directly from iMIS 15.1.3.
This release rolls out a wide group of features that let you use iParts to serve members and donors over the web, including integration with social media and support for mobile devices. It also improves quality and performance throughout the product family.