...

• A new User Interface based on Angular (to replace XMLUI and JSPUI)

• A refactored/enhanced REST API (using modern REST best practices)

• Redesigned submissions and workflows 

• A new Configurable Entities object model, which allows for the creation of new "typed" Items, and storing relationships between Items

• Improved compliance with web accessibility guidelines

Functional Overview of DSpace

The Functional Overview of DSpace provided by Lyrasis (the development home of DSpace), provides a good introduction to the capabilities of the system, and introduces terminology important to using DSpace.