ArangoDB Version 3.0 Release Notes
What’s new and incompatible changes in ArangoDB v3.0
What’s New in 3.0
Redesigned cluster core architecture, graph traversals using the AQL query language, persistent indexes, overhauled Foxx microservices and web interface
Incompatible changes in 3.0
Check the following list of potential breaking changes before upgrading to this ArangoDB version and adjust any client applications if necessary