The Neo4j Grails plugin has been released, providing support for basic CRUD operations and exposing the underlying node of each domain object through a property. This plugin was requested by various individuals in the past, making its release exciting news. The plugin's author, Stefan Armbruster, has also provided example code to demonstrate how to use the plugin effectively. With the addition of data to the domain classes, the node space structure becomes apparent, showcasing the potential benefits of using graph databases for applications.