Gerrit Meier launched a new series about Spring Data Neo4j, while Adam Cowley announced the launch of Charts, a Neo4j Graph App that makes it easy to create charts on top of graph data. Hantsy continued the Spring Data Neo4j series by showing how to write custom queries using the @Query annotation in Spring Data Neo4j. Meanwhile, Jesús Barrasa built a graph of the UNESCO Thesaurus and Elaine Rosenberg launched the new Neo4j 4.0 Certification exam. The Developer Relations team also shared news about various tools and updates, including BruteShark's version v1.1.2 and Linkurious Enterprise's version 2.9.10. Additionally, Chuck Frisbie was featured as a community member, having recently presented Turbocharging Advanced Analytics with Sisense and the Neo4j Connector for BI at the Neo4j Connections event.