Spring Data Neo4j 4.0.0.RC2 has been released, featuring improved integration with Spring Data REST and ConversionService, performance enhancements for Cypher queries, and support for self-relations. The latest version includes fixes for persistence issues and enables execution of Cypher statements that modify the graph while returning results. A comprehensive reference documentation and example projects are available to help users get started with Spring Data Neo4j 4.0.0.RC2. The release is a result of contributions from users who reported issues via various channels, and the community's feedback is still welcome to ensure a great final release.