Neo4j has released version 1.0-b10, which includes read-only mode and faster deep traversals. The new feature enables developers to test their Cypher queries without modifying the graph data, making it easier to debug and optimize applications. Additionally, the improved deep traversal performance is expected to significantly reduce query execution times in large-scale graph databases. The release is a significant update for Neo4j users, offering enhanced functionality and performance. For more information, developers can refer to the mailing list announcement or check out the detailed changelog.