Ep56: Java and Langchain4j Releases + GraphRAG with Langchain4j

In this episode of Breaktime Tech Talks, we focus on frameworks, libraries, and integrations that streamline workflows and enable more powerful applications.

Key Technical Topics Covered:

• Releases! Java 25 and Langchain4j 1.5
• Spring Initializr Java version default from 17 to 21
• New blog post! Spring AI with MCP text-to-cypher
• Generating Ollama embeddings for Neo4j (Cypher vs APOC)
• Spring AI advisors (QA advisor and RAG advisor)
• NODES 2025 - free, online technical event!
• Content: Integrating Neo4j with Langchain4j for GraphRAG Vector Stores and Retrievers - GraphRAG with Langchain4j and Neo4j in a Spring app