Tuesday, September 2, 2025

Java Weekly Digest: Groovy 5.0, Project Leyden, Helidon MCP, JReleaser, LangChain4j, and Open Liberty Updates

This week’s Java roundup (August 25, 2025) highlights significant updates across various projects. Apache Groovy 5.0.0 has been released, offering full compatibility with JDK 11-25 and enhanced REPL features. Project Leyden’s early-access build improves Java program performance metrics. OpenJDK’s JEP 522 aims to optimize the G1 garbage collector for better application thread synchronization. Other key releases include JDK 25 and JDK 26 early-access builds, alongside the beta release of Open Liberty 25.0.0.9, enhancing FIPS 140-3 compliance.

Additional updates include JReleaser 1.20.0, which improves JBang integration, LangChain4j 1.4.0 with new AI modules, and Camel Quarkus 3.26.0, aligning with Quarkus improvements. The Helidon MCP server is unveiled for development, and Hibernate Validator’s first alpha version focuses on cascading validation performance and new features. For technical details, see respective release notes. Stay informed with the latest Java advancements!

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