Java News Roundup for March 9: JHipster 9.0 GA, Project Valhalla Build 27, and More
The InfoQ Java News Roundup for the week of March 9, 2026 brings several notable releases across the Java ecosystem. The headline is the general availability of JHipster 9.0, a major version that establishes Java 21 as the new minimum JDK requirement, aligns with Spring Boot 4.0, and modernizes the entire frontend stack. JHipster 9 drops Java 17 support and establishes Java 21 as the floor, with JDK 25 also supported.
On the frontend side, React 19 is the new default, reactstrap has been replaced by react-bootstrap, Angular has been upgraded to version 21, and Jest is replaced by Vitest. Node.js 22 or later is now required, dropping Node 20 support. The release also aligns Reactive Cassandra and Infinispan with Spring Boot 4.0 and migrates to EnableWebSocketSecurity for improved WebSocket security. For teams building full-stack Spring Boot applications, JHipster 9 is a significant modernization bringing the generator in sync with the latest Java and JavaScript tooling.
Also notable in this week's roundup: Build 27-jep401ea of Project Valhalla ships updated prototypes for value classes (JEP 401). Value classes remain in active development and are expected to finalize in a future LTS release, offering memory layout optimizations that allow objects to be stored inline rather than as heap pointers — enabling significant performance improvements for data-heavy workloads. The roundup also covers point releases of Helidon, OpenXava, and Java Operator SDK, along with a maintenance release of Spring Framework.
Read more — InfoQ
Java News Roundup for March 2: Apache Solr 10 GA, LangChain4j, Gradle, and Devnexus 2026
The March 2nd weekly Java roundup from InfoQ featured the general availability of Apache Solr 10, a major release of the enterprise search platform built on Apache Lucene. Solr 10 modernizes the codebase with Java 21 as the minimum version, removes legacy components, and delivers improved cloud-native deployment options. For teams embedding Solr as a search backend in their Java applications, this is a significant upgrade milestone that aligns with the broader Java ecosystem shift to Java 21 as a baseline.
The roundup also covers updates to LangChain4j, the Java-native LLM integration framework that has been gaining rapid adoption as more Java teams build AI-augmented applications. Point releases of JobRunr (background job processing) and Gradle round out the release news. Gradle continues its push toward better performance and improved toolchain support, with incremental build improvements relevant to large multi-module Java projects.
On the community front, Devnexus 2026 — one of the largest Java developer conferences in the world — was held in Atlanta with a strong focus on AI integration in Java, modern frameworks, and cloud-native patterns. The conference reflected the industry's growing interest in Java as a production runtime for AI workloads, with sessions covering Spring AI, LangChain4j, and Java-based agentic frameworks. Also noted: Pi4J, the Java library for Raspberry Pi development, joined the Commonhaus Foundation — signaling continued growth in IoT Java tooling within a vendor-neutral open-source home.
Read more — InfoQ
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