Java News Roundup: A2A Java SDK 1.0, Jakarta EE 12, JNoSQL, GraalVM, Micrometer, OpenXava, Gradle

2026-06-16 · Source: InfoQ · Field: Technology & Digital — Software Development & Engineering, Artificial Intelligence & Machine Learning · Depth: Intermediate, short

Summary

The Java ecosystem experienced a busy week for June 8th, 2026, marked by numerous significant updates and releases. The A2A Java SDK 1.0.0 reached General Availability, providing a Java library for implementing the Agent2Agent Protocol in agentic applications. Jakarta EE 12 development is on track, with Core Profile specifications nearing milestone releases and ongoing discussions about integrating MicroProfile Config. Eclipse JNoSQL 1.2.0-M1 introduced JDK 21 support and enhanced the CustomRepositoryHandler for inheritance. GraalVM Native Build Tools 1.1.2 added Macaron and grund support. Spring Framework saw extensive activity, delivering point releases across many projects and GA releases for Spring AI 2.0.0 and Spring Data 2026.0.0. Micrometer Metrics 1.17.0 and Micrometer Tracing 1.7.0 also received point releases. Gradle 9.6.0-RC2 improved Configuration Cache hit rates and deprecated Groovy DSL implicit property lookup. Early-access builds for JDK 27 (Build 26) and JDK 28 (Build 2) were also made available with various fixes.

Key takeaway

For Java developers building agentic applications, you should evaluate the A2A Java SDK 1.0.0 for implementing the Agent2Agent Protocol. If you are working with Jakarta EE, monitor the Jakarta EE 12 progress, especially regarding Core Profile and potential MicroProfile Config integration. Teams using Gradle should review the 9.6.0-RC2 release notes for Configuration Cache improvements and upcoming Groovy DSL changes. Consider updating your Spring projects to the latest point releases and exploring Spring AI 2.0.0.

Key insights

The Java ecosystem continues its rapid evolution with numerous SDKs, frameworks, and build tools receiving significant updates.

Topics

• Java Development
• Jakarta EE
• Spring Framework
• GraalVM
• Build Automation
• Agentic AI

Code references

• openjdk/jdk
• orgs/jakartaee
• eclipse-jnosql/jnosql
• graalvm/native-build-tools
• oracle/macaron

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Editorial summary, takeaway, and curation by AIssential. Original article published by InfoQ.