Java News Roundup: Lazy Constants, TornadoVM 3.0, NetBeans 29, Quarkus, JReleaser, Open Liberty

2026-03-02 · Source: InfoQ · Field: Technology & Digital — Software Development & Engineering, Artificial Intelligence & Machine Learning, Emerging Technologies & Innovation · Depth: Intermediate, short

Summary

The Java ecosystem saw significant updates on February 23rd, 2026, including the elevation of JEP 531, "Lazy Constants (Third Preview)", to Candidate status, introducing changes like the removal of `isInitialized()` and `orElse()` methods and a new `ofLazy()` factory method for Java collections. TornadoVM 3.0.0 reached GA, refactoring IntelliJ project generation and GitHub actions. Apache NetBeans 29 was released with improved `LazyProject` initialization and Codeberg support. Open Liberty 26.0.0.2 introduced Java Toolchains support and patched CVE-2025-14914. Quarkus 3.32 integrated Project Leyden and improved graceful shutdowns. Other releases included Micronaut Framework 4.10.9, JReleaser 1.23.0 with `ChangelogGenerator` path filtering, Chicory 1.7.0 supporting WasmGC and Multi Memory Proposals, RefactorFirst 0.8.0 reducing memory usage, and Jox 1.1.2-channels adding non-blocking `trySend()` and `tryReceive()` methods.

Key takeaway

For CTOs and VP of Engineering overseeing Java development, these updates signal a continued focus on performance, security, and developer tooling. You should evaluate JEP 531's "Lazy Constants" for potential performance gains in your applications and prioritize patching Open Liberty to address CVE-2025-14914. Consider integrating new features from Quarkus 3.32 and JReleaser 1.23.0 to streamline your build and deployment pipelines.

Key insights

Key Java ecosystem components received updates, enhancing performance, security, and developer workflows.

Principles

• Prioritize lazy initialization for performance.
• Separate build JDK from runtime JDK for flexibility.

Method

JEP 531 proposes a third preview for Lazy Constants, removing `isInitialized()` and `orElse()` and adding an `ofLazy()` factory method for `List`, `Set`, and `Map` collections.

In practice

• Utilize `ofLazy()` for stable, pre-defined Java collections.
• Implement Java Toolchains in Liberty Build Plugins.
• Filter commits by path using JReleaser's `ChangelogGenerator`.

Topics

• Java Development Kit
• Quarkus Framework
• TornadoVM
• WebAssembly on JVM
• Java Virtual Threads

Code references

• openjdk/jdk
• beehive-lab/TornadoVM
• apache/netbeans
• quarkusio/quarkus
• micronaut-projects/micronaut-core

Best for: CTO, VP of Engineering/Data, Software Engineer, AI Engineer

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