Java Ecosystem Roundup: GlassFish 8.0, Spring Shell 4.0 RC1, and Major Framework Updates

The week of December 15th, 2025, has been exceptionally busy for the Java community. From significant progress in Jakarta EE 11 runtimes like GlassFish to the evolution of CLI-based Spring applications with Spring Shell 4.0, the ecosystem continues to demonstrate robust growth. This roundup covers the most critical updates across servers, frameworks, and data persistence tools.

Server Runtimes: GlassFish 8.0 and WildFly 39

The drive toward Jakarta EE 11 support is gaining momentum. GlassFish 8.0 has reached its fifteenth milestone (M15), continuing its path as one of the reference implementations for the upcoming enterprise standards. This milestone focuses on component stabilization and enhanced integration with contemporary JDK versions.

Simultaneously, WildFly 39 has entered Beta 1. This release is a major step for the JBoss community, offering a preview of new management features and updated library dependencies that align with the latest security standards. Maintenance releases for Helidon and Vert.x also arrived this week, ensuring stability for microservices and reactive application developers.

Framework Spotlight: Spring Shell 4.0 RC1

One of the most anticipated updates is the first Release Candidate (RC1) of Spring Shell 4.0. This version is built on top of Spring Boot 3.x, bringing improved command-line interface (CLI) capabilities to the Spring ecosystem. It introduces a more streamlined programming model for creating interactive shell applications and better native image support via GraalVM.

Example: Basic Command in Spring Shell 4.0

import org.springframework.shell.standard.ShellComponent;
import org.springframework.shell.standard.ShellMethod;
import org.springframework.shell.standard.ShellOption;

@ShellComponent
public class NewsCommands {

    @ShellMethod(key = "roundup-check", value = "Check the latest Java news version")
    public String checkNews(@ShellOption(defaultValue = "Dec-2025") String date) {
        return "Displaying Java news for: " + date;
    }
}

Data Persistence and Acceleration: Hibernate and TornadoVM

The data layer saw multiple point releases aimed at performance and reactive programming. Hibernate Reactive and Hibernate Search received updates that improve compatibility with the latest database drivers and search engine versions.

In the realm of high-performance computing, TornadoVM continues to push the boundaries of Java on hardware accelerators (GPUs, FPGAs). The latest point release optimizes the JIT compiler for better execution of heterogeneous tasks, making Java even more viable for AI and compute-intensive workloads.

Release Summary Table

The following table summarizes the key releases from the mid-December 2025 period:

Language and Tooling: Kotlin and Micronaut

Kotlin fans also saw a point release focusing on language stability and minor improvements to the K2 compiler. This release ensures that Kotlin remains the premier choice for Android and multiplatform development. Furthermore, Micronaut released maintenance versions addressing critical dependency updates, reinforcing its position as the framework of choice for low-memory, high-performance cloud-native apps.

December 2025 is proving to be a month of refinement for the Java world. The transition to Jakarta EE 11 is clearly the dominant theme for application servers, while frameworks like Spring and Micronaut are focusing on developer experience and runtime efficiency. For Java developers, the message is clear: the ecosystem is moving toward tighter integration, faster startup times, and better native support.