Author: Michael Redlich

This week’s Java roundup for March 17th, 2025, features news highlighting: the GA releases of JDK 24 and Apache Kafka 4.0; the March 2025 edition of the Payara Platform; Spring Security CVEs; and JavaOne 2025.

JDK 24

Oracle has released version 24 of the Java programming language and virtual machine, which ships with a final feature set of 24 JEPs. More details may be found in this InfoQ news story.

JDK 25

Build 15 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 14 that include fixes for various issues. Further details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

GraalVM

In conjunction with the release of JDK 24, the released of GraalVM for JDK 24 by Oracle Labs delivers new features such as: Graal Neural Network (GNN), a new static profiler that “provides a new generation of machine learning-powered profile inference” (available only on Oracle GraalVM); SkipFlow, a new experimental extension to Native Image static analysis that “tracks primitive values and evaluates branching conditions dynamically during the analysis process;” and an optimized Foreign Function and Memory API in Native Image with new specialized upcalls for direct method handles. More details on this release may be found in the release notes and the upcoming GraalVM for JDK 24 release stream on YouTube. InfoQ will follow up with a more detailed news story.

BellSoft Liberica

The release of Liberica JDK 24, BellSoft’s downstream distribution of OpenJDK 24, includes 2,597 bug fixes in the JDK and 175 bug fixes in JavaFX. Developers may download this latest version from this website.

Project Loom

Build 25-loom+1-11 of the Project Loom early-access builds was made available to the Java community this past week and is based on Build 13 of the JDK 25 early-access builds. This build improves the implementation of Java monitors (synchronized methods) for enhanced interoperability with virtual threads.

Spring Framework

It was a busy week over at Spring as the various teams have delivered milestone releases of Spring Boot, Spring Security, Spring Authorization Server, Spring for GraphQL, Spring Integration, Spring AMQP, Spring for Apache Kafka and Spring Web Services.There were also point releases of Spring Batch and Spring for Apache Pulsar. Further details may be found in this InfoQ news story.

The Spring team has disclosed two CVEs that affect Spring Security:

Josh Long, Spring developer advocate at Broadcom, has tweeted that March 24, 2025 marks 21 years since the formal GA release of Spring Framework 1.0.

Payara

Payara has released their March 2025 edition of the Payara Platform that includes Community Edition 6.2025.3, Enterprise Edition 6.24.0 and Enterprise Edition 5.73.0. All three releases provide bug fixes, security fixes, dependency upgrades and two improvements: the ability to specify the global context root for any deployed application using the payaramicro.globalContextRoot property; and a CORBA update to use the new implementation of Jakarta Concurrency 3.1 instead of synchronized blocks.

This edition also delivers Payara 7.2025.1.Alpha1 featuring full support for the Jakarta EE 11 Core Profile, released in December 2024, along with the same improvements in Payara Platform 6. More details on these releases may be found in the release notes for Community Edition 6.2025.3 and Enterprise Edition 6.24.0 and Enterprise Edition 5.73.0.

Apache Software Foundation

The release of Apache Kafka 4.0.0 delivers bug fixes, many improvements and new features such as: client support for subscribing with the new SubscriptionPattern class; and the ability for developers to rebootstrap clients based on timeout or error code. Further details on this release may be found in the release notes.

Hibernate

The fifth beta release of Hibernate ORM 7.0.0 features: a migration to the Jakarta Persistence 3.2 specification, the latest version targeted for Jakarta EE 11; a baseline of JDK 17; improved domain model validations; and a migration from Hibernate Commons Annotations (HCANN) to the new Hibernate Models project for low-level processing of an application domain model. More details on this release may be found in the release notes and the migration guide.

The second alpha release of Hibernate Search 8.0.0 ships with: fixes discovered in the Alpha1 release; an alignment with Hibernate ORM 7.0.0.Beta4 that implements the Jakarta Persistence 3.2 specification; and dependency upgrades to Lucene 10.1.0, OpenSearch 2.19 and Elasticsearch Client 8.17.3. Further details on this release may be found in the release notes.

Kotlin

The release of Kotlin 2.1.20 provides new features such as: a new K2 compiler kapt plugin that is enabled by default for all the projects; and an experimental DSL that replaces the Gradle Application plugin that is no longer compatible with the Kotlin Multiplatform Gradle plugin. More details on this release may be found in the release notes.

RefactorFirst

Jim Bethancourt, principal software consultant at Improving, an IT services firm offering training, consulting, recruiting, and project services, has released version 0.7.0 of RefactorFirst, a utility that prioritizes the parts of an application that should be refactored. This release delivers: improved rendering of class maps and cycles using the 3D Force-Directed Graph; and limiting the cycle analysis to 10 cycles that will be parameterized in the future. Further details on this release may be found in the release notes.

JavaOne 2025

JavaOne 2025 was held on March 18-20, 2025, at the Oracle Conference Center in Redwood Shores, California. This three-day event consisting of keynotes, presentations and hands-on labs, is organized by Oracle and the developer relations team. The session catalog provides all of the details. Details on Day One of JavaOne, in conjunction with the formal release of JDK 24, may be found in this InfoQ news story. InfoQ will follow-up with additional news stories.

There was a flurry of activity in the Spring ecosystem during the week of March 17th, 2025, highlighting milestone releases of: Spring Boot, Spring Security, Spring Authorization Server, Spring for GraphQL, Spring Integration, Spring AMQP, Spring for Apache Kafka and Spring Web Services.

Spring Boot

The third milestone release of Spring Boot 3.5.0 delivers bug fixes, improvements in documentation, dependency upgrades and many new features such as: a new LLdapDockerComposeConnectionDetailsFactory class that adds ServiceConnection support for Light LDAP Implementation for Authentication; improved support for OpenTelemetry by correctly using the service.namespace service attribute; and improved support for Spring Batch with enhancements and new properties. More details on this release may be found in the release notes.

Similarly, the release of Spring Boot 3.4.4 and 3.3.10 (announced here and here, respectively) provides bug fixes, improvements in documentation, dependency upgrades and an important change where support for the Apache Portable Runtime (APR) for Tomcat is now disabled by default with applications running on JDK 24 and above to prevent the JDK from issuing warnings. Further details on these releases may be found in the release notes for version 3.4.4 and version 3.3.10.

Spring Framework

The release of Spring Framework 6.2.5 provides bug fixes, improvements in documentation, one dependency upgrade and new features such as: the comment() method, defined in the ServerResponse.SseBuilder interface, now allows an empty comment; and an instance of the FormHttpMessageConverter class should throw HttpMessageNotReadableException when the HTTP form data is invalid because it is a more specific exception that will allow developers to better target and react to invalid request payloads. More details on this release may be found in the release notes.

Spring Cloud

The release of Spring Cloud 2024.0.1, codenamed Mooregate, features bug fixes and notable updates to sub-projects: Spring Cloud Kubernetes 3.2.1; Spring Cloud Function 4.2.2; Spring Cloud OpenFeign 4.2.1; Spring Cloud Stream 4.2.1; and Spring Cloud Gateway 4.2.1. This release is based upon Spring Boot 3.4.3. Further details on this release may be found in the release notes.

Spring Security

The third milestone release of Spring Security 6.5.0 delivers bug fixes, dependency upgrades and new features such as: support for RFC 9068, JSON Web Token (JWT) Profile for OAuth 2.0 Access Tokens; deprecation of the ConfigAttribute interface as modern Spring Security APIs no longer share a common interface to represent configuration values; and support for automatic context-propagation with Micrometer. More details on this release may be found in the release notes.

Spring Authorization Server

The second milestone release of Spring Authorization Server 1.5.0 ships with bug fixes, dependency upgrades and new features such as: improvements to the JdbcOAuth2AuthorizationService class that define and use constants for the SQL parameter mapping values; and support for RFC 9126, OAuth 2.0 Pushed Authorization Requests. Further details on this release may be found in the release notes.

Spring for GraphQL

The first milestone release of Spring for GraphQL 1.4.0 provides dependency upgrades and new features such as: an alignment with the GraphQL over HTTP draft specification; and improved Federation support by upgrading to Apollo GraphQL Federation 5.3.0. More details on this release may be found in the release notes.

Spring Integration

The third milestone release of Spring Integration 6.5.0 delivers bug fixes, improvements in documentation, dependency upgrades and new features such as: enabling the LastModifiedFileListFilters class to discard files that have aged out; and removal of the deprecated getSendTimeout() and setSendTimeout() methods, previously defined in the PollerMetadata class. Further details on this release may be found in the release notes.

Spring Modulith

The third milestone release of Spring Modulith 1.4.0 delivers bug fixes, dependency upgrades and new features such as: integration tests using the @ApplicationModuleTest annotation may now consume bean instances of classes declared in test sources; and registration of the AssertablePublishedEvents interface in tests using the Spring Framework ApplicationContext interface if AssertJ is on the classpath. More details on this release may be found in the release notes.

Similarly, the release of Spring Modulith 1.3.4 and 1.2.10 provide dependency upgrades and a resolution to a severe performance regression in JavaPackage class when testing an instance of the Documenter class. Further details on these releases may be found in the release notes for version 1.3.4 and version 1.2.10.

Spring Batch

The release of Spring Batch 5.2.2 provides bug fixes, improvements in documentation, dependency upgrades and improvements such as: the addition of AOT hints in infrastructure artifacts and core listeners that were previously missing; and an improved ChunkProcessor interface as it is now annotated with the Java @FunctionalInterface. More details on this release may be found in the release notes.

Spring AMQP

The second milestone release of Spring AMQP 4.0.0 delivers bug fixes, dependency upgrades and new features such as: support for the AMQP 1.0 protocol on RabbitMQ with a new spring-rabbitmq-client module; and support for RPC in the new RabbitAmqpTemplate class. Further details on this release may be found in the release notes.

Spring for Apache Kafka

The first milestone release of Spring for Apache Kafka 4.0.0 delivers bug fixes, improvements in documentation, dependency upgrades and new features such as: a migration of all the former org.springframework.lang nullability annotations to the JSpecify-based null safety improvements; and improved performance of the acknowledge(int index) method and an override of the createRecordList() methods, defined in the KafkaMessageListenerContainer class. This version is compatible with Spring Framework 7.0.0-M3. More details on this release may be found in the release notes.

Spring for Apache Pulsar

The release of Spring for Apache Pulsar 1.2.4 and 1.1.10 provides notable respective dependency upgrades to: Spring Framework 6.2.4 and 6.1.18; Project Reactor 2024.0.4 and 2023.0.16; and Micrometer 1.14.5 and 1.13.12. These releases are included in Spring Boot 3.4.4 and 3.3.10, respectively. Further details on these releases may be found in the release notes for version 1.2.4 and version 1.1.10.

Spring Web Services

The first milestone release of Spring Web Services 4.1.0 delivers bug fixes, dependency upgrades and new features such as: a reinstatement of support for Apache Axiom as the recent release of Axiom 2.0.0 now supports Jakarta EE; and the deprecation of the WsConfigurerAdapter class as it is no longer needed due to the introduction of default methods. More details on this release may be found in the release notes.

This week’s Java roundup for March 3rd, 2025, features news highlighting: milestone releases of Spring Cloud 2025.0.0, GlassFish 8.0.0 and Grails 7.0.0; point releases of Spring gRPC 0.4.0, Helidon 4.2.0, Quarkus 3.19.2 and JHipster 1.29.1 and 1.29.0; the fourth release candidate of Netty 4.2.0; and Devnexus 2025.

JDK 24

Build 36 remains the current build in the JDK 24 early-access builds. Further details may be found in the release notes.

JDK 25

Build 13 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 12 that include fixes for various issues. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

GlassFish

The tenth milestone release of GlassFish 8.0.0 delivers bug fixes, dependency upgrades and new features such as: various updates to support the upcoming release of JDK 24; disable the deprecated TLS 1.0 and TLS 1.1 specifications by default; and a migration away from deprecated WeldListener class in favor of the WeldInitialListener class. Further details on this release may be found in the release notes.

Spring Framework

The second milestone release of Spring Cloud 2025.0.0, codenamed Northfields, features bug fixes and notable updates to sub-projects: Spring Cloud Kubernetes 3.3.0-M2; Spring Cloud Function 4.3.0-M2; Spring Cloud Stream 4.3.0-M2; and Spring Cloud Circuit Breaker 3.3.0-M2. This release is based upon Spring Boot 3.5.0-M2. More details on this release may be found in the release notes.

The release of Spring gRPC 0.4.0 provides bug fixes, improvements in documentation, dependency upgrades and new features such as: a new ChannelBuilderOptions class used for customizers, graceful channel shutdowns and interceptors that was added to the GrpcChannelFactory and GrpcChannelBuilderCustomizer interfaces; and a rename of the GrpcChannelConfigurer interface to GrpcChannelBuilderCustomizer to “more accurately represent its purpose and for consistency with the server-side terminology.” Further details on this release may be found in the release notes.

Helidon

The release of Helidon 4.2.0 delivers bug fixes, improvements in documentation, dependency upgrades and new preview features:

• Helidon Service Inject, an extension to the core service registry that adds concepts of injection into a constructor, instances of scoped service instances, and an intercept method invocation. This change removes the original Helidon Inject, i.e., modules under the inject/ endpoint, and replaces all usages with the service registry.
• A LangChain4j integration with the service registry and an OpenAI provider and Oracle embedding store provider.
• Support for Coordinated Restore at Checkpoint (CRaC).

More details on this release may be found in the changelog.

Quarkus

Quarkus 3.19.2, the first maintenance release (version 3.19.0 was skipped), ships with bug fixes, dependency upgrades and new features such as: a much improved Quarkus update utility for stability and aesthetics; and improved interoperability between an instance of the QuarkusUnitTest class and the JUnit @TestFactory annotation. Further details on this release may be found in the changelog.

Netty

The fourth release candidate of Netty 4.2.0 provides bug fixes, dependency upgrades and new features such as: support for a new property, IORING_SETUP_CQSIZE, that allows a larger completion queue (CQ) ring without changing the size of the submission queue (SQ) ring; and a requirement that an instance of the ThreadExecutorMap class must restore old instance of the EventExecutor interface to eliminate losing the current EventExecutor. More details on this release may be found in the issue tracker.

Grails

The third milestone release of Grails 7.0.0 delivers bug fixes, dependency upgrades and new features such as: an updated ContainerGebSpec class to support cross-platform file input and inclusion of the Geb ScreenshotReporter by default; and a consolidation of various projects and profiles to reduce the time to publish a release. With the transition of Grails to the Apache Foundation, the next milestone is planned to be released as Apache Grails 7.0.0-M4. Further details on this release may be found in the release notes.

JHipster

The release of JHipster Lite 1.29.1 and 1.29.0 features an upgrade to Axios 1.8.2 that resolves a critical security issue as described in CVE-2025-27152, a vulnerability in Axios, up to and including version 1.8.1, where passing absolute URLs, rather than protocol-relative URLs, to Axios even if the baseURL property is defined. The request to the specified absolute URL is sent with the potential to cause a server-side request forgery (SSRF) and a leakage of credentials. More details on these releases may be found in the release notes for version 1.29.1 and version 1.29.0.

Devnexus 2025

The 21st edition of Devnexus 2025, held at the Georgia World Congress Center in Atlanta, Georgia, this past week, featured speakers from the Java community who delivered workshops and talks on topics such as: Jakarta EE, Java Platform, Core Java, Architecture, Cloud Infrastructure and Security.

Hosted by the Atlanta Java Users Group (AJUG), Devnexus has a rich history that dates back to 2004 when the conference was originally called DevCon. The Devnexus name was introduced in 2010.

The conference also featured on-site live interviews with speakers interested in participating. Entitled Unfiltered Developer Insights and Everyday Heroes, these interviews were facilitated by employees representing Neo4j and HeroDevs, respectively. Also, a new episode of OffHeap was recorded featuring Erin Schnabel, Ivar Grimstad and Bob Paulin.

This week’s Java roundup for February 17th, 2025, features news highlighting: the release of Apache NetBeans 25; the February 2025 release of the Payara Platform; the second beta release of Hibernate Reactive 3.0; and the second release candidate of Gradle 8.13.

JDK 24

Build 36 remains the current build in the JDK 24 early-access builds. Further details may be found in the release notes.

JDK 25

Build 11 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 10 that include fixes for various issues. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

Spring Framework

It was a busy week over at Spring as the various teams have delivered milestone releases of Spring Boot, Spring Security, Spring Authorization Server, Spring Integration, Spring AI and Spring AMQP. There were also point releases of Spring Framework, Spring for GraphQL,Spring Session, Spring for Apache Kafka and Spring for Apache Pulsar. Further details may be found in this InfoQ news story.

Payara

Payara has released their February 2025 edition of the Payara Platform that includes Community Edition 6.2025.2, Enterprise Edition 6.23.0 and Enterprise Edition 5.72.0. All three releases provide critical bug fixes, component upgrades and a new feature that ensures Docker images shutdown gracefully to allow applications to cleanly terminate without data loss or corruption.

A notable critical issue was an IllegalStateException due to Spring Boot 3 applications failing to deploy to Payara Server 6. This was resolved by ensuring proper initialization of Contexts and Dependency Injection (CDI) during deployment. More details on these releases may be found in the release notes for Community Edition 6.2025.2 and Enterprise Edition 6.23.0 and Enterprise Edition 5.72.0.

Apache Software Foundation

The release of Apache NetBeans 25 delivers many improvements that include: enhancements in support for Java code completion for sealed types in switch statements; improved behaviour with the CloneableEditorSupport class such that it will no longer break additional instances of the Java DocumentFilter class which may be attached to an instance of the Java AbstractDocument class. Further details on this release may be found in the release notes.

The release of Apache Tomcat 9.0.100 provides a resolution to a regression with the release of Tomcat 9.0.99 that caused an error while starting Tomcat on JDK 17. The regression was a mitigation for CVE-2024-56337, a Time-of-Check-Time-of-Use vulnerability in which a write-enabled default servlet for a case insensitive file system can bypass Tomcat’s case sensitivity checks and cause an uploaded file to be treated as a JSP leading to a remote code execution. More details on this release may be found in the release notes.

Hibernate

The second beta release of Hibernate Reactive 3.0.0 ships with resolutions to notable issue such as: a ClassCastException from an instance of the ReactiveEmbeddableForeignKeyResultImpl class due to use of the Hibernate ORM EmbeddableInitializerImpl class instead of its reactive version, namely the ReactiveEmbeddableInitializerImpl class; and a NullPointerException when retrieving an entity using a Jakarta Persistence @ManyToOne composite table with additional properties in the Jakarta Persistence @IdClass annotation. This release is compatible with Hibernate ORM 7.0.0.Beta4, and an upgrade to Vert.x SQL client 4.5.13. Further details on this release may be found in the changelog.

JobRunr

The release of JobRunr 7.4.1 ships with bug fixes and new features such as: the ability to switch between different date styles in job table views, e.g., the timestamp when an instance of the Job class was enqueued; and an enhanced display for more complex job parameters on the job details page. More details on this release may be found in the release notes.

Gradle

The second release candidate of Gradle 8.13.0 introduces a new auto-provisioning utility that automatically downloads a JVM required by the Gradle Daemon. Other notable enhancements include: an explicit Scala version configuration for the Scala Plugin to automatically resolve required Scala toolchain dependencies; and refined millisecond precision in JUnit XML test event timestamps. Further details on this release may be found in the release notes.

This week’s Java roundup for February 10th, 2025 features news highlighting: the first release candidate of JDK 24; JDK Mission Control 9.1.0; milestone releases of Spring Framework 7.0, Spring Data 2025.0.0 and Hibernate 7.0; release candidates of Vert.x 5.0.0 and Gradle 8.13.0; and JHipster 8.9.0.

OpenJDK

The release of JDK Mission Control 9.1.0 provides bug fixes and improvements such as: the ability to use the custom JFR event types, i.e., those extending the Java Event class, in the JFR Writer API followed by registering those types; and the ability to use primitive types in converters. More details on this release may be found in the list of issues.

JDK 24

Build 36 remains the current build in the JDK 24 early-access builds. Further details may be found in the release notes.

As per the JDK 24 release schedule, Mark Reinhold, Chief Architect, Java Platform Group at Oracle, formally declared that JDK 24 has entered its first release candidate as there are no unresolved P1 bugs in Build 36. The anticipated GA release is scheduled for March 18, 2025 and will include a final set of 24 features. More details on these features and predictions for JDK 25 may be found in this InfoQ news story.

JDK 25

Build 10 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 9 that include fixes for various issues. Further details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

Spring Framework

The second milestone release of Spring Framework 7.0.0 delivers new features such as: improvements to the equals() method, defined in the AnnotatedMethod class, and the HandlerMethod to resolve failed Cross-Origin Resource Sharing (CORS) configuration lookups; and a refinement of the GenericApplicationContext class that adds nullability using the JSpecify @Nullable annotation to the constructorArgs parameter listed in the overloaded registerBean() method. More details on this release may be found in the release notes.

Similarly, versions 6.2.3 and 6.1.17 of Spring Framework have also been released to provide new features such as: improvements in MVC XML configuration that resolved an issue where the handler mapping, using an instance of the the AntPathMatcher class, instead used an instance of the PathPatternParser class; and a change to the ProblemDetails class to implement the Java Serializable interface so that it may be used in distributed environments. These versions will be included in the upcoming releases of Spring Boot 3.4.3 (and 3.5.0-M2) and 3.3.9, respectively. Further details on this release may be found in the release notes for version 6.2.3 and version 6.1.17.

The first milestone release of Spring Data 2025.0.0 ships with new features such as: support for vector search for MongoDB and Cassandra via MongoDB Atlas and Cassandra Vector Search; and a new Vector data type that allows for abstracting underlying values within a domain model that simplifies the declaration, portability and default storage options. More details on this release may be found in the release notes.

Similarly, Spring Data 2024.1.3 and 2024.0.9, both service releases, ship with bug fixes, dependency upgrades and and respective dependency upgrades to sub-projects such as: Spring Data Commons 3.4.3 and 3.3.9; Spring Data MongoDB 4.4.3 and 4.3.9; Spring Data Elasticsearch 5.4.3 and 5.3.9; and Spring Data Neo4j 7.4.3 and 7.3.9. These versions will be included in the upcoming releases of Spring Boot and 3.4.3 and 3.3.9, respectively.

The release of Spring Tools 4.28.1 provides: a properly signed Eclipse Foundation distribution for WindowOS; and a resolution to an unknown publisher error upon opening the executable for Spring Tool Suite in Windows 11. Further details on this release may be found in the release notes.

Open Liberty

IBM has released version 25.0.0.2-beta of Open Liberty features the ability to configure the MicroProfile Telemetry 2.0 feature, mpTelemetry-2.0, to send Liberty audit logs to the OpenTelemetry collector. As a result, the audit logs may be managed with the same solutions with other Liberty log sources.

Micronaut

The Micronaut Foundation has released version 4.7.6 of the Micronaut Framework featuring Micronaut Core 4.7.14, bug fixes and a patch update to the Micronaut Oracle Cloud module. This version also provides an upgrade to Netty 4.1.118, a patch release that addresses CVE-2025-24970, a vulnerability in Netty versions 4.1.91.Final through 4.1.117.Final, where a specially crafted packet, received via an instance of the SslHandler class, doesn’t correctly handle validation of such a packet, in all cases, which can lead to a native crash. More details on this release may be found in the release notes.

Hibernate

The fourth beta release of Hibernate ORM 7.0.0 features: a migration to the Jakarta Persistence 3.2 specification, the latest version targeted for Jakarta EE 11; a baseline of JDK 17; improved domain model validations; and a migration from Hibernate Commons Annotations (HCANN) to the new Hibernate Models project for low-level processing of an application domain model. Further details on this release may be found in the release notes and the migration guide.

The release of Hibernate Reactive 2.4.5.Final features compatibility with Hibernate ORM 6.6.7.Final and provides resolutions to issues: a Hibernate ORM PropertyAccessException when creating a new object via the persist() method, defined in the Session interface, with an entity having bidirectional one-to-one relationships in Hibernate Reactive with Panache; and the doReactiveUpdate() method, defined in the ReactiveUpdateRowsCoordinatorOneToMany class, ignoring the return value of the deleteRows() method, defined in the same class. More details on this release may be found in the release notes.

Eclipse Vert.x

The fifth release candidate of Eclipse Vert.x 5.0 delivers notable changes such as: the removal of deprecated classes – ServiceAuthInterceptor and ProxyHelper – along with the two of the overloaded addInterceptor() methods defined in the ServiceBinder class; and support for the Java Platform Module System (JPMS). Further details on this release may be found in the release notes and deprecations and breaking changes.

Micrometer

The second milestone release of Micrometer Metrics 1.15.0 delivers bug fixes, improvements in documentation, dependency upgrades and new features such as: the removal of special handling of HTTP status codes 404, Not Found, and 301, Moved Permanently, from OkHttp client instrumentation; and a deprecation of the SignalFxMeterRegistry class (step meter) in favor of the OtlpMeterRegistry class (push meter). More details on these releases may be found in the release notes.

The second milestone release of Micrometer Tracing 1.5.0 provides dependency upgrades and features a deprecation of the ArrayListSpanProcessor class in favor of the Open Telemetry InMemorySpanExporter class. Further details on this release may be found in the release notes.

Piranha Cloud

The release of Piranha 25.2.0 delivers many dependency upgrades, improvements in documentation and notable changes such as: removal of the GlassFish 7.x and Tomcat 10.x compatibility extensions; and the ability to establish a file upload size in the FileUploadExtension, FileUploadMultiPart, FileUploadMultiPartInitializer and FileUploadMultiPartManager classes. More details on this release may be found in the release notes, documentation and issue tracker.

Project Reactor

Project Reactor 2024.0.3, the third maintenance release, providing dependency upgrades to reactor-core 3.7.3, reactor-netty 1.2.3, reactor-pool 1.1.2. There was also a realignment to version 2024.0.3 with the reactor-addons 3.5.2, reactor-kotlin-extensions 1.2.3 and reactor-kafka 1.3.23 artifacts that remain unchanged. Further details on this release may be found in the changelog.

Similarly, Project Reactor 2023.0.15, the fifteenth maintenance release, provides dependency upgrades to reactor-core 3.6.14, reactor-netty 1.1.27 and reactor-pool 1.0.10. There was also a realignment to version 2023.0.15 with the reactor-addons 3.5.2, reactor-kotlin-extensions 1.2.3 and reactor-kafka 1.3.23 artifacts that remain unchanged. More details on this release may be found in the changelog.

JHipster

The release of JHipster 8.9.0 features: dependency upgrades to Spring Boot 3.4.2, Node 22.13.1, Gradle 8.12.1, Angular 19.0.6 and Typescript 5.7.3; and support for plain time fields (Java LocalTime class) without it being tied to a date to the JHipster Domain Language (JDL). Further details on this release may be found in the release notes.

Gradle

The first release candidate of Gradle 8.13.0 introduces a new auto-provisioning utility that automatically downloads a JVM required by the Gradle Daemon. Other notable enhancements include: an explicit Scala version configuration for the Scala Plugin to automatically resolve required Scala toolchain dependencies; and refined millisecond precision in JUnit XML test event timestamps. More details on this release may be found in the release notes.

This week’s Java roundup for January 27th, 2025, features news highlighting: the GA release of Java Operator SDK 5.0; the January 2025 release of Open Liberty; an implementation of Model Context Protocol in Quarkus; the fourth milestone release of Vert.x 5.0; and point releases of JBang 0.123.0 and TornadoVM 1.0.10.

JDK 24

Build 34 of the JDK 24 early-access builds was made available this past week featuring updates from Build 33 that include fixes for various issues. Further details on this release may be found in the release notes.

JDK 25

Build 8 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 7 that include fixes for various issues. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

TornadoVM

TornadoVM 1.0.10 features bug fixes, compatibility enhancements, and improvements: a new command-line option, -Dtornado.spirv.runtimes, to select individual (Level Zero and/or OpenCL) runtimes for dispatching and managing SPIR-V; and support for multiplication of matrices using the HalfFloat type. Further details on this release may be found in the release notes.

Spring Framework

The first milestone release of Spring Cloud 2025.0.0, codenamed Northfields, features bug fixes and notable updates to sub-projects: Spring Cloud Kubernetes 3.3.0-M1; Spring Cloud Function 4.3.0-M1; Spring Cloud Stream 4.3.0-M1; and Spring Cloud Circuit Breaker 3.3.0-M1. This release is based upon Spring Boot 3.5.0-M1. More details on this release may be found in the release notes.

Open Liberty

IBM has released version 25.0.0.1 of Open Liberty featuring updated Open Liberty features – Batch API (batch-1.0), Jakarta Batch 2.0 (batch-2.0), Jakarta Batch 2.1 (batch-2.1), Java Connector Architecture Security Inflow 1.0 (jcaInboundSecurity-1.0), Jakarta Connectors Inbound Security 2.0 (connectorsInboundSecurity-2.0) – to support InstantOn; and a more simplified web module migration with the introduction of the webModuleClassPathLoader configuration attribute for the enterpriseApplication element that controls what class loader is used for the JARs that are referenced by a web module Class-Path attribute.

Quarkus

The release of Quarkus 3.18.0 provides bug fixes, dependency upgrades and notable changes such as: an integration of Micrometer to the WebSockets Next extension; support for a JWT bearer client authentication in the OpenID Connect and OpenID Connect Client extensions using client assertions loaded from the filesystem; and a new extension, OpenID Connect Redis Token State Manager to store an OIDC connect token state in a Redis cache datasource. Further details on this release may be found in the changelog.

The Quarkus team has also introduced their own implementation of the Model Context Protocol (MCP) protocol featuring three servers so far: JDBC, Filesystem and JavaFX. These servers have been tested with Claude for Desktop, Model Context Protocol CLI and Goose clients. The team recommends using JBang to use these servers for ease of use, but isn’t required.

Apache Software Foundation

Maintaining alignment with Quarkus, the release of Camel Quarkus 3.18.0, composed of Camel 4.9.0 and Quarkus 3.18.0, provides resolutions to notable issues such as: the Kamelet extension unable to serialize objects from an instance of the ClasspathResolver, an inner class defined in the DefaultResourceResolvers, to bytecode; and the Debezium BOM adversely affects the unit tests from the Cassandra CQL extension driver since the release of Debezium 1.19.2.Final. More details on this release may be found in the release notes.

Infinispan

The release of Infinispan 15.1.5 features dependency upgrades and resolutions to issues such as: a NullPointerException due to a concurrent removal with the DELETE statement causing the cache::removeAsync statement to return null; and an instance of the HotRodUpgradeContainerSSLTest class crashes the test suite due to an instance of the PersistenceManagerImpl class failing to start. Further details on this release may be found in the release notes.

Java Operator SDK

The release of Java Operator SDK 5.0.0 ships with continuous improvements on new features such as: the Kubernetes Server-Side Apply elevated to a first-class citizen with a default approach for patching the status resource; and a change in responsibility with the EventSource interface to monitor the resources and handles accessing the cached resources, filtering, and additional capabilities that was once maintained by the ResourceEventSource subinterface. More details on this release may be found in the release notes.

JBang

JBang 0.123.0 provides bug fixes, improvements in documentation and new features: the options, such as add-open and exports, in a bundled MANIFEST.MF file are now honored; and the addition of Cursor, the AI code editor, in the list of supported IDEs. Further details on this release may be found in the release notes.

Eclipse Vert.x

The fourth release candidate of Eclipse Vert.x 5.0 delivers notable changes such as: the removal of deprecated classes – ServiceAuthInterceptor and ProxyHelper – along with the two of the overloaded addInterceptor() methods defined in the ServiceBinder class; and support for the Java Platform Module System (JPMS). More details on this release may be found in the release notes and deprecations and breaking changes.

JHipster

Versions 1.26.0 and 1.25.0 of JHipster Lite (announced here and here, respectively) ship with bug fixes, dependency upgrades and new features/enhancements such as: new datasource modules for PostgreSQL, MariaDB, MySQL and MSSQL; and a restructured state ranking system for modules. Version 1.26.0 also represents the 100th release of JHipster Lite. Further details on these releases may be found in the release notes for version 1.26.0 and version 1.25.0.

There was a flurry of activity in the Spring ecosystem during the week of January 20th, 2025, highlighting milestone releases of: Spring Boot, Spring Framework, Spring Data, Spring Security, Spring Integration and Spring Modulith.

The Spring team has also announced that they will begin releasing milestones and release candidates of Spring projects, with GA releases planned for November 2025, to Maven Central.

Spring Boot

The first milestone release of Spring Boot 3.5.0 delivers bug fixes, improvements in documentation, dependency upgrades and new features such as: support for the Spring Framework TaskDecorator interface for scheduled tasks; and support for the Vibur DBCP connection pool to the DataSourceBuilder class. More details on this release may be found in the release notes.

Versions 3.4.2 and 3.3.8 of Spring Boot (announced here and here, respectively) ship with improvements in documentation, dependency upgrades and resolutions to notable issues such as: a NullPointerException from an instance of the GraylogExtendedLogFormatProperties class when only the logging.structured.gelf.host property is specified; and the addition of handling the TypeNotPresentException from the BindableRuntimeHintsRegistrar class. Further details on these releases may be found in the release notes for version 3.4.2 and version 3.3.8.

Spring Framework

The first milestone release of Spring Framework 7.0.0 ships with improvements in documentation, dependency upgrades and new features such as: a redefinition and optimization of the KotlinDetector class that includes removal of methods that are no longer useful; and allow for multiple executions of the ClientHttpRequestInterceptor interface. This release also provides an initial null safety strategy with JSpecify by refining over a dozen modules and retiring the annotations defined in the org.springframework.lang package. More details on this release may be found in the release notes.

Spring Data

The first milestone release of Spring Data 2025.1.0 features: baseline minimal requirements to the upcoming GA releases of Jakarta EE 11 (featuring Hibernate ORM 7.0 and Hibernate Validator 9.0 as compatible implementations) and Kotlin 2.x; and a major revision of Spring Data JPA that includes the use of the Java Persistence Query Language (JPQL) for derived queries. The Spring data team anticipates a GA release in November 2025. Further details on this release may be found in the release notes.

Spring Security

The first milestone release of Spring Security 6.5.0 provides bug fixes, dependency upgrades and new features such as: Support for Expression Templates by adding the @AuthenticationPrincipal and @CurrentSecurityContext annotations; and the addition of an inner class, ClientSettings, defined in the ClientRegistration class, that provides a boolean field, requireProofKey, for use in enabling Proof Key for Code Exchange (PKCE). More details on this release may be found in the release notes.

Spring Integration

The first milestone release of Spring Integration 6.5.0 delivers one bug fix, dependency upgrades and new features such as: the addition of a locking strategy to the AbstractMessageGroupStore class; and an optional flag added to the discardChannel element, defined in the @Aggregator annotation, to discard a whole group a messages instead of individual ones. Further details on this release may be found in the release notes and what’s new page.

Spring Modulith

The first milestone release of Spring Modulith 1.4.0 delivers bug fixes, dependency upgrades and new features such as: a new DefaultModulithObservationConvention class to support the Micrometer Observation API; and a new strategy to programmatically detect instances of the NamedInterface class. More details on this release may be found in the release notes.

Versions 1.3.2 and 1.2.8 of Spring Modulith have also been released featuring dependency upgrades to Spring Boot 3.4.2 and 3.3.8, respectively and resolutions to issues: a BeanCreationException due to an error in creating bean with the name, repositoryEntityController, from an instance of the RepositoryEntityController class; and an IllegalArgumentException in generation of AsciiDoc for the Spring Framework @EventListener annotation without parameters. Further details on these releases may be found in the release notes for version 1.3.2 and version 1.2.8.

Spring AI

The Spring AI MCP team has released version 0.6.0 to provide new features such as: a new protocol version negotiation between MCP client and server; and configurable SSE endpoints that includes backward compatibility with default /sse endpoint. Deprecations in this release include: the using(ClientMcpTransport) method, defined in the McpClient interface, in favor of methods, sync(ClientMcpTransport) and async(ClientMcpTransport); the Builder inner class, also defined in the McpClient interface, in favor of new builder patterns; and the constructor with non-reactive types, defined in the McpAsyncClient class. More details on this release may be found in the release notes.

Spring AMQP

The release of Spring AMQP 3.2.2 provides two bug fixes, dependency upgrades and one new feature that resolves a deprecation warning in the RestTemplateNodeLocator class by removing what the team characterized as a “bogus” non-public RestTemplateHolder class that was accidentally exposed by the public RestTemplateNodeLocator. The logic for this class was also restructured to directly expose an instance of the Spring Framework RestTemplate class. Further details on this release may be found in the release notes.

Spring for Apache Kafka

The release of Spring for Apache Kafka 3.3.2 provides improvements in documentation, dependency upgrades and resolutions to issues such as: a memory leak from the metric, spring.kafka.listener.active, due to an increasing number of active tasks from instances of the Micrometer DefaultLongTaskTimer class on a Kafka observation, that are never garbage collected; and exceptions due to the observation scope from an instance of the KafkaMessageListenerContainer class not being closed in the catch clause of an exception handler.

The team has announced that development of Apache Kafka 4.0.0 will soon be underway. It will be built upon upcoming releases of Kafka Client 4.0.0 and Spring Framework 7.0.0, and be compatible with Spring Boot 4.0.0. More details on this release may be found in the release notes.

Spring for Apache Pulsar

Versions 1.2.2 and 1.1.8 of Spring for Apache Pulsar have been released featuring improvements in documentation, dependency upgrades and resolution to a PulsarBatchListenerFailedException when a listener consumes the same message after it is sent to the Dead Letter Topic (DLT) topic. These versions are included in Spring Boot 3.4.2 and 3.3.8, respectively. Further details on these releases may be found in the release notes for version 1.2.2 and version 1.1.8.

This week’s Java roundup for January 13th, 2025, features news highlighting: JDK 24 in Rampdown Phase Two; Spring Framework 6.2.2; JobRunr 7.4.0; Micrometer Metrics 1.15.0-M1 and Micrometer Tracing 1.5.0-M1; and Infinispan joins the Commonhaus Foundation.

JDK 24

Build 32 of the JDK 24 early-access builds was made available this past week featuring updates from Build 31 that include fixes for various issues. Further details on this release may be found in the release notes.

As per the JDK 24 release schedule, Mark Reinhold, chief architect, Java Platform Group at Oracle, formally declared that JDK 24 has entered Rampdown Phase Two. This means that: no additional JEPs will be added for JDK 24; and there will be a focus on the P1 and P2 bugs which can be fixed via the Fix-Request Process. Late enhancements are still possible, with the Late-Enhancement Request Process, but Reinhold states that “the bar is now extraordinarily high.” The final set of 24 features for the GA release in March 2025 will include:

JDK 25

Build 6 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 5 that include fixes for various issues. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

Jakarta EE

In his weekly Hashtag Jakarta EE blog, Ivar Grimstad, Jakarta EE developer advocate at the Eclipse Foundation, provided an update on Jakarta EE 11, writing:

The latest news about the refactoring of the TCK for Jakarta EE 11 is that the team is getting closer to releasing Jakarta EE Web Profile 11. There are just a small number of tests remaining to be refactored, and the rewriting of the TCK User Guide has started.

The discussions around Jakarta EE 12 are gaining momentum. Check out the EE12 labeled issues in the Jakarta EE Platform GitHub Issue Tracker. Feel free to add new issues or contribute to the discussions of those already created.

You can also join the Jakarta EE Future Directions interest group and participate in high-level discussions about how the platform should evolve. If you’re not able to join the bi-weekly calls (calendar), you can always join the mailing list and participate there as well.

The road to Jakarta EE 11 included four milestone releases, the release of Core Profile in December 2024, and the potential for release candidates as necessary before the GA releases of the Platform and Web Profile in 1Q2025.

Spring Framework

The release of Spring Framework 6.2.2 delivers bug fixes, improvements in documentation, dependency upgrades and new features such as: a change to the BeanOverrideHandler class to track only qualifier annotations to align with the Spring Boot QualifierDefinition class; and elevate the @MockitoBean annotation to support both fields and types to align with the now-deprecated Spring Boot @MockBean annotation. This version will be included in the upcoming releases of Spring Boot 3.4.2 and 3.5.0-M1. More details on this release may be found in the release notes.

Spring Data 2024.1.2 and 2024.0.8, both service releases, ship with bug fixes, dependency upgrades and and respective dependency upgrades to sub-projects such as: Spring Data Commons 3.4.2 and 3.3.8; Spring Data MongoDB 4.4.2 and 4.3.8; Spring Data Elasticsearch 5.4.2 and 5.3.8; and Spring Data Neo4j 7.4.2 and 7.3.8. These versions will be included in the upcoming releases of Spring Boot and 3.4.2 and 3.3.8.

The Spring AI MCP team has released version 0.5.0 to provide new features such as: enhancements to the transport layer with a new HttpServletSseServerTransport class and a blocking queue-based implementation of the Spring Framework SseEmitter.SseEventBuilder interface; and a new Bill of Materials. More details on this release may be found in the release notes.

Quarkus

Quarkus 3.17.7, the sixth maintenance release (3.17.1 was skipped due to a regression), features notable changes such as: a resolution to an issue when a method is annotated with @PermissionsAllowed with multiple values, the parameters in the @PermissionChecker annotation is not correctly matched; and a switch to execute the MongoDB Connection Health Check on startup instead of when the application tries to store the first record in the database. More details on this release may be found in the changelog.

Micrometer

The first milestone release of Micrometer Metrics 1.15.0 provides bug fixes, improvements in documentation, dependency upgrades and new features such as: use of the failWithActualExpectedAndMessage(), defined in the AssertJ AbstractAssert class, where possible; and a consistent use of the Java String methods, toLowerCase() and toUpperCase(), with the Java Locale.ROOT for improved security. Further details on these releases may be found in the release notes.

Similarly, versions 1.14.3 and 1.13.10 of Micrometer Metrics ship with dependency upgrades and resolutions to notable issues such as: a NullPointerException when applying aspects on methods that return a CompletableFuture; and a performance regression from the remove() method, defined in the MeterRegistry class, with a significant amount of registered meters. More details on these releases may be found in the release notes for version 1.14.3 and version 1.13.10.

The first milestone release of Micrometer Tracing 1.5.0 delivers bug fixes, dependency upgrades and new features: avoid creating superfluous copies of instances of the OtelSpan class; and the addition of local service name setting and retrieving for FinishedSpan to complement the remote service name. More details on this release may be found in the release notes.

Similarly, versions 1.4.2 and 1.3.8 of Micrometer Tracing provide: dependency upgrades to Micrometer Metrics 1.14.3 and 1.13.10, respectively, and a resolution to a NullPointerException when an instance of the OtelTraceContextBuilder class set the parentId and sampled fields as @Nullable to align with the same fields in the TraceContext interface. More details on these releases may be found in the release notes for version 1.4.2 and version 1.3.8.

Piranha Cloud

The release of Piranha 25.1.0 delivers many dependency upgrades and notable changes such as: a new SecurityConstraint class to complement their own SecurityManager API; and a resolution to an instance of the GrizzlyHttpServer class to not indefinitely suspend on asynchronous requests. Further details on this release may be found in the release notes, documentation and issue tracker.

Project Reactor

Project Reactor 2024.0.2, the second maintenance release, providing dependency upgrades to reactor-core 3.7.2, reactor-netty 1.2.2, reactor-pool 1.1.1. There was also a realignment to version 2024.0.2 with the reactor-addons 3.5.2, reactor-kotlin-extensions 1.2.3 and reactor-kafka 1.3.23 artifacts that remain unchanged. More details on this release may be found in the changelog.

Similarly, Project Reactor 2023.0.14, the fourteenth maintenance release, provides dependency upgrades to reactor-pool 1.0.9 and reactor-netty 1.1.26. There was also a realignment to version 2023.0.12 with the reactor-core 3.6.13, reactor-addons 3.5.2, reactor-kotlin-extensions 1.2.3 and reactor-kafka 1.3.23 artifacts that remain unchanged. Further details on this release may be found in the changelog.

JobRunr

The release of JobRunr 7.4.0 ships with: support for JDK 24, Spring Boot 3.4 and Kotlin 2.1. Enhancements include: wait for all instances of the RecurringJobPostProcessor class to finish before starting Spring Boot and the BackgroundJobServer class; and ensure that the correct casing is used in all SQL scripts. There was also a resolution to skip collection validation if an instance of the MongoDBStorageProvider class is configured with the NO_VALIDATE option. More details on this release may be found in the release notes.

OpenXava

The release of OpenXava 7.4.5 provides bug fixes, improvements in documentation, dependency upgrades and enhancements such as: a new filterByContentInAnyProperty() method, added to the Tab class, to filter a string value in any column; and a new isJavaIdentifier() method, added to the Strings utility class, to determine the existence of a Java identifier. More details on this release may be found in the release notes.

Commonhaus Foundation

The Commonhaus Foundation, a non-profit organization dedicated to the sustainability of open source libraries and frameworks, has announced that Infinispan has joined the foundation this past week. In a blog post published in mid-January 2025, Tristan Tarrant, senior principal software engineer at Red Hat and Infinispan project lead, described their rationale to transition to the foundation, writing:

Commonhaus just ticks all the right boxes for us: its lightweight governance is ideal. We get all the benefits of being part of an awesome foundation, with all the benefits of running the project on our own terms.

Commonhaus is also the home to a number of “friend projects”: Hibernate, Quarkus, Debezium, Jackson all play a key role in our software and it’s great that we share a “common home.”

Other notable projects that have joined the foundation include: JReleaser, JBang, OpenRewrite, SDKMAN, EasyMock, Objenesis and Feign.

This week’s Java roundup for January 6th, 2025 features news highlighting: the release of WildFly 35; Java Operator SDK 5.0-RC1; Spring Framework 2023.0.5; Micronaut 4.7.4; Quarkus 3.17.6; Arquillian 1.9.3; and an update on Jakarta EE 11.

JDK 24

Build 31 of the JDK 24 early-access builds was made available this past week featuring updates from Build 30 that include fixes for various issues. Further details on this release may be found in the release notes.

JDK 25

Build 5 of the JDK 25 early-access builds was also made available this past week featuring updates from Build 4 that include fixes for various issues. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

Jakarta EE 11

In his weekly Hashtag Jakarta EE blog, Ivar Grimstad, Jakarta EE Developer Advocate at the Eclipse Foundation, provided an update on Jakarta EE 11, writing:

Jakarta EE Core Profile 11 was released in December. You can check out all the details on the updated Jakarta EE Core Profile 11 specification page. The next out will be Jakarta EE Web Profile 11, which will be released as soon as there is a compatible implementation that passes the refactored TCK. The Jakarta EE Platform 11 will follow after the Web Profile.

The road to Jakarta EE 11 included four milestone releases, the release of Core Profile with the potential for release candidates as necessary before the GA releases of the Platform and Web Profile in 1Q2025.

Spring Framework

Spring Cloud 2023.0.5, codenamed Leyton, has been released featuring bug fixes and notable updates to sub-projects: Spring Cloud Kubernetes 3.1.5; Spring Cloud Function 4.1.5; Spring Cloud Stream 4.1.5; and Spring Cloud Circuit Breaker 3.1.4. This release is based upon Spring Boot 3.4.0. Further details on this release may be found in the release notes.

WildFly

The release of WildFly 3.5 primarily focuses on support for MicroProfile 7.0 and the updated specifications, namely: MicroProfile Telemetry 2.0; MicroProfile Open API 4.0; MicroProfile Rest Client 4.0; and MicroProfile Fault Tolerance 4.1. Along with bug fixes and dependency upgrades, other enhancements include: a refactor of the WildFlyOpenTelemetryConfig class as it had become too large and unmanageable; and the addition of profiles in the source code base for a “cleaner organization of the build and testsuite execution so the base and expansion parts can be independently built, and, more importantly, can be independently tested.” More details on this release may be found in the release notes. InfoQ will follow up with a more detailed news story.

Micronaut

The Micronaut Foundation has released version 4.7.4 of the Micronaut Framework featuring Micronaut Core 4.7.11, bug fixes and patch updates to modules: Micronaut Serialization and Micronaut Discovery Client. Further details on this release may be found in the release notes.

Quarkus

Quarkus 3.17.6, the fifth maintenance release (3.17.1 was skipped due to a regression), ships with bug fixes, dependency upgrades and notable resolutions to issues such as: a NullPointerException caused by the mappingToNames() method, defined in the BuildTimeConfigurationReader class, using the SmallRye Config PropertyName class to map with mapping names; and bootstrapping an application crashes using the Dev Console. More details on this release may be found in the changelog.

Java Operator SDK

The first release candidate of Java Operator SDK 5.0.0 ships with continuous improvements on new features such as: the Kubernetes Server-Side Apply elevated to a first-class citizen with a default approach for patching the status resource; and a change in responsibility with the EventSource interface to monitor the resources and handles accessing the cached resources, filtering, and additional capabilities that was once maintained by the ResourceEventSource subinterface. Further details on this release may be found in the changelog.

Arquillian

A week after the release of version 1.9.2, Arquillian 1.9.3 provides dependency upgrades and improvements to the ExceptionProxy class to produce a meaningful stack trace when the exception class is missing on a client. More details on this release may be found in the release notes.

This week’s Java roundup for December 23rd, 2024 features news highlighting: the fifth milestone release of Spring AI 1.0; the first milestone release of Grails 7.0; the first alpha release of LangChain4j 1.0; and the release of JHipster 8.8.

JDK 24

Build 29 remains the current build in the JDK 24 early-access builds. Further details on this release may be found in the release notes.

JDK 25

Similarly, Build 3 remains the current build in the JDK 25 early-access builds. More details on this release may be found in the release notes.

For JDK 24 and JDK 25, developers are encouraged to report bugs via the Java Bug Database.

Spring Framework

Ten days after introducing the experimental Spring AI MCP, a Java SDK implementation of the Model Context Protocol (MCP), to the Java community, the Spring AI team has released a version 0.2.0 milestone. This initial release features: a simplified McpClient interface such that listing operations no longer require a cursor parameter; and a new SseServerTransport class, a server-side implementation of the MCP HTTP with the SSE transport specification. Breaking changes include a rename of some modules for improved consistency. Further details on this release may be found in the release notes.

The fifth milestone release of Spring AI 1.0 delivers: incubating support for the Model Context Protocol; support for models such as Zhipuai Embedding-3 and Pixtral; and support for vector stores such as MariaDB and Azure Cosmos DB. There were also breaking changes that include moving the MilvusVectorStore class from the org.springframework.ai.vectorstore package to the org.springframework.ai.vectorstore.milvus package. The Spring AI team plans a sixth milestone release in January 2025 followed by one release candidate before the final GA release.

TornadoVM

The release of TornadoVM 1.0.9 ships with bug fixes and improvements such as: support for the RISC-V 64 CPU port to run OpenCL with vector instructions for the RVV 1.0 board; support for int, double, long and short three-dimensional arrays by creating new matrix classes; and the addition of a helper menu for the tornado launcher script when no arguments are passed. More details on this release may be found in the release notes.

Micronaut

The Micronaut Foundation has released version 4.7.3 of the Micronaut Framework featuring Micronaut Core 4.7.10, bug fixes and patch updates to modules: Micronaut Logging, Micronaut Flyway, Micronaut Liquibase Micronaut Oracle Cloud and Micronaut Pulsar. Further details on this release may be found in the release notes.

Grails

The first milestone release of Grails 7.0.0 delivers bug fixes, dependency upgrades and notable changes such as: a minimal version of JDK 17, Spring Framework 6.0, Spring Boot 3.0 and Groovy 4.0; and an update to the PublishGuide class to use the Gradle AntBuilder class instead of the deprecated Groovy AntBuilder class. More details on this release may be found in the release notes.

LangChain4j

After more than 18 months of development, the first alpha release of LangChain4j 1.0.0 features: updated ChatLanguageModel and StreamingChatLanguageModel interfaces to support additional use cases and new features; and an initial implementation of the Model Context Protocol. The team plans a GA release in Q12025. Further details on this release may be found in the release notes.

Apache Software Foundation

The Apache Camel team has announced that the version 3.0 release train has reached end-of-life. The recently released Apache Camel 3.22.3, will be the final one. Developers are encouraged to upgrade to the 4.0 release train via this migration guide.

JHipster

The release of JHipster 8.8.0 features: upgrades to Spring Boot 3.4, Angular 19 and Gradle 8.12; experimental support for esbuild in Angular; and improved CSRF token handling for single page applications. More details on this release may be found in the release notes.

Similarly, the release of JHipster Lite 1.24.0 ships with an upgrade to Spring Boot 3.4.1 and new features/enhancements such as: a new module for configuring a Liquibase linter; and the addition of metadata to the preprocessor to resolve a ESLint cache error. Further details on this release may be found in the release notes.