This week's Java roundup for August 31st, 2026, features news highlighting: the GA release of TornadoVM 6.0; point releases of JReleaser, LangChain4j, Java Operator SDK, JHipster, Kotlin Toolchain and Yupiik Fusion; and maintenance releases of Micronaut and GraalVM Development Kit.
JDK 27
Build 35 remains the current build in the JDK 27 early-access builds. Further details on this release may be found in the release notes.
JDK 28
Build 14 of the JDK 28 early-access builds was also made available this past week featuring updates from Build 13 that include fixes for various issues. More details on this release may be found in the release notes.
For JDK 28 and JDK 27, developers are encouraged to report bugs via the Java Bug Database.
TornadoVM
The release of TornadoVM 6.0.0 delivers bug fixes, documentation improvements, dependency upgrades and new features such as: a full replacement of the Java Native Interface with the more modern Foreign Function & Memory API used in the backends and library tasks; the removal of the experimental JVM Compiler Interface (JVMCI) in favor of "sourcing all compiler metadata through a reflection + ASM + Unsafe layer, and makes that the single, uniform path on every supported JDK (21, 25, 26, 27);" and an expansion of the CUDA Backend. Further 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 5.1.3 of the Micronaut Framework, based on Micronaut Core 5.1.13, featuring patch updates to modules: Micronaut SQL Libraries; Micronaut Micrometer; Micronaut OpenAPI/Swagger; Micronaut OpenSearch; Micronaut Email; Micronaut Reactor; Micronaut Data; and Micronaut AWS. More details on this release may be found in the release notes.
GraalVM Development Kit
Oracle Labs has released version 5.1.3 of the Graal Development Kit (GDK) featuring alignment with the aforementioned Micronaut 5.1.3. This new release features the ability to generate and build GDK apps with JDK 25 when creating apps using the GDK Launcher and GDK CLI. Formerly known as Graal Cloud Native, the Graal Development Kit for Micronaut provides a curated set of Micronaut framework modules that simplify cloud application development. Further details on this release may be found in the release notes.
JReleaser
The release of JReleaser 1.26.0 ships with bug fixes, documentation improvements, dependency upgrades and new features such as: improved support of Snapcraft with the addition of the platforms node in the generated snapcraft.yml file and a deprecation of the runOn() method, defined in the SnapPackager class, in favor of the buildFor() method; and a new option to skip tagging the JBang packager repository to resolve the potential for incorrect JBang tags. More details on this release may be found in the release notes.
LangChain4j
The formal release (along with the thirtieth beta release) of LangChain4j 1.20.0 provides bug fixes, documentation improvements, dependency upgrades and new features such as: experimental support for non-blocking and reactive, for AI service methods that call a thread for an entire interaction, that now return a CompletableFuture<T> and Flow.Publisher<T>; and opt-in support for JSON SPIs against Jackson 3. Further details on this release may be found in the release notes.
Java Operator SDK
The release of Java Operator SDK 5.6.0 delivers notable changes such as: a new InformerPool interface where informers are now shared between controllers and event sources instead of one informer per event source; and a change in configuration of the EventRecorder interface from the RegisteredController interface to the eventRecorder() method defined in the ConfigurationService interface. More details on this release may be found in the release notes.
JHipster
The release of JHipster 9.3.0 ships with bug fixes, dependency upgrades and new features such as: full support for Spring Boot 4, Jackson 3 and Angular 22; reactive applications that are now built with Vite; and consistent use of the Spring Boot @ServiceConnection annotation on integration tests using Testcontainers. Further details on this release may be found in the release notes.
Kotlin Toolchain
The JetBrains team has released version 0.12.0 of Kotlin Toolchain, a unified entry point utility into the Kotlin programming language. Along with bug fixes and dependency upgrades, new features include: expansion of published Kotlin libraries, originally limited to JVM libraries, that now include multiplatform libraries; the ability to execute Wasm apps using the kotlin run command; and improvements to the Terminal UI and IDE. More details on this release, including breaking changes, may be found in the release notes.
Yupiik Fusion
Version 1.1.0 of Yupiik Fusion, the lightweight Java stack for building microservices and APIs, provides bug fixes, dependency upgrades and new features such as: a new JsonSchemaService class that implements the Draft 2020-12 JSON Schema specification; a new CurlLoggerListener class designed to force all exchanges to be logged; and the addition of a snapshot deployment workflow. Further details on this release may be found in the release notes.