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The biggest Java platform update in this roundup is Apache Grails 8.0.0, announced October 8, 2026, with a Java 21 baseline and substantial framework changes that make it a planned upgrade rather than a drop-in version change. Open Liberty 26.0.0.10 adds Java 27 support, while the project’s earlier 26.0.0.9 release adds an MCP Server feature. The other items are a hands-on Liberty LangChain4j workshop and carefully limited status notes about GlassFish, Infinispan and Spock.
What changed, and what kind of update is each item?
| Project or item | Status and date | What is established |
|---|---|---|
| Apache Grails 8.0.0 | Announced October 8, 2026 | Major release with Java 21 and Gradle 9.7 or later baselines, plus framework and dependency changes. |
| Open Liberty 26.0.0.10 | GA, October 6, 2026 | Java 27 support and security fixes; Java 27 is not an LTS release. |
| Open Liberty 26.0.0.9 | September 8, 2026 | MCP Server support and other identity and session-cache features, alongside separate security and bug fixes. |
| Liberty LangChain4j Workshop | Workshop announced July 10, 2026 | Hands-on learning resource for building AI-infused Java applications. |
| GlassFish Release 8 notes | Snapshot PDF surfaced | Snapshot material does not establish a current GA release or its changes. |
| Infinispan | Release listing includes a future-dated entry | The project supports only the latest minor release of a major version and is licensed under Apache 2.0; the surfaced listing does not establish the latest current GA version. |
| Spock | Included in Grails 8 standard BOM | The BOM specifies Spock 2.4-groovy-5.0; this is not a standalone Spock release announcement. |
What should Grails users know before upgrading to Grails 8?
New platform baseline and stack
Apache Grails announced 8.0.0 on October 8, 2026, describing it as the first major release planned and delivered entirely as an Apache Top-Level Project. The release raises the minimum baseline to Java 21 and Gradle 9.7 or later. Its stack moves to Apache Groovy 5.1, Spring Boot 4.1, Spring Framework 7, Spring Security 7.1, Jackson 3, Tomcat 11 and Jakarta Servlet 6.1.
The announcement also highlights Hibernate 7 support, renewed GORM for Neo4j, Undertow support and Micrometer spans. Grails’ standard BOM lists Spock 2.4-groovy-5.0, which identifies the version bundled in that BOM—not the latest standalone Spock release.
Behavior changes to review
Before changing grailsVersion, review the Grails 8 release announcement’s behavior-change guidance. It flags changes that can affect application behavior, persistence, plugins and build tooling:
- GORM nullability behavior and the return type of
count(). - Hibernate 7 sequence naming and version values for new entities.
- MongoDB string IDs and transaction behavior.
- Plugin registration, CLI packaging and GSP compilation.
The announcement recommends Java 21 and a sufficiently recent Gradle wrapper. Check compatibility in the application and its plugins before upgrading; the combination of framework, dependency and behavior changes means a version-number edit alone is not a safe upgrade plan.
What the project activity figure means
The Grails announcement reports more than 4,000 commits across 400 pull requests for the release. These are project activity counts, not measures of software quality, adoption or user outcomes.
Rank #2
What does Open Liberty 26.0.0.10 add for Java 27?
Open Liberty 26.0.0.10 reached GA on October 6, 2026, adding Java 27 support and security fixes. Open Liberty’s release post explicitly says, “This is not a Long-Term-Support (LTS) release.” Java 27 compatibility therefore should not be treated as a recommendation to move every production estate to that runtime.
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The release post lists the CVEs addressed. Teams maintaining Liberty should consult that list directly to determine whether their deployments are exposed and what remediation is appropriate.
What MCP and other features arrived in Open Liberty 26.0.0.9?
The September 8, 2026 release adds MCP Server support through the mcp-1.0 feature. It also adds OAuth 2.0 Protected Resource Metadata support for openidConnectClient and custom session-cache name prefixes for shared JCache clusters.
Separately, 26.0.0.9 includes security vulnerability fixes and bug fixes. The release post is the place to check the full feature details and security information for a maintained Liberty installation.
Rank #4
What does the Liberty LangChain4j Workshop cover?
Open Liberty announced the Liberty LangChain4j Workshop on July 10, 2026. It is a practical, hands-on workshop that starts with a chatbot and progresses through building blocks for AI-infused Java applications:
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- Streaming responses and retrieval-augmented generation.
- Function calling, tools and MCP.
- Guardrails, observability and fault tolerance.
- Agent workflows.
The workshop is a learning resource, not evidence of the latest LangChain4j version, which model providers are supported, or whether a paid course is available.
Best Value
What is currently established about GlassFish and Infinispan?
GlassFish: snapshot notes are not proof of a GA release
The surfaced GlassFish Release 8 release-notes PDF is snapshot material. It identifies the GlassFish open-source community but does not establish a current general-availability date, release status or headline changes. It should not be used to infer that a particular GlassFish version is generally available.
Infinispan: do not treat the future listing as released
The official Infinispan release listing says the project supports only the latest minor release of a major version and uses the Apache 2.0 license. It includes a 13.0.x row with November 2026 timing, which is in the future relative to October 12, 2026; that entry is not evidence that the version has already been released. The surfaced information does not securely identify the latest currently available GA version.
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