NEWSLETTER ISSUE #72 - September 2026

View online version

Subscribe now to the Quarkus Newsletter.

Build Token Exchange Between Three Quarkus Services

By Markus Eisele

Follow a user token from the order service to inventory and audit, then test why each service rejects a token meant for another audience.

Read the Article

Image by Almira Silla from Unsplash

Create your first generative AI Java application with Quarkus and LangChain4j

By Laura Cowen

Learn how to integrate Quarkus, LangChain4j, and a large language model to generate custom poetry

Read the Article

Image by Alex Bransky from Unsplash

Java 21: the foundation for Quarkus 4

By Clement Escoffier

Quarkus 4 raises the Java baseline to 21. Here is why we made this choice and what it means for you.

Read the Article

Image by Evie S. from Unsplash

Part 1: Building Governed MCP Tool Services With Quarkus LangChain4j and Goose

By Daniel Oh

Build governed, cloud-native Java MCP tool services for Goose agents using Quarkus LangChain4j, Java 25, and Jakarta Bean Validation.

Read the Article

Image by Evie S. from Unsplash

Part 2: Securing and Scaling Goose-to-Java Agent Traffic With agentgateway

By Daniel Oh

Deploy agentgateway as a security proxy between Goose AI agents and Quarkus MCP servers to enforce JWT auth, RBAC, and tool-poisoning guardrails.

Read the Article

Enterprise support options for Quarkus

The Quarkus community just got stronger: alongside the long‑standing Red Hat Build of Quarkus, IBM has announced the IBM Enterprise Build of Quarkus. Organizations now have a choice between two enterprise distributions built on the same community core — a clear sign of the project's growth and maturity.

Get Red Hat Build of Quarkus 3.27, a downstream enterprise-supported version of Quarkus. Read the Red Hat Build of Quarkus 3.27 documentation.

Check out IBM Enterprise Build of Quarkus 3.27 for cloud-native and AI-infused applications. Read the IBM Build of Quarkus 3.27 documentation.

Github Discussions is Quarkus's place for community collaboration, conversation, events, Q&A, job opportunities, and other great community topics.

Go join the Quarkus discussions!

Top Social Posts & Comments

Videos of the Month

Quarkus Insights #259: reShapr & Quarkus

Quarkus Insights #258: Quarkus Feature Flags

Quarkus Insights #257: Optimizing Java Workloads on OpenShift & Kubernetes

Upcoming Events with Quarkus

AIContext - San Jose

Date: September 23, 2026
Location: San Jose, CA USA
Event Type: In Person

The conference where CTOs, AI leads, and architects compare notes on what actually works — orchestration, governance, and the infrastructure behind real-world agentic systems.

WeAreDevelopers NA

Date: September 23-25, 2026
Location: San Jose, CA USA
Event Type: In Person

WeAreDevelopers World Congress - developers, engineering leaders, and the people building production AI systems.

apidays London

Date: September 20 - October 1, 2026
Location: London, UK
Event Type: In Person

apidays London 2026 explores the technical and regulatory architecture required to support a world where APIs are the "legal and functional hands" of AI. We are moving from Open Banking (data access) to Actionable Banking (execution), where embedded finance becomes an invisible utility within the agentic workflow.

MCP Dev Summit Toronto

Date: October 5th-6th, 2026
Location: Toronto, Canada
Event Type: In Person

MCP Dev Summit Toronto explores how MCP is enabling interoperable AI agents to securely connect models with tools, data, and real-world systems.

Devoxx Belgium

Date: October 5-9, 2026
Location: Antwerp, Belgium
Event Type: In Person

Join 20,000+ developers at Devoxx Belgium. Explore AI Agents, Java 25, and cutting-edge tech. Annual conference in Antwerp with talks, demos, and networking.

dev2next

Date: October 12-15, 2026
Location: Lone Tree, CO USA
Event Type: In Person

dev2next is the premier conference designed for software developers, architects, technology leaders, development managers, and directors. Explore cutting-edge strategies, tools, and essential practices for building powerful applications using the latest trends and good practices.

IBM TechXchange

Date: October 26-29, 2026
Location: Atlanta, GA USA
Event Type: In Person

The hands-on conference where developers and technologists build real-world skills in AI, cloud and emerging tech.

ArgoCon NA

Date: November 9, 2026
Location: Salt Lake City, UT USA
Event Type: In Person

ArgoCon is designed to foster collaboration, discussion, and knowledge sharing on the Argo Project, which consists of four projects - Argo CD, Argo Workflows, Argo Rollouts and Argo Events.

KubeCon NA

Date: November 9-12, 2026
Location: Salt Lake City, UT USA
Event Type: In Person

CNCF’s flagship conference brings together the open source communities advancing cloud native computing and the infrastructure behind modern AI systems.

Agentic Engineering Days Zurich

Date: November 20, 2026
Location: Zurich, Switzerland
Event Type: In Person

Switzerland's AI Coding & Agents conference — 20 November 2026, Marriott Hotel Zurich. Agentic AI - build it & let it build.

Voxxed Days Thessaloniki

Date: November 20-21, 2026
Location: Thessaloniki, Greece
Event Type: In Person

Voxxed Days Thessaloniki brings together software developers to discuss the most important topics in our sector with expert speakers and fellow developers.

Cloud Native AI Summit - Paris

Date: December 2-3, 2026
Location: Paris, France
Event Type: In Person

Cloud Native AI Summit lands in Europe. Two days of pragmatic, practitioner-led content covering Kubernetes, observability, security, AI-on-K8s, and platform engineering — with talks from speakers shaping the cloud native landscape across the continent and beyond.

Subscribe to the Quarkus Newsletter to get this news monthly.

Quarkus is supersonic subatomic java.