NEWSLETTER ISSUE #70 - July 2026

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Image by Turquo Cabbit from Unsplash

Guardrails with OPA Policies in Quarkus LangChain4j

By Fabio Burzigotti

Implementing input guardrails with Open Policy Agent (OPA) for secure LLM applications.

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Quarkus Pi4J Extension

by Igor De Souza

The Quarkus Pi4J Extension makes it easier than ever to build hardware-enabled applications using the Quarkus ecosystem.

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Add Comments to Your Blog with a Web Component (30min)

By Andy Damevin

Step-by-step tutorial: build a Lit web component for comments backed by a Quarkus REST API on your Roq blog.

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Quarkus Multitenancy Without Tenant Plumbing in Every Service

By Markus Eisele

What the Quarkiverse Multitenancy extension gives you: one resolution point, clean domain code, and three tested resolution modes for database-per-tenant isolation.

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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

Videos of the Month

Quarkus Insights #254: Domain Driven Design and Hexagonal Architecture - Part 2

Quarkus Insights #253: Some thoughts on Quarkus metrics

Quarkus Insights #252: Lessons learned with Franz

Quarkus Insights #251: Faster Startup on IBM Semeru in Quarkus

Upcoming Events with Quarkus

KubeCon Japan

Date: July 28-30, 2026
Location: Yokohama, Japan
Event Type: In Person

The Cloud Native Computing Foundation’s flagship conference brings together adopters and technologists from leading open source and cloud native communities in Yokohama, Japan, from 2026 July 28-30.

Quarkus Club

Date: August 11, 2026
Location: São Paulo
Event Type: Hybrid

The next Quarkus Club Meetup is just around the corner, and it’s shaping up to be an absolute must-attend event for developers, tech enthusiasts, and software engineers!

Open Source Summit Korea

Date: August 11-12, 2026
Location: Seoul, Korea
Event Type: In Person

Open Source Summit Korea unites the open source ecosystem, offering a platform for collaboration, knowledge-sharing, and exploring innovative solutions.

MCP Dev Summit Seoul

Date: August 13-14, 2026
Location: Seoul, Korea
Event Type: In Person

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

Javazone

Date: September 2-3, 2026
Location: Oslo, Norway
Event Type: In Person

JavaZone is the biggest community-driven Java conference that has been organized in Oslo, Norway since 2001. It is organized on a voluntary basis by a group of people from javaBin, the Norwegian Java User Group, working around the year and putting many hours to create an amazing conference experience for you.

KubeCon China

Date: September 8-9, 2026
Location: Shanghai, China
Event Type: In Person

This flagship event unites adopters, technologists, and community members from across the region to drive innovation in open source infrastructure, cloud native computing, machine learning and next-generation AI around common, industry-wide use cases.

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Quarkus is supersonic subatomic java.