NEWSLETTER ISSUE #61 - October 2025

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Guard Your Code: Enforcing Architecture Boundaries in Quarkus with ArchUnit

By Markus Eisele

How BCE/ECB keeps Java applications clean, testable, and future-proof. With rules that fail the build when you break them.

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Building a Web-Searching Agent with Ollama, Langchain4j, and Quarkus

By Elder Moraes

A guide that provides a step-by-step, hands-on tutorial for Java developers to construct a sophisticated AI agent that embodies the new paradigm where the model can autonomously decide it needs more information and knows how to get it.

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Getting Started with Quarkus and A2A Java SDK 0.3.0

By Farah Juma

A2A Java SDK 0.3.0.Alpha1 makes it possible to quickly get started with Quarkus and A2A using the latest, more stable version of the A2A protocol.

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Image by Scott Webb from Unsplash

How to Develop, Run and Optimize Quarkus Web Application on AWS Lambda

By Vadym Kazulkin

Explore some ways to develop, deploy and run applications on AWS Lambda using Quarkus framework.

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The Java Developer’s Dilemma: Part 1

By Markus Eisele

We need to preserve the qualities we know matter: correctness, security, and maintainability. But we also need to embrace a new class of technologies that behave very differently from what we’re used to.

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Image by Héctor J. Rivas from Unsplash

Get Red Hat build of Quarkus 3.20, a downstream enterprise-supported version of Quarkus. Learn about support options.

Red Hat Build of Quarkus 3.20 Documentation

Top Social Posts & Discussions

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

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Videos of the Month

#VerboseMode at #Dev2Next 2025 with Eric Deandrea on Quarkus and Spring

Quarkus Insights #222: AI Assisted Development with Quarkus Dev MCP

Quarkus Insights #221: Back to basics with Observability Part 2

Quarkus Insights #220: Virtual Threads vs Reactive Programming in Quarkus

Upcoming Events with Quarkus

Quarkus at Red Hat Innovate Together

Date: October 21, 2025
Location: Prague, Czech Republic
Event Type: In Person

Srdečně Vás zveme na největší akci společnosti Red Hat v České Republice a na Slovensku Innovate Together; Strategic Solutions for IT Leaders 2025, který se uskuteční v Praze dne 21 .10. 2025 v Vienna House by Wyndham Andel's Prague.

Lindholmen Software Development Day

Date: October 22, 2025
Location: Lindholmen, Sweden
Event Type: In Person

Lindholmen Software Development Day is the number one annual meeting place for software developers and experts in and around Gothenburg on the Swedish westcoast. The Lindholmen Software Development Day is an enabler for collaboration to bring future success in software development in Sweden. The event offers cutting-edge open seminars and a meeting place for industry, academia, and society.

Red Hat Summit: Connect 2025 Helsinki

Date: October 23, 2025
Location: Helsinki, Finland
Event Type: In Person

23 October, 2025 | Helsinki, Finland | Scandic Marina Congress Center, Katajanokanlaituri Connect with ideas, discussions, and insights with your peers by participating in our regional, in-person events.

Øredev

Date: November 5-7, 2025
Location: Malmö, Sweden
Event Type: In Person

 Øredev Developer Conference 5-7 Nov 2025, Malmö, Sweden. Øredev is the Premier developer's conference in Europe, focused on the whole software development process.

ArgoCon at KubeCon NA

Date: November 10, 2025
Location: Atlanta, Georgia - 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…

KubeCon North America

Date: November 10-13, 2025
Location: Atlanta, Georgia (USA)
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 Atlanta, Georgia from November 10-13, 2025. Be a part of the conversation as CNCF Graduated, Incubating, and Sandbox Projects unite for four days of collaboration, learning, and innovation to drive the future of cloud native computing.

Devoxx Morocco

Date: November 12-14, 2025
Location: Marrakech, Morocco
Event Type: In Person

DEVOXX MOROCCO is the largest developer conference in Africa & Middle East region, which aims to enable local and international technology experts to share their knowledge and expertise with technology enthusiasts, the 3-day conference covers sessions on Java, Cloud, Containers & Cloud Native topics, DevOps & Culture, Big Data Machine Learning & AI, Modern Web, and more..

YOW! Melbourne

Date: December 3-5, 2025
Location: Melbourne, Australia
Event Type: In Person

This edition will shine a light on agentic workflows and autonomous systems – secure, intelligent, and increasingly capable. Whether you’re working with Model Context Protocol (MCP), building multi-agent architectures (A2A), experimenting with (Java) LLM-based Agent libraries, doing LLM inference using Java on GPU, or Spec-Driven-Development, Devoxx is the stage to share your tools, insights, and ideas.

YOW! Brisbane

Date: December 8-9, 2025
Location: Brisbane, Australia
Event Type: In Person

YOW! brings together leading software development industry experts from all over the world for an in-depth look at emerging technologies and best practices without commercial hype.

YOW! Sydney 2025

Date: December 10-12, 2025
Location: Sydney, Australia
Event Type: In Person

YOW! brings together leading software development industry experts from all over the world for an in-depth look at emerging technologies and best practices without commercial hype.

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Quarkus is supersonic subatomic java.