WildFly WildFly News About Contribute Docs Guides Events Downloads CVE Reporting GitHub Get Started WildFly A powerful, modular, & lightweight application server that helps you build amazing applications. Now available: WildFly 41 Final Download WildFly Get Started Try WildFly Preview Github Documentation Forums Powerful Configuration in WildFly is centralized, simple, and user-focused. The configuration file is organized by subsystems that you can easily comprehend and no internal server wiring is exposed. All management capabilities are exposed in a unified manner across many forms of access. These include a CLI, a web based administration console, a native Java API, an HTTP/JSON based REST API, and a JMX gateway. These options allow for custom automation using the tools and languages that best fit your needs. Modular WildFly does classloading right. It uses JBoss Modules to provide true application isolation, hiding server implementation classes from the application and only linking with JARs your application needs. Visibility rules have sensible defaults, yet can be customized. The dependency resolution algorithm means that classloading performance is not affected by the number of versions of libraries you have installed. Lightweight WildFly takes an aggressive approach to memory management. The base runtime services were developed to minimize heap allocation by using common cached indexed metadata over duplicate full parses, which reduces heap and object churn. The administration console is 100% stateless and purely client driven. It starts instantly and requires zero memory on the server. These optimizations combined enable WildFly to run with stock JVM settings and also on small devices while leaving more headroom for application data and supports higher scalability. Standards Based WildFly implements the latest in enterprise Java standards from Jakarta and MicroProfile. These improve developer productivity by providing rich enterprise capabilities in easy to consume frameworks that eliminate boilerplate and reduce technical burden. This allows your team to focus on the core business needs of your application. By building your application on standards you retain the flexibility to migrate between various vendor solutions. Latest News WildFly 41 is released! By Brian Stansberry | July 16, 2026 Im happy to announce that the new WildFly, WildFly EE 10 and WildFly Preview 41.0.0.Final releases are available for download at https://wildfly.org/downloads. The Galleon feature-packs for WildFly 41 are available in Maven Central. New and Notable We feature-boxed the WildFly 40 release in order to deliver EE 11 support, which meant it was released over a month later than our normal January/April/July/October... Read More > A2A Jakarta 1.0.0.CR2 is released! By Kabir Khan | June 29, 2026 I am happy to announce the 1.0.0.CR2 release of A2A Jakarta. This release upgrades to a2a-java 1.1.0.Final and includes several improvements of its own. a2a-java 1.1.0.Final The headline feature of a2a-java 1.1.0.Final is a new Task Authorization SPI (TaskAuthorizationProvider) that enables per-user task authorization — particularly useful for multi-tenant deployments. It also includes several bug fixes such as disabling... Read More > New WildFly 41 Beta release By Darran Lofthouse | June 26, 2026 I am pleased to announce that the WildFly 41 Beta release is now available and ready for download. We normally have a three month interval between our Beta releases but due to the delays releasing WildFly 40 Beta this time we had less than two months. I am pleased to confirm we have the following features and promotions in this release: WFLY-17742 [Default] Support Transactions during WildFly’s graceful shutdown WFLY-19496 [Community] Promote... Read More > WildFly 40.0.1 is released! By Paul Ferraro | June 19, 2026 WildFly 40.0.1.Final is now available for download. Read More > A2A Jakarta 1.0.0.CR1 is released! By Kabir Khan | June 11, 2026 I am pleased to announce the 1.0.0.CR1 release of A2A Jakarta (formerly the A2A Java SDK for Jakarta). This release supports version 1.0 of the A2A Protocol Specification and is built on top of a2a-java 1.0.0.Final, whose highlights are covered in its release announcement. This post also covers the highlights from the 1.0.0.Beta1 release, which did not have its own announcement. New Repository Name... Read More > WildFly 40 is released! By Brian Stansberry | May 21, 2026 Its taken longer than our normal three months, but Im thrilled to announce that the new WildFly, WildFly EE 10 and WildFly Preview 40.0.0.Final releases are available for download at https://wildfly.org/downloads. The Galleon feature-packs for WildFly 40 are available in Maven Central. New and Notable Heres whats new: Support for EE 11The standard WildFly distributions and... Read More > Introducing wado - WildFly Admin Containers By Harald Pehl | May 12, 2026 If youve ever needed to test WildFly across multiple versions, you know the drill: write docker commands by hand, calculate port offsets so containers dont collide, come up with consistent naming, and repeat for every version you care about. When Im working on the HAL management console, I regularly need to spin up five or more WildFly versions side by side to verify that changes work across releases. That... Read More > Next-Gen Management Console for WildFly By Harald Pehl | May 12, 2026 Were excited to share that weve been working on a next-generation management console for WildFly. At its core is HAL Foundation — a shared foundation that provides the building blocks for WildFlys management console implementations. Built on top of HAL Foundation, halOP (HAL On Premise) is the next-gen management console and will be the successor to the existing HAL management console you know and love. halOP is a... Read More > WildFly is fully open. All components are open source and follow a community-focused development process. This website was built with Roq, is hosted on Github Pages and is completely open source. If you want to make it better, fork it and show us what you’ve got. Navigation Downloads Docs Get Started GitHub Guides Contribute Submit a bug Join the forum Fork WildFly Follow us PGP Info Get Help Join the forum Join Zulip Chat Find more Community Projects used with WildFly Arquillian Ansible Collection for WildFly Byteman Hibernate Infinispan IronJacamar Jackson JBoss Logging JBoss Remoting Keycloak mod_cluster Narayana Quarkus RESTEasy SmallRye Undertow Weld WildFly Elytron XNIO CC by 3.0 Copyright © WildFly. All rights reserved. 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