Friends of OpenJDK Today

A maintainer recently hid a destructive prompt-injection payload aimed at AI agents inside his own framework. That is a betrayal of the trust open source runs on. Here is where we stand, and why I think AI is the biggest opportunity small OSS players have ever had.

This week brings native Windows executables with no JVM, a portable 3D graphics API, a gaming API with Box2D physics, cross-platform printing, and Apple Wallet support, in what is probably our biggest update ever.

Where does production policy belong in a managed runtime? The thesis behind Eliya, an opinionated OpenJDK 25 distribution, and the one flag it ships. Part 1.

Table of Contents What Are Paketo Build Packs?Spring Boot Already Uses PaketoSetting Up the Demo ProjectConfiguring the Azul Zulu BuildpackChoosing the Java Version and TypeUsing jlink to Generate a Custom JREEnabling Observability and Debugging FeaturesComplete Configuration ReferenceUsing Paketo Without Spring …

An OpenAPI 3.x client generator that turns a spec into typed Codename One code, a JPA-shaped SQLite ORM, JAXB-shaped JSON / XML mappers, build-time SVG and Lottie transcoders, plus a declarative router and deep-link API. All ride on the same build-time codegen pipeline.

The open issue count dropped below 350 after a push through the oldest reports, and the same week brought native Mac builds, WebSockets in the core, gRPC and GraphQL integration, a new advertising API, and richer background work.

Table of Contents Why Sets? The Problem FirstMeet BoxSetCreating Sets: Every PathsetNew() — the workhorsesetOf() — varargs shorthandLiteral syntax: set{ … }Converting from other typesThe Three Variants in PracticeDefault (HashSet) — when order doesn’t matterLinked (LinkedHashSet) — when insertion order …

Table of Contents First: The rate of CVE arrivalsSecond: AI detection of vulnerabilities becoming the normThird: The breaking of an old asymmetryFourth: Regulators got impatientThe maths no longer worksThink about Y2KThe response doesn’t wait for the disasterThe asymmetry that should …

Table of Contents Quality in Development: Simplicity Still WinsFavorite Java Framework: Spring Boot vs QuarkusWhy Developers Still Love Spring BootWhy Quarkus Generates ExcitementWelcoming Girls in Tech: Inclusion Through Everyday ActionsBest Thing About Tech CommunitiesBest Java Developer Skill Today: AdaptabilityWhy Not …

Table of Contents Choosing your character classSpringQuarkusJoobyVert.xThe numbersWho plays which character TLDR Every Java project I’ve seen starts the same way. The question “What framework?” is answered in a matter of seconds with “Spring Boot.” The reflex is by no …

Deeper AI integration in the framework core, modern authentication via OAuth / OIDC and WebAuthn passkeys driven from the system browser, and a few smaller additions (WiFi / connectivity, share-sheet result callbacks) alongside.

Table of Contents YouTubePodcast AppsGuestLinksContent WebAssembly is already running inside Java applications, most developers just don’t know it yet. In this episode, Andrea Peruffo walks us through how WebAssembly is becoming the modern, safe alternative to JNI: letting you run …