Arcana: One Pure-Java Library for (Almost) Every Archive Format
Arcana extracts ZIP, 7z, RAR 5, zstd, MSI, ISO, DMG and 40+ formats in pure Java 8: no native code, no dependencies, one JAR on Maven …
Week in review: 26 October 2026
New authors
Welcome to Stéphane Bury, Julien Dubois, Mikhail Polivakha and Kasper van de Wetering, who published their first article on foojay.io this week.
Published this week
How three Java Champions put GitHub Copilot to work
Three Java Champions share practical GitHub Copilot workflows, from feature development to agentic verification and debugging Pi4J.
DuckDB 2.0 Is Here
DuckDB 2.0.0 LTS - Cinnamon Teal - is the project's biggest release yet, with a server mode, async I/O, first-class VARIANT support and a …
New Java Features Are Not Just for Interviews. Two Real-World Use Cases from Axelix
See how Axelix uses Java ScopedValue to propagate security context and sealed interfaces to protect domain invariants in real-world …
What jstack Misses When Your Java Service Uses Virtual Threads
A service with virtual threads can have thousands of requests waiting while jstack shows idle carriers. How to read Thread.dump_to_file …
Announcing Vitra – A Modern UI Library for JavaFX
Vitra is a carefully crafted UI library that brings modern controls, Fluent-inspired materials and professional surfaces to JavaFX …
Free Java, Real Risk: Why Unsupported OpenJDK Is Now a Security Gamble
Learn why unsupported OpenJDK is a security risk in the age of AI.
JVM on Unikernel Nanos — GC trade-offs and heap uncommit
Testing five HotSpot garbage collectors and heap uncommit on Nanos, revisiting the Akamas study with Eclipse Temurin 25 and Renaissance.
How We Share Foojay Posts on Social Media
Every new Foojay article is announced on Mastodon, Bluesky and LinkedIn by one small JBang script. How it works and which problems we had to …
59 viewsThe Maven Build Cache in Practice
The Maven Build Cache significantly reduces build times in enterprise projects. Learn how we introduced it in Azure DevOps pipelines, the …