JAX Mainz 2026 was held on May 4, 2026 at Rheingoldhalle Mainz, Germany. The conference is a regional gathering focused on Java and JVM technologies, covering topics relevant to enterprise and backend developers working in the Java ecosystem. As a regional European Java conference, JAX Mainz offers talks and workshops on Java platform updates, frameworks, and cloud-native JVM development. Developers unable to attend may look for session recordings or writeups from speakers in the days following the event.