13-year-old bug in ActiveMQ lets hackers remotely execute commands

Security researchers discovered a remote code execution (RCE) vulnerability in Apache ActiveMQ Classic that has gone ...
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Minecraft 1.21 Trading Hall Tutorial for Java and Bedrock

This tutorial covers how to build a practical and expandable Villager Trading Hall in Minecraft 1.21+, compatible with both Java and Bedrock editions. Ideal for survival gameplay, the design supports ...
TMCnet

BellSoft Supercharges Legacy Java with JVM 21 in Liberica JDK Performance Edition Upgrade

SAN JOSE, Calif., July 22, 2025 /PRNewswire/ -- BellSoft, the creator of Liberica JDK, a progressive Java runtime for the most complete Java experience and a leading OpenJDK contributor, today ...
IGN

Minecraft Java 1.21.7 Patch Notes

The 1.21.7 Patch for Minecraft Java Edition has arrived, bringing a new painting into the game alongside the viral Lava Chicken music disc! This page acts as a comprehensive breakdown of the 1.21.7 ...
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JRuby 10 Released with Ruby 3.4 Support and Java 21 as Minimum Requirement

The JRuby team has released JRuby 10, a major upgrade of the Ruby implementation on the Java Virtual Machine (JVM), introducing compatibility with Ruby 3.4, full support for Java 21, and several ...
GitHub

Iris mod requires a newer version of Java 21 (Java 17 (class file versions up to 61.0), but Iris is built for Java 21 or 22 (class file version 65.0))

-- fabric-transitive-access-wideners-v1 4.3.1+1802ada577 - fabricloader 0.16.9 -- mixinextras 0.4.1 - iris 1.7.5+mc1.20.1 - minecraft 1.20.1 - modmenu 7.2.2 - photonics 0.2.5 - sodium 0.5.11+mc1.20.1 ...
TheServerSide

How to install Java 21 on Ubuntu

Community driven content discussing all aspects of software development from DevOps to design patterns. To quickly install Java on Ubuntu and have the JDK’s utilities included on the operating ...