Before we dive into what’s new with wrapper classes in Java 21, let’s do a quick review. Wrapper behavior was also refined as groundwork for Project Valhalla’s value types. Wrapper classes in Java 21 ...

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 ...