Java 23, now generally available, includes previews of module import declarations, stream gatherers, structured concurrency, scoped values, and a class-file API. And much more.

As a preview feature, JEP 445 needs to be explicitly enabled when using JDK 21. Developers can do so by compiling the program with the --enable-preview flag: ...

Java 24 arrived today in a production release, packed with two dozen features. It’s a short-term support release eligible for six months of premier support.