The article reviews JDK 25, the latest LTS release, critiquing its superficial syntax shortcuts while highlighting the genuinely valuable additions of Structured Concurrency and Scoped Values, and examines JVM‑level improvements such as generational Shenandoah GC, ultimately questioning whether the release truly advances Java’s future.
Java 25, the latest LTS release, introduces a suite of powerful new language and runtime features—including Scoped Values, compact source files, flexible constructors, module import declarations, a key‑derivation API, compact object headers, generational Shenandoah GC, structured concurrency, primitive pattern matching, and Stable Values—while also deprecating 32‑bit x86 support and enhancing JFR and the Vector API, offering developers both modern ergonomics and performance gains.
JDK 23, the next non‑LTS release of the Java platform slated for September 17, introduces a suite of preview features—including scoped values, structured concurrency, flexible constructor bodies, implicit class and instance methods, module import declarations, Markdown Javadoc, vector API enhancements, and a default generational ZGC mode—while deprecating sun.misc.Unsafe memory‑access methods.
JDK 20, a short‑term support release of Java, introduces seven JEPs—including Scoped Values, Record Patterns, Virtual Threads, Structured Concurrency, and the Vector API—along with numerous enhancements and bug fixes, while remaining production‑ready and paving the way for the upcoming JDK 21 LTS.
JDK 20, a short‑term support release, brings six months of maintenance and introduces seven JEPs—including Scoped Values, Record Patterns, Pattern Matching for switch, Foreign Function & Memory API, Virtual Threads, Structured Concurrency, and the Vector API—each at various incubation or preview stages, while preparing for the upcoming LTS JDK 21.
JDK 20, a short‑term support release, brings seven new JEPs—including Scoped Values, Record Patterns, and Virtual Threads—alongside numerous enhancements and bug fixes, positioning it for production use while previewing features that will shape the upcoming JDK 21 LTS.
