From Java 21 to Java 25

Java 25 New Features from Java 21
Java Language
* Module Import Declarations
* Flexible Constructor Bodies
* Compact Source Files and Instance Main Methods
* Pattern Matching

Core Library
* Stream Gatherers
* Class-File API
* Integrity by Default

Multi-threading
* Scoped Values
* Structured Concurrency
* Synchronize Virtual Threads without Pinning
* Stable Values

JVM
* Garbage Collectors
* Compact Object Headers
* Project Leyden

Tools
* Launch Multi-File Source-Code Programs
* Annotations Processing