Java 24

Java 24 was released on 2025-03-18. It is not an LTS release, and will be obsoleted with the release of Java 25 (LTS) in September 2025.

Status: general availability.

Resources:

Selected changes targeted to Java 24

Relevant to us:

450:	Compact Object Headers (Experimental)
478:	Key Derivation Function API (Preview)
479:	Remove the Windows 32-bit x86 Port
484:	Class-File API
485:	Stream Gatherers
486:	Permanently Disable the Security Manager
487:	Scoped Values (Fourth Preview)
488:	Primitive Types in Patterns, instanceof, and switch (Second Preview)
490:	ZGC: Remove the Non-Generational Mode
491:	Synchronize Virtual Threads without Pinning
492:	Flexible Constructor Bodies (Third Preview)
494:	Module Import Declarations (Second Preview)
496:	Quantum-Resistant Module-Lattice-Based Key Encapsulation Mechanism
497:	Quantum-Resistant Module-Lattice-Based Digital Signature Algorithm
499:	Structured Concurrency (Fourth Preview)
501:	Deprecate the 32-bit x86 Port for Removal