JDK 24

This release will be the Reference Implementation of version 24 of the Java SE Platform, as specified by JSR 399 in the Java Community Process.

Status

JDK 24 is in Release Candidate phase. The overall feature set is frozen. No further JEPs will be targeted to this release.

The stabilization branch, jdk24, is open for critical bug fixes, with approval, per the JDK Release Process (JEP 3). Integrate most stabilization changes via backports from the main line.

Release-candidate binaries under the GPL are available here.

Schedule

2024/12/05 Rampdown Phase One (branch from main line)
2025/01/16 Rampdown Phase Two
2025/02/06 Initial Release Candidate
2025/02/20 Final Release Candidate
2025/03/18 General Availability

Features

404: Generational Shenandoah (Experimental)
450: Compact Object Headers (Experimental)
472: Prepare to Restrict the Use of JNI
475: Late Barrier Expansion for G1
478: Key Derivation Function API (Preview)
479: Remove the Windows 32-bit x86 Port
483: Ahead-of-Time Class Loading & Linking
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)
489: Vector API (Ninth Incubator)
490: ZGC: Remove the Non-Generational Mode
491: Synchronize Virtual Threads without Pinning
492: Flexible Constructor Bodies (Third Preview)
493: Linking Run-Time Images without JMODs
494: Module Import Declarations (Second Preview)
495: Simple Source Files and Instance Main Methods (Fourth Preview)
496: Quantum-Resistant Module-Lattice-Based Key Encapsulation Mechanism
497: Quantum-Resistant Module-Lattice-Based Digital Signature Algorithm
498: Warn upon Use of Memory-Access Methods in sun.misc.Unsafe
499: Structured Concurrency (Fourth Preview)
501: Deprecate the 32-bit x86 Port for Removal
Last update: 2025/2/7 18:27 UTC