JDK 12

This release will be the Reference Implementation of version 12 of the Java SE Platform, as specified by JSR 386 in the Java Community Process.

Status

JDK 12 is in Rampdown Phase Two.

The overall feature set is frozen. No further JEPs will be targeted to this release.

The stabilization repository, jdk/jdk12, is open for P1–P2 bug fixes and, with approval, late enhancements per the JDK Release Process (JEP 3).

RDP 1 candidate bugs
RDP 2 candidate bugs
Bug-Deferral Process
Late-Enhancement Request Process

Schedule

2018/12/13 Rampdown Phase One (fork from main line)

2019/01/17 Rampdown Phase Two

2019/02/07 Release-Candidate Phase

2019/03/19 General Availability

Features

189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)

230: Microbenchmark Suite

325: Switch Expressions (Preview)

334: JVM Constants API

340: One AArch64 Port, Not Two

341: Default CDS Archives

344: Abortable Mixed Collections for G1

346: Promptly Return Unused Committed Memory from G1

Last update: 2019/1/18 18:08 UTC

2018/12/13		Rampdown Phase One (fork from main line)
2019/01/17		Rampdown Phase Two
2019/02/07		Release-Candidate Phase
2019/03/19		General Availability

189:	Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
230:	Microbenchmark Suite
325:	Switch Expressions (Preview)
334:	JVM Constants API
340:	One AArch64 Port, Not Two
341:	Default CDS Archives
344:	Abortable Mixed Collections for G1
346:	Promptly Return Unused Committed Memory from G1