JDK 27

This release will be the Reference Implementation of version 27 of the Java SE Platform, as specified by JSR 402 in the Java Community Process.

Status

The main line is open for bug fixes, small enhancements, and JEPs as proposed and tracked via the JEP Process.

Early-access binaries, under the GPL, are available here.

Schedule

2026/06/04Rampdown Phase One (branch from main line)
2026/07/16Rampdown Phase Two
2026/08/06Initial Release Candidate
2026/08/20Final Release Candidate
2026/09/14General Availability

Features

JEPs proposed to target JDK 27review ends
532:Primitive Types in Patterns, instanceof, and switch
(Fifth Preview)		2026/04/30
JEPs targeted to JDK 27, so far
527:Post-Quantum Hybrid Key Exchange for TLS 1.3
Last update: 2026/4/23 14:29 UTC