What is new in Java 13 ?
Jan 29, 2019
1 minute read


This is an alive post of what will become Java 13, and, as expected, this post will expand and change over time, until the development of Java 13 is freezed in 2019. I am planning to update this post when a new feature (JEP) is targeted for JDK 13, or when there is an important update on an already targeted JEP.

Last Update: 2019/03/28

This post uses JDK 13 Early-Access Builds. You may need to provide --enable-preview and -source 13 flags to javac and --enable-preview flag to java.


2019/03/28: Schedule added. 2019/01/29: First time this post is published. (2019/1/24).


Java 13 schedule is announced. Feature freeze (RDP1) is 13/06/2019 and general availability (GA) is 17/09/2019.

Java 13 Features

There is still no feature targeted for Open JDK 13 according to the OpenJDK JDK 13 project page.

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