Release Announcement: General Availability of Java 17 / JDK 17

[Deepak Damodaran]

Release Announcement: General Availability of Java 17 / JDK 17



  *   JDK 17, the reference implementation of Java 17, is now Generally Available. [1]
  *   GPL-licensed OpenJDK builds from Oracle are available here: https://jdk.java.net/17/
  *   JDK 17 Release notes<https://www.oracle.com/java/technologies/javase/17-relnotes.html>
  *   Inside Java: The Arrival of Java 17!<https://inside.java/2021/09/14/the-arrival-of-java17/>



JDK 17 includes the following features [2]:

  *   JEP 306: Restore Always-Strict Floating-Point Semantics<https://openjdk.java.net/jeps/306>
  *   JEP 356: Enhanced Pseudo-Random Number Generators<https://openjdk.java.net/jeps/356>
  *   JEP 382: New macOS Rendering Pipeline<https://openjdk.java.net/jeps/382>
  *   JEP 391: macOS/AArch64 Port<https://openjdk.java.net/jeps/391>
  *   JEP 398: Deprecate the Applet API for Removal<https://openjdk.java.net/jeps/398>
  *   JEP 403: Strongly Encapsulate JDK Internals<https://openjdk.java.net/jeps/403>
  *   JEP 406: Pattern Matching for switch (Preview)<https://openjdk.java.net/jeps/406>
  *   JEP 407: Remove RMI Activation<https://openjdk.java.net/jeps/407>
  *   JEP 409: Sealed Classes<https://openjdk.java.net/jeps/409>
  *   JEP 410: Remove the Experimental AOT and JIT Compiler<https://openjdk.java.net/jeps/410>
  *   JEP 411: Deprecate the Security Manager for Removal<https://openjdk.java.net/jeps/411>
  *   JEP 412: Foreign Function & Memory API (Incubator)<https://openjdk.java.net/jeps/412>
  *   JEP 414: Vector API (Second Incubator)<https://openjdk.java.net/jeps/414>
  *   JEP 415: Context-Specific Deserialization Filters<https://openjdk.java.net/jeps/415>


JDK 17 will be a long-term-support (LTS) release from most vendors,including Oracle. If you’re upgrading from the previous LTS release,JDK 11, then you have many more JEPs to look forward to, summarized here:

    https://openjdk.java.net/jdk/17/jeps-since-jdk-11



Thanks to everyone who contributed to JDK 17, whether by creating features or enhancements, logging bugs, or

downloading and testing the early-access builds.



OpenJDK 18 Early Access build 14 is now available at https://jdk.java.net/18/

  *   These early access, open source builds are provided under the GNU General Public License, version 2, with the Classpath Exception<https://openjdk.java.net/legal/gplv2+ce.html>.
  *   JEPs targeted to JDK 18, so far:

     *   JEP 400: UTF-8 by Default<https://openjdk.java.net/jeps/400>
     *   JEP 413: Code Snippets in Java API Documentation<https://openjdk.java.net/jeps/413>

  *   Release Notes are available at https://jdk.java.net/18/release-notes

  *   Significant changes since the last availability email:

     *   JDK-8271745: Fix Issues With the KW and KWP Modes of SunJCE Provider
     *   JDK-8262186: Call X509KeyManager.chooseClientAlias once for all key types
     *   JDK-8225083: Remove Google certificate that is expiring in December 2021
     *   JDK-8251329: Zip File System Provider Throws ZipException when entry name element contains "." or ".."
     *   JDK-8225082: Remove IdenTrust certificate that is expiring in September 2021
     *
Project Loom Early-Access Builds


  *   Build 18-loom+2-74 (2021/8/7) based on jdk-18+9<https://github.com/openjdk/jdk/releases/tag/jdk-18%2B9> is available - https://jdk.java.net/loom/
  *   These early access, open source builds are provided under the GNU General Public License, version 2, with the Classpath Exception<https://openjdk.java.net/legal/gplv2+ce.html>.
  *   Please send feedback via e-mail to loom-dev at openjdk.java.net<mailto:loom-dev at openjdk.java.net>. To send e-mail to this address you must first subscribe to the mailing list<https://mail.openjdk.java.net/mailman/listinfo/loom-dev>.



Rgds, Deepak



[1] https://mail.openjdk.java.net/pipermail/jdk-dev/2021-September/006037.html

[2] https://openjdk.java.net/projects/jdk/17/