[Jython-dev] Release Announcement: General Availability of Java 17 / JDK 17

[Rory O'D. <ror...@or...>]

Hi All,

*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/ <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 
<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/ <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:
      o JEP 400: UTF-8 by Default <https://openjdk.java.net/jeps/400>
      o 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
    <https://jdk.java.net/18/release-notes>

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

*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/ <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 loo...@op...
    <mailto:loo...@op...>. 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,Rory


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

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