[Jython-dev] JDK 16 is now in the Release Candidate Phase

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

*Hi All, *

*Per the JDK 16 schedule , we are in the Release Candidate Phase**[1] .*

*Please advise if you find any issues while testing the latest Early 
Access builds.*

  * Schedule for JDK 16
      o *2021/02/04 Initial Release Candidate*
      o 2021/02/18 Final Release Candidate
      o 2021/03/16 General Availability
  * Release Notes [2]

OpenJDK 16 Early Access build 35**is now available at 
http://jdk.java.net/16 <http://jdk.java.net/16>

  * These early-access, open-source builds are provided under the GNU
    General Public License, version 2, with the Classpath Exception
    <http://openjdk.java.net/legal/gplv2+ce.html>.
  * Features [3] - the overall feature set is frozen. No further JEPs
    will be targeted to this release.
  * Changes in recent builds that maybe of interest:
      o Build 34:
          + JDK-8259025: Record compact constructor using
            Objects.requireNonNull
              # Reported by JUnit5
      o Build 32:
          + JDK-8259014: Incomplete support for Unix domain sockets in
            Windows 2019 Server

  * JDK 16 - topics of interest:
      o Unix domain socket channels (JEP-380) overview:
        https://inside.java/2021/02/03/jep380-unix-domain-sockets-channels/
        <https://inside.java/2021/02/03/jep380-unix-domain-sockets-channels/>
      o Java Feature Spotlight: Pattern Matching
        https://inside.java/2021/01/22/feature-spotlight-pattern-matching/
        <https://inside.java/2021/01/22/feature-spotlight-pattern-matching/>
      o Foreign Memory Access - Pulling all the thread
        https://inside.java/2021/01/25/memory-access-pulling-all-the-threads/
        <https://inside.java/2021/01/25/memory-access-pulling-all-the-threads/>
  * General – topic of interest:
      o Inside Java Episode 11 “How to contribute to OpenJDK” with
        Stuart Marks and Jesper Wilhelmsson
        https://inside.java/2021/01/29/podcast-011/
        <https://inside.java/2021/01/29/podcast-011/>


Project Lanai EA 9 Build 17-lanai+2-49 (2021/1/20) 
<http://jdk.java.net/lanai/> is available now

  * These early-access builds are provided under the GNU General Public
    License, version 2, with the Classpath Exception
    <http://openjdk.java.net/legal/gplv2+ce.html>
  * EA builds are intended for developers looking to test and provide
    feedback on using Project Lanai.
  * This is a macOS-specific project which implements a new Java 2D
    graphics rendering pipeline for macOS.
  * Project Lanai Wiki: https://wiki.openjdk.java.net/display/lanai/Main
    <https://wiki.openjdk.java.net/display/lanai/Main>
  * Please send feedback via e-mail to lan...@op...
    <mailto:lan...@op...>. To send e-mail to this address
    you must first subscribe to the mailing list
    <https://mail.openjdk.java.net/mailman/listinfo/lanai-dev>.

Project Loom Build 17-loom+2-42 (2021/1/14) <http://jdk.java.net/loom/> 
based on JDK-17+5 
<https://github.com/openjdk/jdk/releases/tag/jdk-17%2B5> is available now

  * These early-access builds are provided under the GNU General Public
    License, version 2, with the Classpath Exception
    <http://openjdk.java.net/legal/gplv2+ce.html>
  * These builds are intended for developers looking to "kick the tyres"
    and provide feedback on using the API or by sending bug reports.
  * API Javadoc :
    https://download.java.net/java/early_access/loom/docs/api/
    <https://download.java.net/java/early_access/loom/docs/api/>
  * 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
    <http://mail.openjdk.java.net/mailman/listinfo/loom-dev>.

OpenJDK 17 Early Access build 8**is now available at 
http://jdk.java.net/17 <http://jdk.java.net/17>

  * These early-access, open-source builds are provided under the GNU
    General Public License, version 2, with the Classpath Exception
    <http://openjdk.java.net/legal/gplv2+ce.html>.
  * Changes in recent builds that maybe of interest:
      o Build 8:
          + JDK-8222850: Misleading cascade compiler error in switch
            expression with undefined vars
              # Reported by jOOQ.
          + JDK-8217633: Configurable extensions with system properties
          + JDK-8249867: DOM LSSerializer control of newline after XML
            header
          + JDK-8256421: Added 2 HARICA Root CA Certificates
          + JDK-8259801: Enable XML Signature secure validation mode by
            default
      o Build 7:
          + JDK-8165276: Spec states to invoke the premain method in an
            agent class if it's public but implementation differs
          + JDK-8256895: Add support for RFC 8954: Online Certificate
            Status Protocol (OCSP) Nonce Extension
      o Build 6:
          + JDK-8259048: (tz) Upgrade time-zone data to tzdata2020f

January 2021 Critical Patch Update Released:

  * As part of the Jan 2021 CPU we released JDK 15.0.2, JDK 11.0.10 LTS,
    JDK 8u281, and JDK 7u291 as well as OpenJDK 15.0.2 (publicly available).

Rgds, Rory

[1] 
https://mail.openjdk.java.net/pipermail/jdk-dev/2021-February/005062.html 
<https://mail.openjdk.java.net/pipermail/jdk-dev/2021-February/005062.html>
[2] https://jdk.java.net/16/release-notes 
<https://jdk.java.net/16/release-notes>
[3] http://openjdk.java.net/projects/jdk/16/ 
<http://openjdk.java.net/projects/jdk/16/>

-- 
Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland