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From "Rory O'Donnell" <>
Subject JDK 16 is in Rampdown Phase One
Date Sun, 13 Dec 2020 16:30:20 GMT
Hi Stefan/Jaikiran,

*Per the JDK 16 schedule , we are in Rampdown Phase One* *[1] .

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

  * Schedule for JDK 16
      o *2020/12/10 Rampdown Phase One*
      o 2021/01/14  Rampdown Phase Two
      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 28**is now available at

  * Features - the overall feature set is frozen. No further JEPs will
    be targeted to this release.
  * Significant Integrations in b28:
      o *Integrated JEP 396: **Strongly Encapsulate JDK Internals by
        Default <>**
          + Strongly encapsulate all internal elements of the JDK by
            default, except for critical internal APIs
            <> such as
          + Allow end users to choose the relaxed strong encapsulation
            that has been the default since JDK 9.
      o Integrated JEP 397: Sealed Classes (Second Preview)
        <> with this release.
          + Enhance the Java programming language with sealed classes
            and interfaces
          + Refines JEP 360 <> which
            was delivered in JDK 15 as a preview feature.

  * These early-access , open-source builds are provided under the GNU
    General Public License, version 2, with the Classpath Exception
  * Changes in recent builds that maybe of interest:
      o Build 28
          + JDK-8256299: JEP 396: Strongly Encapsulate JDK Internals by
          + JDK-8166596: TLS support for the EdDSA signature algorithm
          + JDK-8256718: Old tracing flags are now obsolete and must be
            replaced with unified logging
      o Build 27
          + JDK-8159746: (proxy) Support for default methods
          + JDK-8254631: Better support ALPN byte wire values in SunJSSE

Project Loom Early-Access: *Build 16-loom+9-316 
<>* (2020/11/30) - based on JDK-16+25 

  * These early-access builds are provided under the GNU General Public
    License, version 2, with the Classpath Exception
  * These builds are intended for developers looking to "kick the tyres"
    and provide feedback on using the API or by sending bug reports.
  * Please send feedback via e-mail to
    <>. To send e-mail to this address
    you must first subscribe to the mailing list

Rgds, Rory


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