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[jetty-dev] Release Announcement: General Availability of Java 14 / JDK 14

 Hi Simone,

Release Announcement: General Availability of Java 14 / JDK 14 [1]

  • JDK 14, the reference implementation of Java 14, is now Generally Available.
  • GPL-licensed OpenJDK builds from Oracle are available here:
  • JDK 14 Release notes

JDK 14  includes sixteen features [2]:

  305: Pattern Matching for instanceof (Preview)
  343: Packaging Tool (Incubator)
  345: NUMA-Aware Memory Allocation for G1
  349: JFR Event Streaming
  352: Non-Volatile Mapped Byte Buffers
  358: Helpful NullPointerExceptions
  359: Records (Preview)
  361: Switch Expressions (Standard)
  362: Deprecate the Solaris and SPARC Ports
  363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector
  364: ZGC on macOS
  365: ZGC on Windows
  366: Deprecate the ParallelScavenge + SerialOld GC Combination
  367: Remove the Pack200 Tools and API
  368: Text Blocks (Second Preview)
  370: Foreign-Memory Access API (Incubator)

Thanks to everyone who contributed to JDK 14, whether by creating features or enhancements, logging  bugs, or downloading and testing the early-access builds.

OpenJDK 15 EA build 14 is now available at

  • These early access, open source builds are provided under the GNU General Public License, version 2, with the Classpath Exception.
  • Significant changes since the last availability email:
    • Build 13 - JDK-8238555: Allow Initialization of SunPKCS11 with NSS when there are external FIPS modules in the NSSDB
    • Build 10 - JDK-8237776: Shenandoah: Wrong result with Lucene test
      • Reported by Apache Lucene.
    • Build 9 - JDK-8222793: Javadoc tool ignores "-locale" param and uses default locale for all messages and texts
      • Reported by Apache Lucene.

Project Metropolis Early-Access Builds - Build 14-metropolis+1-17 (2020/3/5)



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

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