JDK 13 - Early Access build 20 is available

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JDK 13 - Early Access build 20 is available

Rory O'Donnell

Hi All,

OpenJDK builds  - JDK 13 - Early Access build 20 is available at http://jdk.java.net/13/

Significant changes since the last availability email

  • build 20
    • Removal of T-Systems Deutsche Telekom Root CA 2 certificate (JDK-8222137)
    • Add new FileSystems.newFileSystem methods (JDK-8218875)
    • Enhance auto vectorization for x86 (JDK-8222074)
    • Remove CollectorPolicy and its subclasses (JDK-8198505)
    • Drop support for pre JDK 1.4 SocketImpl implementations (JDK-8216978)
  • build 19
    • add support for generating method handles from a variable symbol (JDK-8222744)
    • mark new VM option AllowRedefinitionToAddOrDeleteMethods as deprecated (JDK-8222934)
  • build 18
    • Improve String::equals warmup characteristics (JDK-8215017)
    • [Containers] Improve systemd slice memory limit support (JDK-8217338)

Bug fixes for issues reported by Open Source Projects 

  • build 20
    • assert(Compile::current()->live_nodes() < Compile::current()->max_node_limit()) failed: Live Node limit exceeded limit (JDK-8219520)
    • C2: MemNode::can_see_stored_value() ignores casts which carry control dependency (JDK-8219902)
    • New fix of the deadlock in sun.security.ssl.SSLSocketImpl (JDK-8219991)

JEP updates since last email

OpenJDK Committers’ Workshop, 1–2 August 2019 [2]


[1] http://jdk.java.net/13/release-notes
[2] https://mail.openjdk.java.net/pipermail/announce/2019-April/000269.html
Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland