JDK 13 - Early Access build 20 is available

Hi All,

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

• These early-access , open-source builds are provided under the
  
• GNU General Public License, version 2, with the Classpath Exception.
• Changes in this build
  
• Release notes [1]
  

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

• JEP 350: Dynamic CDS Archives  is targeted for JDK 13.
• JEP 351: ZGC: Uncommit Unused Memory is targeted for JDK 13
• JEP 353: Reimplement the Legacy Socket API moved to Candidate
  
• JEP 354: Switch Expressions moved to Candidate.

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

Rgds,Rory

[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