Java, Semeru Runtimes and Runtimes for Business

Java, Semeru Runtimes and Runtimes for Business

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IBM Semeru Runtime Certified Edition for z/OS 3Q25 Update (v11.0.28.0, v17.0.16.0 and v21.0.8.0) is Released!

By PAUL AROCKIAM posted 3 hours ago

  

We are pleased to announce the general availability of IBM® Semeru Runtime™ Certified Edition for z/OS® v11.0.28.0, v17.0.16.0 and v21.0.8.0 (3Q25 Quarterly Update). These releases contain new features and value-adds along with the latest security update from OpenJDK 11.0.28+8, 17.0.16+8 and 21.0.8+9 (Jul'25 CPU Update) respectively. The binaries have been made available on our standard distribution sites as on 26th Aug 2025.

New Features and Key Contents in IBM Semeru Runtime Certified Edition for z/OS 11.0.28.0, 17.0.16.0 and 21.0.8.0:

  • These releases contain features and fixes from the latest release of the Eclipse OpenJ9 project, as listed in the Version 0.53 OpenJ9 user documentation.
    • Offheap support is added for the balanced GC policy.
    • New JDK Flight Recorder (JFR) events are added.
  • Support for z/OS 3.2.
  • The Java Batch Launcher and Toolkit for z/OS (JZOS) enhancements (v17+)
    • The JZOS is enhanced to implement the AutoCloseable interface for its File and Stream classes.
    • A new option JZOS_STRICT_JCL_CONFIG is added to the JZOS Batch Launcher, allowing it to automatically end a Java batch job if the job's JCL is missing a DD:STDOUT statement.
    • The JZOS Batch Launcher is enhanced to detect mismatched quotations in the in-stream data that is specified in the //STDENV DD statement, which is used to configure the Java runtime environment.

Download Links:

  • IBM Semeru Runtime Certified Edition for z/OS 11.0.28.017.0.16.0 and 21.0.8.0 are available on Java Information Manager (JIM) (IBM Only Access).
  • Downloads of IBM Semeru Runtime Certified Edition for z/OS 11.0.28.017.0.15.0 and 21.0.7.0 are also available at EPWT site.
  • The SMP/E installable format is available only through Shopz. Visit the Shopz website at Shopzseries.

Additional Information:

  • Documentation for IBM Semeru Runtime Certified Edition for z/OS Version 11 is available here.
  • Documentation for IBM Semeru Runtime Certified Edition for z/OS Version 17 is available here.
  • Documentation for IBM Semeru Runtime Certified Edition for z/OS Version 21 is available here.
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