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26.05.0.0

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26.05.0.0

Release Notes PDF

Release date: June 5, 2026

This release is based on the Azul Zing Build of OpenJDK (Zing) 26.04.0.0 and corresponds to the following OpenJDK versions:

Major Version OpenJDK Version

8

1.8.0_491-b3

11

11.0.30.0.101+1-LTS

17

17.0.18.0.101+1-LTS

21

21.0.10.0.101+1-LTS

25

25.0.2.0.101+1-LTS

What’s New

  • Zing 26.05.0.0 includes the Metaspace MemoryPool MXBean, for OpenJDK compatibility. This MXBean initializes a memory manager and dummy memory pool. However, since Zing tracks metadata in the Java Heap, included in the existing Zing Heap MXBean, it always reports 0 usage. The Metaspace MemoryPool MXBean is disabled by default and can be enabled using the command line option -XX:+EnableMetaspacePoolMXBean.

Known Issues

  • There are no new issues to report in this release.

Resolved Issues

  • There are no resolved issues associated with this release.