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20.10.0.0

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20.10.0.0

Release Notes PDF

Release date: October 30, 2020

This release corresponds to the following OpenJDK versions:

Major Version OpenJDK Version

7

7u281

8

8u271

11

11.0.8.0.101+5

What’s New

  • Zing 20.10.0.0 brings the associated JDK 7, JDK 8, JDK 11 and JDK 13 versions to October 2020 Critical Patch Update (CPU) security update levels and incorporates changes related to OpenJDK 7u281, OpenJDK 8u271, OpenJDK 11.0.8.0.101, and OpenJDK 13.0.4.0.101 release contents.

  • Zing 20.10.0.0 includes loop form fixes to increase performance of loops by simplified triggering of enabled vectorization methods. The optimization is enabled by default.

  • Zing 20.10.0.0 contains an improved allocation mechanism which has a positive impact on Zing’s performance. The optimization is enabled by default.

  • Zing 20.10.0.0 introduces method counters across JVM runs, which enables ReadyNow to build a profile over multiple short runs when the number of orders is low.

Resolved Issues

Issue ID Description

ZVM-17662

Fix confusing error message when calling Zing MXBeans APIs without specifying -XX:+UseZingMXBeans.

ZVM-17168

Checkpoint timeout crash while running async-profiler along with Zing.

ZVM-16971

Compiler crash with signature polymorphic invokedynamic calls.

Known Issues

There are no new issues to report in this release.