Cloud Native Compiler users may experience connection errors and longer than usual compile times.
25.08.1.0
25.08.1.0
Release date: October 6, 2025
This release is based on the Azul Zing Build of OpenJDK (Zing) 25.08.0.0 and corresponds to the following OpenJDK versions:
| Major Version | OpenJDK Version |
|---|---|
8 |
1.8.0_462-b8 |
11 |
11.0.28+6-LTS |
17 |
17.0.16+8-LTS |
17 CRaC |
17.0.16+8-LTS |
21 |
21.0.8+9-LTS |
21 CRaC |
21.0.8+9-LTS |
What’s New
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Zing 25.08.1.0 includes the General Availability (GA) release of Azul Zing Builds of OpenJDK (Zing) with CRaC. Zing with CRaC is available for Java versions 17 and 21 for all Zing-supported systems.
For more information about Zing with CRaC, check out our CRaC documentation page, and for information about how CRaC differs between Core and Prime, including CRaC features not supported in Prime, check out our page comparing CRaC in Zing and Zulu.
You can find Zing with CRaC packages on our Customer Downloads page.
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Zing 25.08.1.0 includes a number of CNC bugfixes and improvements.
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The traceability of CNC client has been improved by introducing the
concomp+grpcunified log tag to trace the transport layer. If you are using the option-Xlog:concomp, switch to-Xlog:concomp*(with the wildcard at the end) to guarantee backwards compatibility.
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Known Issues
| Issue ID | Description |
|---|---|
ZVM-36615 |
|
ZVM-34474 |
Open JDK build number for JDK 8 is displayed incorrectly in |
Known Issues with CRaC on Zing
| Issue ID | Description |
|---|---|
ZVM-34498 |
Restored process does not get transparent huge pages when system THP is configured in “madvise” mode. |
ZVM-36512 |
Crash with large object allocation stress test during restore. |
ZVM-36459 |
Verification of compatible CPU features is disabled due to its impact on restore startup time. |
ZVM-36499 |
Crash when using |