This page provides important notices about releases that may affect your upgrade efforts to the newest CloudBees CD/RO release.
Upgrade notes
The following upgrade notes affect this release:
- v2025.09.1 upgrade encountered error during startup
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While upgrading to version 2025.09.1, users may encounter an error in the init job log during startup. This error is related to the script intended to fix the duplicated records issue.<br/> As a result, the upgrade process may fail, preventing successful initialization.<br/> <br/> Affected Version: CD 25.09.1<br/> Fixed In: CD 25.09.2<br/> Severity: SEV-1 (Critical)<br/> Reproducibility: Always
- Upgraded Jetty servlet to address security vulnerabilities
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Jetty upgraded from 11.0.24 to 12.0.16 version to address security vulnerabilities.
- Updated Zookeeper version
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ZooKeeper has been upgraded to version 3.9.4.
Installation notes
The following information is a running list of installation notes, intended to help understand changes across versions: