Cloud Agent for Linux on zSystem Release 3.31.1

Limited Customer Release

April 17, 2026

We are introducing the following new updates for ZLinux Cloud Agent.

Updated Cloud Agent Signing Key

We have updated the Cloud Agent package signing key from SHA-1 to SHA-256. The new Cloud Agent signing key complies with the latest security standards and ensures that Cloud Agent packages are authentic and unmodified.

Behavior Changes

There are no behavior changes in this release.

Platform Coverage Support

No new platform coverage added in this release.

Issues Addressed

There are no important and notable issues for this release.

Known Issues, Limitations, and Workarounds

There are no known issues or limitations in this release.