What's new and changed in watsonx Code Assistant for Z Agentic

watsonx Code Assistant for Z Agentic updates can include new features and fixes. Releases are listed in reverse chronological order so that the latest release is at the beginning of the topic.

You can see a list of the new features for the platform and all of the services at What's new in IBM Software Hub.

Installing or upgrading watsonx Code Assistant for Z Agentic

Ready to install or upgrade watsonx Code Assistant for Z Agentic?

  • To install watsonx Code Assistant for Z Agentic along with the other IBM® Software Hub services, see Installing IBM Software Hub.
  • To upgrade watsonx Code Assistant for Z Agentic along with the other IBM Software Hub services, see Upgrading IBM Software Hub.
  • To install or upgrade watsonx Code Assistant for Z Agentic independently, see watsonx Code Assistant for Z Agentic.
    Remember: All of the IBM Software Hub components associated with an instance of IBM Software Hub must be installed at the same version.

IBM Software Hub Version 5.4.0

A new version of watsonx Code Assistant for Z Agentic was released in June 2026 with IBM Software Hub 5.4.0.

Operand version: 2.8.30

This release includes the following changes:

New features
This release of watsonx Code Assistant for Z Agentic includes the following features:
Track the usage metrics using UMS (Usage Metering Service)
You can now track the usage metrics for IBM watsonx Code Assistant for Z using UMS (Usage Metering Service). It helps you to monitor product usage, ensure license compliance, and gain deeper insights into how the tool is being adopted. UMS is enabled by default.
Gain real-time visibility into applications using IBM Instana
You can now gain real-time visibility into your applications, infrastructure, and dependencies using IBM Instana. It helps you to understand what’s happening inside your systems by examining the telemetry data, such as logs, metrics, traces or API flows.

By default, IBM Instana is disabled. To enable Instana metric collection, run the following patch command:

oc patch wcazagents wcazagents-cr -n <NAMESPACE> --type='json' -p='[{"op": "replace", "path": "/spec/enableInstanaMetricCollection", "value": true}]'

Replace <NAMESPACE> with the namespace where your agents are deployed.

Security issues fixed in this release
The following security issues were fixed in this release:

CVE-2025-10158