What's new and changed in watsonx Code Assistant

watsonx Code Assistant 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 watsonx Code Assistant

Ready to install watsonx Code Assistant?

To install watsonx Code Assistant along with the other IBM® Software Hub services, see Installing IBM Software Hub.
To install watsonx Code Assistant independently, see watsonx Code Assistant.
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 was released in June 2026 with IBM Software Hub 5.4.0.

Operand version: 5.4.0

This release includes the following changes:

Security issues fixed in this release: The following security issues were fixed in this release:
CVE-2026-4786, CVE-2026-4878, CVE-2026-6100, CVE-2026-6321, CVE-2026-6322, CVE-2026-8723, CVE-2026-28684, CVE-2026-29111, CVE-2026-41650, CVE-2026-41907, CVE-2026-42033, CVE-2026-42034, CVE-2026-42035, CVE-2026-42036, CVE-2026-42037, CVE-2026-42038, CVE-2026-42039, CVE-2026-42040, CVE-2026-42041, CVE-2026-42042, CVE-2026-42043, CVE-2026-42044, CVE-2026-42264, CVE-2026-42561, CVE-2026-44665, CVE-2026-44843