What's new and changed in Decision Optimization

Decision Optimization 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 Decision Optimization

Ready to install or upgrade Decision Optimization?

  • To install Decision Optimization along with the other IBM® Software Hub services, see Installing IBM Software Hub.
  • To upgrade Decision Optimization along with the other IBM Software Hub services, see Upgrading IBM Software Hub.
  • To install or upgrade Decision Optimization independently, see Decision Optimization.
    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 Decision Optimization was released in June 2026 with IBM Software Hub 5.4.0.

Operand version: 13.0.0

This release includes the following changes:

New features
This release of Decision Optimization includes the following features:
Compare and visualize scenario differences in a Decision Optimization experiment

You can now compare and visualize differences and similarities between two scenarios in a Decision Optimization experiment. By comparing scenarios, you can better understand how different model formulations, data, and parameters impact your optimization results.

Customer-reported issues fixed in this release
For a list of customer-reported issues that were fixed in this release, see the Fix List for IBM Cloud Pak for Data on the IBM Support website.
Security issues fixed in this release
The following security issues were fixed in this release:

CVE-2026-41675, CVE-2026-41674, CVE-2026-41673, CVE-2026-41672.

Deprecated features
The following features were deprecated in this release:
Decision Optimization runtime version do_20.1 is deprecated

The do_20.1 runtime, which is based on CPLEX 20.1, is now deprecated, and will soon be removed. This runtime is now deprecated, and will soon be removed. When you deploy Decision Optimization models, use the do_22.1 runtime that is based on CPLEX 22.1 as the software specification. You can update existing deployments with either the REST API or the UI.