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FICO® Xpress Optimization Blog
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FICO Decision Optimizer 9.6 – May 2026

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FICO
Community Manager
5 months ago
Decision Optimizer 9.6 delivers new features and key enhancements in Tree Aware Optimization.
  • This release includes enhancements in Tree Aware Optimization:
    • New Step Constraints extend the Consistency Constraints to enforce a configurable minimum ranking-step difference in assigned treatments, or alternatively relax the constraint up to a configured difference
    • For Tree Templates, base tree variable names no longer need to exactly match project entities – they can now be mapped arbitrarily, providing greater flexibility
    • Multiple tree metrics are now collected for every generated tree, including exploration scenarios, and available in reporting
Note: This release of Decision Optimizer requires a minimum version of Xpress 9.9 and Xpress Insight 5.17.2.

Additionally, the Action Effect Modeling 2.6 release includes the following new features and changes:
  • Actions and Predictors: added user-set label column for better organization
  • Binning tables: added orange boarders as visual indicators for unapplied editable cell values
  • Sample generation: Added random holdout with seed-fixing capability for reproducible results
  • Error and warning visibility: added new drawer for message review from last execution.
Note: This release of Action Effect Modeling requires a minimum version of Xpress 9.9 and Xpress Insight 5.17.2.
Updated 5 months ago
Version 3.0
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