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FICO® Xpress Optimization Blog
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FICO® Xpress Workbench 3.18 – February 2026

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FICO
Community Manager
8 months ago
Xpress Workbench 3.18

Xpress Workbench is the technology component of Xpress Optimization which provides an Integrated Development Environment (IDE) that allows Operations Research professionals, Data Scientists, and Solution Developers to rapidly and collaboratively develop analytic and optimization models, services, and Xpress Insight apps written in Python or Xpress Mosel. It also supports Xpress Mosel—the premier algebraic modelling and optimization language.

This release comes with important updates and enhancements:
  • Updates to the Mosel module mminsight
  • Major stack update including update to Node 24, which in turn required switch to 64-bit build on Windows
  • Maintenance updates addressing known security vulnerabilities and defect fixes
For more information and a detailed list of features and fixes, we recommend you read the Xpress release notes.
Updated 8 months ago
Version 3.0
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