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FICO® Xpress Optimization Blog
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FICO® Xpress 9.8 Mosel 6.10.2 – October 2025

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FICO
Community Manager
11 months ago
Xpress Mosel is the premier algebraic modeling and programming language. Its best-in-class functionality enables operations researchers, and modeling experts to rapidly develop and deploy optimization solutions that solve complex, real-world business problems. It provides an easy-to-learn, robust way to interact with solver engines, and tightly integrates with Xpress Insight to deploy models into powerful, business user-friendly applications.

The Xpress Mosel 6.10.2 release includes a toolkit for Mosel-based makefiles. In detail, we added the features listed below:
  • A new package ‚makeutil‘ has been included into the Xpress distribution.
    • It is a toolkit that provides a collection of subroutines to ease the implementation of Mosel-based makefiles.
    • Documentation can be found in a new section of ‘Mosel Language Reference’
  • Minor enhancements
    • 'sysinfo' now also reports the endianness of the CPU running the instance (tag SYS_ENDIAN).
    • Compiler update: XPRMexecmod no longer replaces an already loaded model if it is called several times with the same model source file.
To learn more, we encourage you to attend our upcoming webinar. Click here to register.

Visit the Xpress release notes to learn more.
Updated 11 months ago
Version 2.0
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