Xpress update 8.1.5

Document created by Michael.Perr on Aug 30, 2017
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Xpress update 8.1.5 is now available on Box.com for Windows, Linux and Mac from




Xpress-Optimizer 30.01.09 release notes:


* Fixed an issue with quadratic bound reduction that might trigger a crash.


Xpress-Nonlinear 30.01.09 release notes:


* Improved the numerical behaviour of quadratic problems.


This is the latest update for the Xpress 8.1 release branch. Please note that it must be installed over a prior installation of FICO Xpress 8.1 and requires a valid Xpress 8.1 license.