Xpress-Optimizer and Xpress-SLP patch 28.01.16 for Xpress 7.9 is now available on FTP and Box for Windows 64 and 32, Linux 64 and Mac 64 from
Xpress-Optimizer release notes:
* Fixed an issue with MIP presolving that could result in incorrect solutions being returned.
* Fixed an issue in the connected component presolver related to sub-optimal solutions.
Xpress-Nonlinear release notes:
<No changes since 28.01.13>
This is the latest Xpress-Optimizer and Xpress-SLP patch for the Xpress 7.9 release branch. Please note that it must be installed over a prior installation of FICO Xpress 7.9 and requires a valid Xpress 7.9 license.