Xpress Update 8.13.4 is now available for Window, Linux, MacOS and Solaris on x86-64 and Linux on AArch64 here.
This is the latest update for the Xpress 8.13 release branch. Please note that the Windows, Linux, or Solaris archives must be extracted over a prior installation of FICO Xpress 8.13. This update requires an Xpress 8.13 license.
Release Notes:
Xpress Optimizer 39.01.5
Xpress Nonlinear 39.01.05
Xpress Solver Interfaces 39.01.05(Python, R, Matlab, .NET, Java)
This is the latest update for the Xpress 8.13 release branch. Please note that the Windows, Linux, or Solaris archives must be extracted over a prior installation of FICO Xpress 8.13. This update requires an Xpress 8.13 license.
Release Notes:
Xpress Optimizer 39.01.5
- Fixed an issue with symmetry probing that could result in memory corruption.
- Fixed an issue with MIP tree restart for problems with indicators that could lead to a crash.
- Fixed an issue with MIQP containing indicators that could result in a wrong solution being returned.
- Fixed a problem with setting XPRS_COMPUTE when the same environment variable is set.
- Fixed a performance problem in the clique lifting module of the MILP presolver.
- Fixed a problem where an incorrect message about non-convexity could be printed for a quadratic problem instead of an out-of-memory.
- Fixed a data initialization after restoring an LP from a save file.
- Correctly identify situations in which XPRSstrongbranch is not applicable.
Xpress Nonlinear 39.01.05
- Fixed a problem with incorrectly reporting a globally optimal solution as a local one.
- Fixed a problem with XSLPgetrowstatus not reporting enforced status.
- Fixed a potential memory corruption in XSLPgetslpsol.
Xpress Solver Interfaces 39.01.05(Python, R, Matlab, .NET, Java)
- [Python] Fixed a problem where the Xpress module would fail to load in certain versions of Python on macOS due to hardened runtime settings.
Updated 4 years ago
Version 3.0