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METIS discussion

Status: Open.

#2659 In ERGO-Code/HiGHS;

· odow opened on Nov 20, 2025

Some sample real-world MPS files and their results from HiGHS

Status: Open.

#2658 In ERGO-Code/HiGHS;

· MincingWords opened on Nov 20, 2025

OR-Tools issues

Status: Open.

#2654 In ERGO-Code/HiGHS;

· jajhall opened on Nov 17, 2025

Model mas76 leads to message [ERROR: Setting model status to Solve error]

MIP

Status: Open.

#2653 In ERGO-Code/HiGHS;

· romz-pl opened on Nov 17, 2025

Further IIS enhanement

enhancementNew feature or requestNew feature or request

LP

MIP

Status: Open.

#2652 In ERGO-Code/HiGHS;

· jajhall opened on Nov 17, 2025

When primal simplex is optimal with bound shifts, avoid primal corrections when recomputing the primal values: return and use dual simplex to clean up

code-quality

LP

Simplex

Status: Open.

#2643 In ERGO-Code/HiGHS;

· shwhmmmam opened on Nov 10, 2025

Use weak references in highspy to allow garbage collection

code-quality

Python

Status: Open.

#2641 In ERGO-Code/HiGHS;

· BenChampion opened on Nov 10, 2025

Building new HiGHS from source in windows with Microsoft Visual Studio (cmake) asks multiple times to open a .vfproj file

Status: Open.

#2637 In ERGO-Code/HiGHS;

· peno64 opened on Nov 4, 2025

Could not find METIS_PATH using the following files: metis.h

Build

HiPO

Status: Open.

#2618 In ERGO-Code/HiGHS;

· jschueller opened on Oct 29, 2025

undefined reference to `cblas_daxpy'

Build

HiPO

Status: Open.

#2617 In ERGO-Code/HiGHS;

· jschueller opened on Oct 29, 2025

v1.12.0 (git hash: 755a8e0) silent failure with concurrent processes and cbMipUserSolution handling.

Status: Open.

#2615 In ERGO-Code/HiGHS;

· Thell opened on Oct 29, 2025

Consider "light" use of sparse user-supplied MIP solution

enhancementNew feature or requestNew feature or request

MIP

Status: Open.

#2610 In ERGO-Code/HiGHS;

· jajhall opened on Oct 26, 2025