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Nondeterministic kSolveError

Status: Open.

#2810 In ERGO-Code/HiGHS;

· oxinabox opened on Feb 5, 2026

HiGHS 1.13 Terminates MIP Prematurely Similar to Issue #1865 Using Same Problem

bug

MIP

MIP Presolve

Status: Open.

#2806 In ERGO-Code/HiGHS;

· jeffreydeankelly2 opened on Feb 4, 2026

Consider using a larger value for <code>ipm_optimality_tolerance</code> when solving the analytic centre LP

enhancementNew feature or requestNew feature or request

MIP

Status: Open.

#2797 In ERGO-Code/HiGHS;

· jajhall opened on Feb 2, 2026

HiGHS Infinite Loop 32 bit RelWithDebInfo

bug

Hanging

linux

MIP

Status: Open.

#2786 In ERGO-Code/HiGHS;

· Opt-Mucca opened on Jan 29, 2026

Allow other solvers to use <code>Highs::lpKktCheck</code>

enhancementNew feature or requestNew feature or request

Status: Open.

#2763 In ERGO-Code/HiGHS;

· jajhall opened on Jan 21, 2026

A sequence of LP solves can confuse HiGHS into thinking the problem is cycling

bug

code-quality

Status: Open.

#2759 In ERGO-Code/HiGHS;

· odow opened on Jan 19, 2026

Segfault in <code>highsSparseTranspose</code>

code-quality

Status: Open.

#2748 In ERGO-Code/HiGHS;

· jajhall opened on Jan 14, 2026

Refactor <code>Highs::optimizeModel()</code>

code-quality

Status: Open.

#2742 In ERGO-Code/HiGHS;

· jajhall opened on Jan 11, 2026

Improve Python Documentation

Documentation

Status: Open.

#2726 In ERGO-Code/HiGHS;

· galabovaa opened on Jan 5, 2026

[Callback] A possible improvement to setCallback()

code-quality

Status: Open.

#2717 In ERGO-Code/HiGHS;

· JunchengLiamLi opened on Dec 30, 2025

Allow HiGHS to use the heap sort in <code>HEkkDualRow::chooseFinal()</code>

enhancementNew feature or requestNew feature or request

LP

Simplex

Status: Open.

#2710 In ERGO-Code/HiGHS;

· jajhall opened on Dec 19, 2025

Use at most the default dual feasibility tolerance in primal simplex phase 1

enhancementNew feature or requestNew feature or request

LP

Simplex

Status: Open.

#2693 In ERGO-Code/HiGHS;

· jajhall opened on Dec 15, 2025