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Possibly permute the variables and constraints of the model randomly

#2845

· jajhall opened

on Feb 11, 2026

Possibly ensure that matrix and Hessian indices are increasing

#2844

· jajhall opened

on Feb 11, 2026

Rewrite the handling of <code>QMATRIX</code> and <code>QUADOBJ</code> sections, and Hessian passed by user.

#2821

· jajhall opened

on Feb 6, 2026

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

#2806

· jeffreydeankelly2 opened

on Feb 4, 2026

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

#2797

· jajhall opened

on Feb 2, 2026

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

#2759

· odow opened

on Jan 19, 2026

Segfault in <code>highsSparseTranspose</code>

#2748

· jajhall opened

on Jan 14, 2026

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

#2742

· jajhall opened

on Jan 11, 2026

Improve Python Documentation

#2726

· galabovaa opened

on Jan 5, 2026

[Callback] A possible improvement to setCallback()

#2717

· JunchengLiamLi opened

on Dec 30, 2025

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

#2710

· jajhall opened

on Dec 19, 2025

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

#2693

· jajhall opened

on Dec 15, 2025