Issues

• Issues with csv statistics

  coin-or/Cbc#833 · Filter by author SYury opened on Oct 22, 2026

• Master reports a suboptimal solution as optimal

  coin-or/Cbc#829 · Filter by author hodangkhoinguyen opened on Oct 21, 2026

• Feasible model declared infeasible with preprocessing enabled

  coin-or/Cbc#828 · Filter by author hodangkhoinguyen opened on Oct 21, 2026
  1

• Wrong objective value with preprocessing enabled

  coin-or/Cbc#827 · Filter by author hodangkhoinguyen opened on Oct 21, 2026
  2

• Proposal: merge next and master

  coin-or/Cbc#821 · Filter by author tkralphs opened on Oct 21, 2026

• log format / status changes versions >= 2.931

  coin-or/Cbc#820 · Filter by author pchtsp opened on Oct 21, 2026
  2

• Missing precision parameter in the latest release

  coin-or/Cbc#814 · Filter by author Sumrak1337 opened on Oct 19, 2026

• maximization models lose the warm start

  coin-or/Cbc#796 · Filter by author andig opened on Oct 5, 2026
  2

• missing sensitivity with semi countinous variables

  coin-or/Cbc#791 · Filter by author raller09 opened on Sep 8, 2026
  4

• Format string error in CbcOutput.cpp

  coin-or/Cbc#789 · Filter by author christoph-cullmann opened on Aug 19, 2026

• MIPStart prevents proving optimality: 1.1 s cold vs unproven after 120 s, even when the start is the optimum (2.10.13)

  coin-or/Cbc#786 · Filter by author andig opened on Aug 8, 2026
  1

• MacOS multithreaded version cbc 2.10.13

  coin-or/Cbc#773 · Filter by author Rolf527 opened on Mar 12, 2026
  2

• wrong dual bound on miplib2017's neos-5107597-kakapo

  coin-or/Cbc#771 · Filter by author svigerske opened on Mar 4, 2026
  1

• Unit test fails with some compile options (bad CglFlowCover cut) - found after looking at Cbc entry in Wikipedia!!!!!!!!!!!!

  coin-or/Cbc#769 · Filter by author jjhforrest opened on Feb 25, 2026
  3

• ERROR while running Cbc. Signal SIGABRT caught.

  coin-or/Cbc#764 · Filter by author zxt5 opened on Jan 13, 2026

• New CBC release upcoming?

  coin-or/Cbc#757 · Filter by author siddharth-krishna opened on Dec 4, 2025
  5

• CglProbing.cpp:5685: Assertion `newLo[icol]==COIN_DBL_MAX' failed

  coin-or/Cbc#745 · Filter by author zxt5 opened on Oct 10, 2025
  1

• cbc hangs and doesn't terminate on infeasible model even with sec and maxN set

  coin-or/Cbc#743 · Filter by author ssche opened on Sep 8, 2025
  3

• Question: How does CBC deal with multiple bounds for 1 variable?

  coin-or/Cbc#742 · Filter by author PI-31415-PI opened on Aug 29, 2025

• result output appended to previous result on master, not on stable210

  coin-or/Cbc#736 · Filter by author jameshowey opened on Jul 29, 2025

• wrong result without "-preprocess off"

  coin-or/Cbc#724 · Filter by author raller09 opened on Jun 16, 2025
  2

• Incorrect optimal solution for binary MIP problem

  coin-or/Cbc#723 · Filter by author Thell opened on Jun 6, 2025
  3

• Windows dynamically linked lib builds

  coin-or/Cbc#721 · Filter by author speratni opened on Jun 2, 2025
  4

• Cbc/src/CbcCountRowCut.cpp:718: int CbcRowCuts::addCutIfNotDuplicate(const OsiRowCut&, int): Assertion `hash_[ipos].next == -1' failed

  coin-or/Cbc#718 · Filter by author zxt5 opened on May 21, 2025

• CBC ERROR: CoinLpIO::readLp on input that Gurobi solves sucessfully

  coin-or/Cbc#717 · Filter by author siddharth-krishna opened on May 20, 2025
  1