Archived Cbc News

November 21, 2012

• Cbc ​2.7.8 has been released.
  • Change message when LP simplex iteration limit is hit from "Exiting on maximum nodes" to "Exiting on maximum number of iterations".
  • Fix for using overlapping SOS.
  • Fixes in buildsystem.
  • Click ​here to see changes from release ​2.7.7

June 7, 2012

• Cbc ​2.7.7 has been released.
  • Fix to report interruption on user event if SIGINT is received by CbcSolver.
    model->status() should now be 5 if this event happened.
    Added method CbcModel::sayEventHappened() to make cbc stop due to an 'user event'.
  • Other minor fixes.
  • Click ​here to see changes from release ​2.7.6

February 10, 2012

• Cbc ​2.7.6 has been released.
  • Fixes to build system.
  • Other minor fixes.
  • Click ​here to see changes from release ​2.7.5

November 3, 2011

• Cbc ​2.7.5 has been released.
  • Fixes to get AMPL interface working again.
  • More fixes to MSVC++ files.
  • Click ​here to see changes from release ​2.7.4

October 22, 2011

• Cbc ​2.7.4 has been released.
  • Minor bug fixes
  • Click ​here to see changes from release ​2.7.3

October 16, 2011

• Cbc ​2.7.3 has been released.
  • Minor bug fixes
  • Fixes to MSVC++ files
  • Click ​here to see changes from release ​2.7.2

September 20, 2011

• Cbc ​2.7.2 has been released.
  • Allow row/column names for GMPL models
  • Added CbcModel::haveMultiThreadSupport() to indicate whether Cbc library has been compiled with multithread support
  • Added CbcModel::waitingForMiniBranchAndBound() to indicate whether sub-MIP heuristic is currently running
  • Cbc shell should work with readline if configured with --enable-gnu-packages
  • Support for compressed input files (.gz, .bz2) is now enabled by default
  • Fix problems with relative gap tolerance > 100% and further bugs
  • Fixes for MSVC++ Version 9 files
  • Minor fixes in buildsystem; update to BuildTools 0.7.1
  • Click ​here to see changes from release ​2.7.1

July 22, 2011

• Cbc ​2.7.1 has been released.
  • Fixes for MSVC++ Version 10 files
  • Click ​here to see changes from release ​2.7.0

July 18, 2011

• Cbc ​2.7.0 has been released.
  • License has been changed to the EPL.
  • Support for MSVC++ version 10 added.
  • Support for ​BuildTools version ​0.7 to incorporate recent enhancements, including proper library versioning in Linux, prohibiting installation of private headers, etc.
  • Updating externals to new stable versions of dependent projects.
  • Improvements to heuristics.
  • New options for cut generation.
  • Improved reporting of results.
  • Improvements to documentation.
  • Minor bug fixes.

January 4, 2011

• Cbc stable version ​2.7 was created.
  • Click ​here to see the differences from version 2.6.