Gurobi v1.9.1

Diff since v1.9.0

Merged pull requests:

• Fix PrimalStatus and DualStatus when LOCALLY_SOLVED (#663) (@odow)
• Prep for v1.9.1 (#664) (@odow)

Closed issues:

• Dual solution is not returned if problem is suboptimal (#662)

Gurobi v1.9.0

Diff since v1.8.0

Merged pull requests:

• Add support for new status codes in Gurobi 13 (#657) (@odow)
• Add support for new tanh and signpower in Gurobi 13 (#658) (@odow)
• Add support for callback filtering in Gurobi 13 (#659) (@odow)
• Work around deprecated attribute names (#660) (@odow)
• Prep for v1.9.0 (#661) (@odow)

Closed issues:

• Support needed for Gurobi 13 (currently on beta) (#648)
• New nonlinear opcodes for Gurobi 13 (#650)
• Use callback filtering with Gurobi 13.0 (#651)
• New termination status codes (#652)
• Deprecated attributes (#653)
• Building error (#656)

Gurobi v1.8.0

Diff since v1.7.6

Merged pull requests:

• Add support for Gurobi 13.0 (#649) (@simonbowly)
• Add a CI job to test local installation (#654) (@odow)
• Prep for v1.8.0 (#655) (@odow)

Closed issues:

• compute_conflict and computeIIS not defined in Gurobi (#647)

Gurobi v1.7.6

Diff since v1.7.5

Merged pull requests:

• Mention WLS in installation instructions (#642) (@odow)
• Remove old link from README (#643) (@odow)
• Clarify installation instructions in the README (#644) (@odow)
• Update to 12.0.3 in the CI (#645) (@odow)
• Prep for v1.7.6 (#646) (@odow)

Gurobi v1.7.5

Diff since v1.7.4

Merged pull requests:

• Clarify that Gurobi.Env are not thread safe (#637) (@odow)
• Add ScalarNonlinearFunction to README (#639) (@odow)
• Fix callback with MINLP and hidden variables (#640) (@odow)
• Prep for v1.7.5 (#641) (@odow)

Closed issues:

• Is there any inefficiency in how multiple solutions are handled? (#636)
• Nonlinear support? Not called out in the README (#638)

Gurobi v1.7.4

Diff since v1.7.3

Merged pull requests:

• Switch to using GUROBI_LICENSE in CI (#631) (@odow)
• Fix check for NumVars when there is a ScalarNonlinearFunction (#633) (@odow)
• Prep for v1.7.4 (#634) (@odow)

Closed issues:

• Bug setting nonlinear objective (#632)

Gurobi v1.7.3

Diff since v1.7.2

Merged pull requests:

• Fix Indicator constraints in ListOfConstraintTypesPresent (#629) (@odow)
• Prep for v1.7.3 (#630) (@odow)

Gurobi v1.7.2

Diff since v1.7.1

Merged pull requests:

• Fix PrimalStatus when multiple solutions are available in DUAL_INFEASIBLE (#623) (@odow)
• Follow-up to #623 to use an actually unbounded model (#624) (@odow)
• Remove Manual installation link in README (#625) (@odow)
• Change DualObjectiveValue to use Utilities.get_fallback (#626) (@odow)
• Throw GetAttributeNotAllowed when ObjBound is GRB_INFINITY (#627) (@odow)
• Prep for v1.7.2 (#628) (@odow)

Gurobi v1.7.1

Diff since v1.7.0

Merged pull requests:

• Clarify how versions of Gurobi_jll are installed in README (#619) (@odow)
• Improve handling of SIGINT interrupts (#621) (@odow)
• Prep for v1.7.1 (#622) (@odow)

Closed issues:

• Precompilation without license file in v1.6.3 (#614)
• False positive for SOC feasibility problem with Gurobi/Julia (#617)
• LoadError: Gurobi Error 10009 (#618)
• Make CTRL+C work properly (#620)

Gurobi v1.7.0

Diff since v1.6.3

Merged pull requests:

• Add support for MOI.write_to_file (#612) (@odow)
• Explain how to generate an MPS file in the README (#613) (@odow)
• Precompile only if Env() succeeds (#615) (@odow)
• Prep for v1.7.0 (#616) (@odow)