v5.6.0

What's Changed

• release candidate by @Joao-Dionisio in #987
• Add support for knapsack constraints by @Joao-Dionisio in #975
• Fix some typos in the documentation by @Joao-Dionisio in #995
• Add missing numerical access functions by @chrhansk in #996
• Add feastol numerics checks by @Joao-Dionisio in #997
• Remove bogus execute permission and shebang line from sudoku example by @musicinmybrain in #1008
• Add venv instructions by @Joao-Dionisio in #1007
• Require binary variables in logical constraints by @Joao-Dionisio in #1005
• Fix tutorial model by @aapeliv in #1012
• Support for AND-constraints by @Joao-Dionisio in #980
• Feature: new method addMatrixConsIndicator by @Zeroto521 in #1024
• Feature: Matrix sum method supports arguments inputting by @Zeroto521 in #1025
• Documentation Suggestions for build.rst and lp.pxi by @gtjusila in #1026
• Add SCIPvarMarkRelaxationOnly by @Joao-Dionisio in #1023
• Interface SCIPgetNLPBranchCands by @Joao-Dionisio in #1029
• Add getConsVals by @Joao-Dionisio in #1033
• Recipe for getting local constraints by @Joao-Dionisio in #1014
• Make pipeline more verbose by @Joao-Dionisio in #1037
• Add enableDebugSol following discussion on mailing list by @Joao-Dionisio in #1013
• Fix pipeline by @Joao-Dionisio in #1042
• Add getVarPseudocostScore and getVarPseudocost by @sirenard in #1041
• Fix debug command by @Joao-Dionisio in #1027
• API: addMatrixCons supports ExprCons by @Zeroto521 in #1036
• Add getNBranchings and getNBranchingsCurrentRun by @sirenard in #1049
• BUG: _VarArray can't handle MatrixVar by @Zeroto521 in #1044

New Contributors

• @musicinmybrain made their first contribution in #1008
• @aapeliv made their first contribution in #1012
• @Zeroto521 made their first contribution in #1024

Full Changelog: v5.5.0...v5.6.0

v5.5.0

What's Changed

• Antonia errors after using the tutorial by @Opt-Mucca in #960
• Add getLinearConsIndicator by @Opt-Mucca in #961
• Fix minor typos in docstring and separator documentation by @Joao-Dionisio in #963
• add parameter set and get functions for lpi by @lidingxu in #965
• More LPI functions and optimality check by @lidingxu in #967
• Fixed bug when accessing matrix variable attributes by @Joao-Dionisio in #970
• update github actions by @Joao-Dionisio in #976
• Update INSTALL.md by @Joao-Dionisio in #974
• Don't run tests on draft PRs by @Joao-Dionisio in #979
• Add access functions for row duals by @chrhansk in #986
• Add deactivatePricer by @Joao-Dionisio in #973
• Fix master compatibility by @DominikKamp in #988

New Contributors

• @lidingxu made their first contribution in #965
• @chrhansk made their first contribution in #986

Full Changelog: v5.4.1...v5.5.0

v5.4.1

What's Changed

• Expose Matrix types by @mmghannam in #959

Full Changelog: v5.4.0...v5.4.1

v5.4.0

What's Changed

• Add node cutoff by @Joao-Dionisio in #953
• Update README with usage request by @Joao-Dionisio in #952
• Add major / minor / tech versions by @Opt-Mucca in #956
• Added option for getting Lhs, Rhs of nonlinear constraints by @Joao-Dionisio in #935
• Fix syntax highlighting in README by @mmghannam in #958
• New matrix variable functionality by @Joao-Dionisio in #957

Full Changelog: v5.3.0...v5.4.0

v5.3.0

What's Changed

• Update steps to update documentation by @mmghannam in #925
• Primal-dual evolution event handler recipe by @Joao-Dionisio in #916
• Add _createConsBasicLinear by @Joao-Dionisio in #917
• solve problem with multi-threads by @liangbug in #918
• Allow writeProblem to write to stdout by @Joao-Dionisio in #926
• Added categorical data example by @Joao-Dionisio in #932
• Updates mac script to use precompiled version by @Opt-Mucca in #933
• Correct output redirection by @DominikKamp in #929
• Generic indicator names by @Joao-Dionisio in #930
• Add transformed option to getVarDict by @Joao-Dionisio in #934
• Fixed categorical data example #932 by @Jiunixo in #939
• add support for [get|set]HeurTiming by @pfetsch in #940
• Don't run extensive tests on every PR by @mmghannam in #943
• Added utility interface to SCIP for copyLargeNeighborhoodSearch and its prerequisites by @stefanmaak in #942
• Add type to loop variables only by @Joao-Dionisio in #947
• Mt/release 5 3 0 by @Opt-Mucca in #950

New Contributors

• @DominikKamp made their first contribution in #929
• @Jiunixo made their first contribution in #939
• @stefanmaak made their first contribution in #942

Full Changelog: v5.2.1...v5.3.0

v5.2.1

What's Changed

• Add parser to read SCIP statistics by @Joao-Dionisio in #859
• Relax stage for checking getObjVal, getVal by @Joao-Dionisio in #872
• Move doc generation to separate workflow by @mmghannam in #877
• Strong Branching by @Opt-Mucca in #873
• Adds bipartite graph function by @Opt-Mucca in #874
• Add release guide by @mmghannam in #878
• Fix path where version is loaded by @mmghannam in #879
• Expand getStatistics to allow unbounded, infeasible, and user-interrupted problems by @Joao-Dionisio in #871
• Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows by @dependabot in #886
• Add prototype for utils functions by @Joao-Dionisio in #880
• Migrate to Readthedocs and Sphinx by @Opt-Mucca in #890
• Add readthedocs.yaml by @Opt-Mucca in #891
• Remove import pyscipopt by @Opt-Mucca in #892
• Add pyscipopt as docu requirement by @Opt-Mucca in #893
• Update README with new docs. Move CONTRIBUTING to docs by @Opt-Mucca in #894
• Easier way to attach event handlers by @mmghannam in #895
• Add list of contributors by @Opt-Mucca in #897
• Add documentation for event handlers by @mmghannam in #898
• Update recommended version. We're currently on 9.1.0 by @Opt-Mucca in #899
• Change min requirement again by @Opt-Mucca in #900
• Change docstring style to numpydocs by @Opt-Mucca in #901
• Add dislcaimer. Remove incorrect warning by @Opt-Mucca in #902
• Remove duplicate entry in CHANGELOG by @Joao-Dionisio in #903
• Update README.md by @Joao-Dionisio in #904
• Update tutorial to include parameter emphasis and setting by @Joao-Dionisio in #909
• Change theme of documentation by @Opt-Mucca in #911
• Add sphinxcontrib.jquery for new theme by @Opt-Mucca in #912
• Update theme by @Opt-Mucca in #913
• Add comments from dominik by @Opt-Mucca in #914
• Update to 5.2.0 by @Opt-Mucca in #920

New Contributors

• @dependabot made their first contribution in #886

Full Changelog: v5.1.1...v5.2.1

v5.1.1

What's Changed

• Add check for pt_PT in test_locale by @Joao-Dionisio in #841
• add support for disjunction constraints by @ctdunc in #837
• Add getnorigconss by @Opt-Mucca in #845
• Fix locale fix by @Joao-Dionisio in #843
• Add verbosity argument to writeParams and writeProblems by @Joao-Dionisio in #844
• Wrapped createOrigSol by @Joao-Dionisio in #848
• Minor changes to test_pricer by @Joao-Dionisio in #852
• Add recipe for getting infeasible constraints by @Joao-Dionisio in #857
• Add SCIPprintExternalCodes by @Opt-Mucca in #860
• Add SCIP_STATUS_(PRIMAL;DUAL)LIMIT by @Opt-Mucca in #864
• Mt/status limits by @Opt-Mucca in #865
• Release workflow based on manual input by @mmghannam in #866
• Fix release workflow & control uploading to pypi with a parameter by @mmghannam in #867
• More fixes to the release workflow by @mmghannam in #868
• Better way to mark release mode in pyproject & Ability to upload to test-pypi from workflow by @mmghannam in #869
• Update changelog & version by @mmghannam in #870

New Contributors

• @ctdunc made their first contribution in #837

Full Changelog: v5.0.1...v5.1.1

v5.0.1

What's Changed

• Update changelog for 5.0.0 by @ju-manns in #807
• Update README and INSTALL instructions for 5.0.0 by @Opt-Mucca in #808
• Add ds store to .gitignore by @Opt-Mucca in #814
• Faster compilation in PR pipeline by @mmghannam in #823
• Add getTreeSizeEstimation by @sirenard in #829
• Add method for adding piecewise linear constraints by @Joao-Dionisio in #776
• Set locale in write/print functions by @Joao-Dionisio in #830
• Fix dropEvent bug by @Joao-Dionisio in #828
• Fix setLogfile method to handle None path by @liangbug in #813
• Add possibility for nonlinear objective function by @Joao-Dionisio in #781
• Fix formatting of examples & recipes by @mmghannam in #835
• Fix pipelines by @mmghannam in #834
• Update links to new scip build with sassy+nauty by @mmghannam in #839

New Contributors

• @sirenard made their first contribution in #829
• @liangbug made their first contribution in #813

Full Changelog: v5.0.0...v5.0.1

v5.0.0

What's Changed

• Mt/add getconshdlrname by @Opt-Mucca in #764
• Update INSTALL.md by @Opt-Mucca in #765
• Print names of events and current stage by @Joao-Dionisio in #769
• Fix outdated time.clock() call by @Joao-Dionisio in #773
• Type loop variables by @Joao-Dionisio in #758
• Revert "Type loop variables" by @Joao-Dionisio in #789
• Update README links by @Joao-Dionisio in #793
• Add support for Cython 3 by @mkoeppe in #792
• Modernize Python metadata by @mkoeppe in #791
• Add addExprNonlinear by @Joao-Dionisio in #760
• Update CHANGELOG.md by @mmghannam in #798
• Add extra args for includeconshdlr for new SCIP version by @Opt-Mucca in #785
• Update supported python versions to 3.8 through 3.12 by @ju-manns in #800
• Update _version.py by @mmghannam in #802
• Remove bison from brew install since bison is installed by default (on macos:latest at least) by @ju-manns in #801
• Mt/cibuildwheel by @Opt-Mucca in #803
• Change regex expression by @Opt-Mucca in #804
• Download scip packages from scipopt.org instead of scip.zib.de by @ju-manns in #805
• Skip incomplete test by @Opt-Mucca in #806

Full Changelog: v4.4.0...v5.0.0

v4.4.0

Changelog

Added

• Added all event types and tests for checking them
• Added SCIP functions SCIPconsGetNVars, SCIPconsGetVars
• Added SCIP functions SCIPchgCoefLinear, SCIPaddCoefLinear and SCIPdelCoefLinear
• Added SCIP function SCIPgetSolTime and wrapper getSolTime
• Added convenience methods relax and getVarDict
• Added SCIP functions hasPrimalRay, getPrimalRay, getPrimalRayVal

Fixed

• Fixed mistake with outdated values for several enums
• Correctly set result, lowerbound in PyRelaxExec
• Fixed typo in documentation of chgRhs
• Pricer plugin fundamental callbacks now raise an error if not implemented
• Brachrule plugin fundamental callbacks now raise an error if not implemented
• Fixed segmentation fault when accessing the Solution class directly
• Changed getSols so that it prints solutions in terms of the original variables
• Fixed error message in _checkStage

Changed

• Made it so SCIP macros are used directly, instead of being manually inputted.
• Improved error message when using < or > instead of <= or >=

Removed

• Removed double declaration of SCIPfindEventhdlr