v0.5.8

What's Changed

• bugfix: Fixed multiplication with numpy constants by @RobbieKiwi in #494
• fix: lp-polars api by @CharlieFModo in #485
• Replace pandas-based LP file writing with polars implementation by @FabianHofmann in #496
• perf: use xpress c interface, xpress solution order of operations improvement, remove writing of redundant solution files by @CharlieFModo in #497
• Fix windows permission error when dumping model file by @KristijanFaust-OET in #501
• Oetc windows hotfix 2 by @KristijanFaust-OET in #503
• doc: add jupyter notebook with oetc example use by @FabianHofmann in #490
• fix: relaxed upcasting in pl.concat by @FabianHofmann in #507
• Fetch and display OETC worker error logs by @KristijanFaust-OET in #512
• Fix expression merge with outer join for disjoint coordinates by @FabianHofmann in #514
• Feature/add polars input by @RobbieKiwi in #511
• Handle ImportError in xpress import by @FabianHofmann in #509
• Adding xpress postsolve if necessary by @come-bissuel in #421

New Contributors

• @CharlieFModo made their first contribution in #485
• @KristijanFaust-OET made their first contribution in #501
• @come-bissuel made their first contribution in #421

Full Changelog: v0.5.7...v0.5.8

v0.5.7

What's Changed

• remove future warned scalar get item by @FabianHofmann in #433
• solvers: silence version output of highs by @maurerle in #479
• fix: correct pypsa-eur env path in CI by @FabianHofmann in #486
• Improve testing by @FBumann in #482
• [small] Made merge expressions function infer class wihthout warning by @RobbieKiwi in #468
• MOSEK: Remove explicit use of mosek.Env (refactored) by @FabianHofmann in #488
• feat: add objective from variable by @FabianHofmann in #489
• Oetc support (refactored) by @FabianHofmann in #487
• feat: add error message if highspy not installed by @FabianHofmann in #491
• build(deps): bump the github-actions group across 1 directory with 3 updates by @dependabot[bot] in #492
• Fix MindOpt floating release by @PeterKlein11 in #429

Full Changelog: v0.5.6...v0.5.7

v0.5.6

What's Changed

• Fixed typing of arithmetic methods by @RobbieKiwi in #454
• Solver: Added additional keys and values within condition map of cplex solver by @BuiMCanmet in #458
• remove python 3.9 deps by @FabianHofmann in #463
• Add Support for Python 3.13 by @lkstrp in #465
• Add Claude Code GitHub Workflow by @FabianHofmann in #462
• fix: Allow COPT solution parsing for IMPRECISE status by @FabianHofmann in #466
• feat: allow passing a parameter dict to gurobi's env creation by @coroa in #469
• fix: make gurobipy dependency optional in generic type parameter by @lkstrp in #471
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #472
• feat: extend IIS calculation to support Xpress solver by @FabianHofmann in #473

New Contributors

• @RobbieKiwi made their first contribution in #454
• @BuiMCanmet made their first contribution in #458

Full Changelog: v0.5.5...v0.5.6

v0.5.5

What's Changed

• feat: termination condition map for SCIP solver by @siddharth-krishna in #447
• fix: CBC output parsing, parse runtime & duality gap by @siddharth-krishna in #446
• fix: treat SCIP condition gaplimit as optimal by @siddharth-krishna in #448
• fix: don't return OK for GLPK status integer undefined by @siddharth-krishna in #449
• fix: remove highs log file default by @ollie-bell in #445
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #455
• Use multiindex safe assignment where needed by @FabianHofmann in #456
• Harmonize assign followup by @FabianHofmann in #457

Full Changelog: v0.5.3...v0.5.5

v0.5.4

What's Changed

• feat: termination condition map for SCIP solver by @siddharth-krishna in #447
• fix: CBC output parsing, parse runtime & duality gap by @siddharth-krishna in #446
• fix: treat SCIP condition gaplimit as optimal by @siddharth-krishna in #448
• fix: don't return OK for GLPK status integer undefined by @siddharth-krishna in #449
• fix: remove highs log file default by @ollie-bell in #445
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #455
• Ise multiindex safe assignment where needed by @FabianHofmann in #456

Full Changelog: v0.5.3...v0.5.4

v0.5.3

What's Changed

• Support pickling a linopy model by @victorgarcia98 in #438
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #439
• fix: don't disable presolve and fix dual value retrieval for SCIP by @siddharth-krishna in #441
• fix: use HiGHS to parse CBC sol correctly by @siddharth-krishna in #442
• docs: update README with development setup instructions by @siddharth-krishna in #443
• feat: termination condition mapping for highs solver by @ollie-bell in #440

New Contributors

• @victorgarcia98 made their first contribution in #438

Full Changelog: v0.5.2...v0.5.3

v0.5.2

What's Changed

• fix: ensure compat with pandas item selection and numpy >= 2.0 by @FabianHofmann in #434

Full Changelog: v0.5.1...v0.5.2

v0.5.1

What's Changed

• fix docs build by @lkstrp in #414
• fix: unpin numpy<2 for python>3.10 by @ollie-bell in #415
• Add Constraints and Variables to Public API by @FBumann in #419
• Maximize compatability with Datatypes by returning NotImplemented if add, mul ... fail by @FBumann in #417
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #423
• fix: empty for linear expressions with terms by @coroa in #424
• COPT update by @PeterKlein11 in #383
• fix: change empty to property by @coroa in #425
• feat: add method wrapper for xr.align by @coroa in #426
• fix: xarray new rolling namespace by @FabianHofmann in #432

New Contributors

• @ollie-bell made their first contribution in #415
• @FBumann made their first contribution in #419
• @PeterKlein11 made their first contribution in #383

Full Changelog: v0.5.0...v0.5.1

v0.5.0

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #400
• docs: add note for faulty versions by @lkstrp in #403
• add issue templates by @lkstrp in #404
• add pypsa-eur model tests by @lkstrp in #405
• feat: move set_int_index to solution assignment in model.py by @FabianHofmann in #406
• fix: call GLPK with --freemps instead of --mps by @siddharth-krishna in #410
• feat: gently handle unknown status by @FabianHofmann in #409
• feat: allow multiplication by constant to introduce new dimensions by @coroa in #412
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #408
• add unstack method by @FabianHofmann in #350
• Complete type annotations by @FabianHofmann in #399
• Export variable and constraint names in LP files by @lkstrp in #413

New Contributors

• @siddharth-krishna made their first contribution in #410

Full Changelog: v0.4.4...v0.5.0

v0.4.4

What's Changed

• add check for valid dimension name before creating new variable by @tom-welfonder in #360
• fix: add mindopt license check by @lkstrp in #393
• Update manipulating-models.ipynb by @qheuristics in #395
• Update manipulating-models.ipynb by @qheuristics in #394
• fix: support more than one initial letter in variable and constraint name by @FabianHofmann in #397
• fix: make sure last slice is included in iterate slices by @FabianHofmann in #398

New Contributors

• @tom-welfonder made their first contribution in #360
• @qheuristics made their first contribution in #395

Full Changelog: v0.4.3...v0.4.4