PyPSA/linopy: v0.9.1

What's Changed

• fix(docs): repair mobile sidebar by bumping sphinx-book-theme to 1.2.0 by @FBumann in https://github.com/PyPSA/linopy/pull/779
• feat(io): stamp linopy version into netCDF export by @FBumann in https://github.com/PyPSA/linopy/pull/780
• fix(io): write LP bounds for tightened binary variables by @FBumann in https://github.com/PyPSA/linopy/pull/777
• feat(model): allow {0,1} bounds for binaries in add_variables by @FBumann in https://github.com/PyPSA/linopy/pull/778
• bench: internal performance benchmark suite + CodSpeed CI by @FBumann in https://github.com/PyPSA/linopy/pull/781
• build(deps-dev): bump matplotlib from 3.9.1 to 3.11.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/788
• build(deps): bump the github-actions group with 2 updates by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/784
• build(deps-dev): bump sphinx from 7.3.7 to 9.0.4 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/789
• build(deps-dev): bump pytest from 9.1.0 to 9.1.1 in the benchmark-tooling group by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/785
• build(deps-dev): bump sphinx-rtd-theme from 2.0.0 to 3.1.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/786
• fix(constraints): freeze empty constraint groups without reshape error by @Ketchp in https://github.com/PyPSA/linopy/pull/783
• feat(persistent): in-place solver updates (Solver framework + HiGHS/Gurobi/Xpress/Mosek) by @FabianHofmann in https://github.com/PyPSA/linopy/pull/718
• build(deps-dev): bump numpydoc from 1.7.0 to 1.10.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/787
• fix(variables): Variable.where works with solution attached by @FabianHofmann in https://github.com/PyPSA/linopy/pull/790
• chore: fix typing with new highspy version by @FBumann in https://github.com/PyPSA/linopy/pull/795
• docs: import AGENTS.md into CLAUDE.md by @FBumann in https://github.com/PyPSA/linopy/pull/794
• feat(piecewise): active_fill for partial active gates (alt. to #797, #796) by @FBumann in https://github.com/PyPSA/linopy/pull/798
• build(deps): bump the github-actions group with 2 updates by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/807
• bench: arithmetic operation micro-benchmarks by @FBumann in https://github.com/PyPSA/linopy/pull/805
• build(deps-dev): bump pytest-memray from 1.8.0 to 1.9.0 in the benchmark-tooling group by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/808
• build(deps-dev): bump ipykernel from 6.29.5 to 7.3.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/812
• build(deps-dev): bump ipython from 8.26.0 to 9.15.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/810
• build(deps-dev): bump highspy from 1.13.1 to 1.15.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/809
• fix: GLPK objective parsing by @danielelerede-oet in https://github.com/PyPSA/linopy/pull/818
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/PyPSA/linopy/pull/819
• fix: widen Variable.sum dim parameter type to DimsLike by @manud99 in https://github.com/PyPSA/linopy/pull/820
• perf(groupby): unify scatter kernel over numpy and dask via apply_ufunc by @FBumann in https://github.com/PyPSA/linopy/pull/802
• perf: drop explicit zeros from the constraint matrix (#814) by @FBumann in https://github.com/PyPSA/linopy/pull/815
• build(deps-dev): update docutils requirement from <0.21 to <0.24 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/811
• perf: default integer arrays to int32 for ~25% memory reduction by @FBumann in https://github.com/PyPSA/linopy/pull/566
• perf: prune explicit zeros at matrix assembly (cut build peak memory) by @FBumann in https://github.com/PyPSA/linopy/pull/816
• test: make assert_linequal ignore dimension order by @FBumann in https://github.com/PyPSA/linopy/pull/801
• docs: list SCIP in supported solvers (README, index) by @FabianHofmann in https://github.com/PyPSA/linopy/pull/825
• fix: groupby-sum fast path reduces multi-dim DataArray grouper over all its dims by @FabianHofmann in https://github.com/PyPSA/linopy/pull/824
• refactor(int32): per-model label dtype instead of sticky process-global by @FBumann in https://github.com/PyPSA/linopy/pull/828
• fix(gurobi): dispose the solver model before the env on close by @FBumann in https://github.com/PyPSA/linopy/pull/826
• fix(groupby): align groupers by label, raise on mismatch (#827) by @FBumann in https://github.com/PyPSA/linopy/pull/830
• docs: add working-with-solvers notebook for the stateful Solver API by @FBumann in https://github.com/PyPSA/linopy/pull/685
• docs: list SCIP in supported solvers by @FabianHofmann in https://github.com/PyPSA/linopy/pull/835
• added two example notebooks: energy-resource-build and sudoku by @tpu-brunkhorst in https://github.com/PyPSA/linopy/pull/356
• fix(groupby): preserve grouped-dim position in groupby-sum by @FabianHofmann in https://github.com/PyPSA/linopy/pull/860
• fix: don't leak aux coords of summed dims onto the term dimension by @FBumann in https://github.com/PyPSA/linopy/pull/829
• fix(packaging): ship linopy.remote and linopy.persistent in the wheel by @FBumann in https://github.com/PyPSA/linopy/pull/865
• docs: harmonize PR/issue refs in release notes by @FabianHofmann in https://github.com/PyPSA/linopy/pull/866
• bench(ops): add matmul micro-benchmarks (dense vs sparse operand) by @FBumann in https://github.com/PyPSA/linopy/pull/868
• fix(deps): drop stale numpy<2 pin from the docs extra by @FBumann in https://github.com/PyPSA/linopy/pull/869
• fix(xpress): migrate remaining deprecated Xpress 9.8 API calls by @brunoficoxpress in https://github.com/PyPSA/linopy/pull/880
• build(deps): bump polars from 1.41.2 to 1.42.1 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/875
• build(deps): bump xarray from 2026.4.0 to 2026.7.0 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/876
• build(deps-dev): bump pandas from 3.0.3 to 3.0.5 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/877
• build(deps): bump dask from 2026.6.0 to 2026.7.1 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/878
• Expressions container by @brynpickering in https://github.com/PyPSA/linopy/pull/882
• build(deps-dev): bump highspy from 1.15.0 to 1.15.1 by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/879
• update release notes by @FabianHofmann in https://github.com/PyPSA/linopy/pull/889
• fix: ignore masked variable labels when matching constraints by @FabianHofmann in https://github.com/PyPSA/linopy/pull/895
• fix(sos): order a set by its declaration, not by its coordinate labels by @FBumann in https://github.com/PyPSA/linopy/pull/893

New Contributors

• @Ketchp made their first contribution in https://github.com/PyPSA/linopy/pull/783
• @manud99 made their first contribution in https://github.com/PyPSA/linopy/pull/820
• @tpu-brunkhorst made their first contribution in https://github.com/PyPSA/linopy/pull/356

Full Changelog: https://github.com/PyPSA/linopy/compare/v0.8.0...v0.9.1