What's Changed [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/PyPSA/linopy/pull/505 perf: matrix accessor rewrite by @coroa in https://github.com/PyPSA/linopy/pull/630 docs(piecewise): rewrite reference page + tutorials for correctness and pedagogy by @FBumann in https://github.com/PyPSA/linopy/pull/677 docs: fix broken toctree, refresh API reference, and clean up references by @FBumann in https://github.com/PyPSA/linopy/pull/680 refactor: stateful Solver instances and two-step solve API by @FabianHofmann in https://github.com/PyPSA/linopy/pull/682 docs: silence HiGHS console output in tutorial notebooks by @FBumann in https://github.com/PyPSA/linopy/pull/678 docs: reorganize toctree into basic→advanced sections, rewrite user-guide landing by @FBumann in https://github.com/PyPSA/linopy/pull/681 docs: credit Felix Bumann in copyright, author, and pyproject maintainers by @FBumann in https://github.com/PyPSA/linopy/pull/687 feat(xpress): add direct API support via loadproblem by @FabianHofmann in https://github.com/PyPSA/linopy/pull/684 deps: add remote extra for paramiko and migrate install docs to uv by @FBumann in https://github.com/PyPSA/linopy/pull/686 fix(sos): refuse masked SOS variables with a clear error; fix reformulate_sos=True no-op on native SOS solvers by @FBumann in https://github.com/PyPSA/linopy/pull/689 fix(test): only skip GPU-only solvers without --run-gpu (#693) by @FBumann in https://github.com/PyPSA/linopy/pull/694 refactor(sos): add Model.apply/undo_sos_reformulation methods by @FBumann in https://github.com/PyPSA/linopy/pull/690 fix(remote): use TemporaryDirectory to avoid Windows tempfile lock by @FabianHofmann in https://github.com/PyPSA/linopy/pull/698 Xpress 9.9+ backward compatibility and other updates by @brunoficoxpress in https://github.com/PyPSA/linopy/pull/701 ci: swap aflc/pre-commit-jupyter for nbstripout by @FBumann in https://github.com/PyPSA/linopy/pull/700 fix(sos): SOS constraints on masked variables (#688) by @FBumann in https://github.com/PyPSA/linopy/pull/692 fix(xpress): use ExitStack to manage xpress.problem() lifecycle by @brunoficoxpress in https://github.com/PyPSA/linopy/pull/702 fix(license-leaks): release license slot from Mosek, COPT, and MindOpt probe and solver paths by @FBumann in https://github.com/PyPSA/linopy/pull/695 drop python 3.10 support by @lkstrp in https://github.com/PyPSA/linopy/pull/721 refactor(types): unify SUPPORTED_CONSTANT_TYPES with ConstantLike alias by @FBumann in https://github.com/PyPSA/linopy/pull/728 Improve Mosek interface to select optimal solution by @mgrabovsky in https://github.com/PyPSA/linopy/pull/667 Feature/example of drop=True by @RobbieKiwi in https://github.com/PyPSA/linopy/pull/557 refactor: unify coords-as-truth handling in add_variables/add_constraints by @FBumann in https://github.com/PyPSA/linopy/pull/732 ci: fix model runs by @lkstrp in https://github.com/PyPSA/linopy/pull/522 perf(matrices): cache MatrixAccessor properties with cached_property by @MaykThewessen in https://github.com/PyPSA/linopy/pull/716 feat: add BaseExpression.has_terms property by @FBumann in https://github.com/PyPSA/linopy/pull/743 refactor: move alignment code to linopy/alignment.py; restructure tests by @FBumann in https://github.com/PyPSA/linopy/pull/742 311 syntax by @RobbieKiwi in https://github.com/PyPSA/linopy/pull/739 chore: Return Self from SolverStatus.from_termination_condition by @FBumann in https://github.com/PyPSA/linopy/pull/746 docs: AI-assisted contribution guide by @FBumann in https://github.com/PyPSA/linopy/pull/754 fix(alignment): tolerate xarray without CoordinateValidationError by @FBumann in https://github.com/PyPSA/linopy/pull/762 fix: regression with tuple coords entries as xarray's (dim_name, values) by @FBumann in https://github.com/PyPSA/linopy/pull/766 test: use public API in assertions instead of internal .data by @FBumann in https://github.com/PyPSA/linopy/pull/760 fix(groupby): group by non-dimension coordinate names; fast multi-key grouping by names (#750, #753) by @FBumann in https://github.com/PyPSA/linopy/pull/751 fix: Variable.fix() value alignment on named dimensions by @FBumann in https://github.com/PyPSA/linopy/pull/774 feat: Add indicator constraints by @mcoughlin in https://github.com/PyPSA/linopy/pull/594 feat: add m.dualize() by @bobbyxng in https://github.com/PyPSA/linopy/pull/626 docs: cut release notes for v0.8.0 by @FBumann in https://github.com/PyPSA/linopy/pull/759 New Contributors @mgrabovsky made their first contribution in https://github.com/PyPSA/linopy/pull/667 Full Changelog: https://github.com/PyPSA/linopy/compare/v0.7.0...v0.8.0