What's Changed feat: add sos reformulations into linopy to simplify adoption of new sos features by @FBumann in https://github.com/PyPSA/linopy/pull/549 feat: add piecewise linear constraint API (SOS2, incremental, disjunctive) by @FBumann in https://github.com/PyPSA/linopy/pull/576 Add reformulate_sos='auto' support to solve() by @FabianHofmann in https://github.com/PyPSA/linopy/pull/595 fix: make google-cloud-storage and requests optional dependencies by @lkstrp in https://github.com/PyPSA/linopy/pull/589 build(deps): bump the github-actions group with 3 updates by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/598 Expose the knitro context by @finozzifa in https://github.com/PyPSA/linopy/pull/600 enable quadratic for win with scip by @davide-f in https://github.com/PyPSA/linopy/pull/588 Piecewise linear constraints: follow-up improvements by @FabianHofmann in https://github.com/PyPSA/linopy/pull/602 Fix flaky SCIP time limit test (fixes #577) by @FabianHofmann in https://github.com/PyPSA/linopy/pull/606 refac: introduce consistent convention for linopy operations with subsets and supersets by @FabianHofmann in https://github.com/PyPSA/linopy/pull/572 Fix Xpress IIS mapping for masked constraints by @FabianHofmann in https://github.com/PyPSA/linopy/pull/605 handle missing dual values when barrier solution has no crossover by @danielelerede-oet in https://github.com/PyPSA/linopy/pull/601 feat: Add semi-continous variables as an option by @mcoughlin in https://github.com/PyPSA/linopy/pull/593 ci: Add CI workflow to test documentation notebooks by @FBumann in https://github.com/PyPSA/linopy/pull/615 Add OetcSettings.from_env() and forward solver options through Model.solve() by @FabianHofmann in https://github.com/PyPSA/linopy/pull/612 feat: add m.copy() method to create deep copy of model by @bobbyxng in https://github.com/PyPSA/linopy/pull/623 feat: Add fix(), unfix(), and fixed to Variable and Variables by @FBumann in https://github.com/PyPSA/linopy/pull/625 fix: Include semi-continuous in Variable.type property by @FBumann in https://github.com/PyPSA/linopy/pull/635 Re-introduce knitro context closure and export solver quantities by @finozzifa in https://github.com/PyPSA/linopy/pull/633 feat: Add relax() and unrelax() to Variable and Variables by @FBumann in https://github.com/PyPSA/linopy/pull/634 refac: replace print calls with str-returning format_* methods by @FBumann in https://github.com/PyPSA/linopy/pull/621 perf: use numpy array lookup for solution unpacking by @MaykThewessen in https://github.com/PyPSA/linopy/pull/619 chore: benchmarks by @FBumann in https://github.com/PyPSA/linopy/pull/567 fix: add_variables ignoring coords for DataArray bounds by @FBumann in https://github.com/PyPSA/linopy/pull/614 fix: blacklist highs 1.14.0 by @coroa in https://github.com/PyPSA/linopy/pull/654 fix: use xarray.Dataset copy instead of constructor by @maurerle in https://github.com/PyPSA/linopy/pull/647 feat: add weakref to Model.slots by @FBumann in https://github.com/PyPSA/linopy/pull/656 fix: as_dataarray treating multi-index levels as extra dims by @FabianHofmann in https://github.com/PyPSA/linopy/pull/659 fix: compute a single IIS in Xpress infeasibility path by @FabianHofmann in https://github.com/PyPSA/linopy/pull/658 Update release notes for v0.6.7 by @FabianHofmann in https://github.com/PyPSA/linopy/pull/661 fix: raise clear error when solving model without objective by @FBumann in https://github.com/PyPSA/linopy/pull/671 build(deps): bump the github-actions group across 1 directory with 3 updates by @dependabot[bot] in https://github.com/PyPSA/linopy/pull/669 feat: Unify piecewise API behind add_piecewise_formulation (sign + LP dispatch) by @FBumann in https://github.com/PyPSA/linopy/pull/638 feat: add slopes_align to breakpoints() by @FabianHofmann in https://github.com/PyPSA/linopy/pull/672 refac(piecewise): introduce Slopes class, remove breakpoints(slopes=) mode by @FBumann in https://github.com/PyPSA/linopy/pull/673 fix: serialize MultiIndex level names as JSON for scipy netCDF backend by @FBumann in https://github.com/PyPSA/linopy/pull/674 docs: restructure upcoming changelog and add missing PRs by @FBumann in https://github.com/PyPSA/linopy/pull/675 chore: Update release notes for v0.7.0 by @FBumann in https://github.com/PyPSA/linopy/pull/676 New Contributors @finozzifa made their first contribution in https://github.com/PyPSA/linopy/pull/600 @davide-f made their first contribution in https://github.com/PyPSA/linopy/pull/588 @danielelerede-oet made their first contribution in https://github.com/PyPSA/linopy/pull/601 @mcoughlin made their first contribution in https://github.com/PyPSA/linopy/pull/593 @bobbyxng made their first contribution in https://github.com/PyPSA/linopy/pull/623 @MaykThewessen made their first contribution in https://github.com/PyPSA/linopy/pull/619 Full Changelog: https://github.com/PyPSA/linopy/compare/v0.6.4...v0.7.0