What's Changed
* matrices: add dual attribute by FabianHofmann in https://github.com/PyPSA/linopy/pull/258
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PyPSA/linopy/pull/259
* avoid using highs_bindings, they are not needed and are removed in 1.7.1.dev by apfelix in https://github.com/PyPSA/linopy/pull/264
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PyPSA/linopy/pull/268
* Added the new pdlp solver (highs > 1.7) to the description, added warning by Cellophil in https://github.com/PyPSA/linopy/pull/267
* Add function for querying attributes of solver model by Irieo in https://github.com/PyPSA/linopy/pull/247
* Update JuMP syntax in syntax.rst by odow in https://github.com/PyPSA/linopy/pull/272
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PyPSA/linopy/pull/273
* properly handle constraint assignment with constants when using args by FabianHofmann in https://github.com/PyPSA/linopy/pull/274
* add_constraints: allow rhs to be expression by FabianHofmann in https://github.com/PyPSA/linopy/pull/277
* expressions & variables: add expand_dims and stack functions by FabianHofmann in https://github.com/PyPSA/linopy/pull/278
* remove cplex from macos solver deps by FabianHofmann in https://github.com/PyPSA/linopy/pull/280
* add python 3.12 to CI by FabianHofmann in https://github.com/PyPSA/linopy/pull/184
* Renamed kw `dims` of `LinearExpression.sum` & `Variable.sum` to `dim` by leuchtum in https://github.com/PyPSA/linopy/pull/246
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PyPSA/linopy/pull/276
* Support for integer/binary vars for MOSEK by ulfworsoe in https://github.com/PyPSA/linopy/pull/275
* replace setup.py by pyproject.yaml by FabianHofmann in https://github.com/PyPSA/linopy/pull/279
New Contributors
* apfelix made their first contribution in https://github.com/PyPSA/linopy/pull/264
* ulfworsoe made their first contribution in https://github.com/PyPSA/linopy/pull/275
**Full Changelog**: https://github.com/PyPSA/linopy/compare/v0.3.8...v0.3.9