v0.7.0

User facing changes

• Add functionalities to cache data when interpolating on nonmatching meshes by @massimiliano-leoni in #2414
• [cmake] make Python3 interpreter optional by @minrk in #2514
• Add divergence conforming discontinuous Galerkin demo for the Navier-Stokes equations by @jpdean in #2390
• Improve C++ docs for collision code functions by @garth-wells in #2518
• Fix some mistakes in BoundingBox by @chrisrichardson in #2525
• Improve XDMFFile docs by @jorgensd in #2532
• Add explicit destruction of PETSc Python objects by @garth-wells in #2560
• Let integration entities be specified manually by @jpdean in #2269
• Add demo of mixed Poisson problem by @jhale in #2502
• Add biharmonic demo (Python and C++) by @juliusgh in #2508
• Allow extra control for mesh partitioning from python by @jorgensd in #2598
• Fixes for mixed dimensional topology in dolfinx.io.create_vtk_mesh by @francesco-ballarin in #2608
• Add default scalar type by @garth-wells in #2610
• Support for FiniteElements with different scalar types by @garth-wells in #2634
• Add ADIOS2 engine as option by @garth-wells in #2636
• Fix 3D manifolds from vector and tensorfunctionspace by @jorgensd in #2655
• Remove petsc from some tests by @chrisrichardson in #2657
• Add Block support to MatrixCSR by @chrisrichardson in #2654
• Constrain scalar types with concept by @jhale in #2690
• Add info about polynomial sets to custom element demo by @mscroggs in #2761
• Add IndexMap imbalance "diagnostic" function by @IgorBaratta in #2653
• Make non-matching interpolation more robust and deterministic by @jorgensd in #2788
• Don't use rank= in Basix elements by @mscroggs in #2789
• Template over mesh geometry type by @garth-wells in #2603
• Split Docker builds by @jhale in #2642
• Expose lower level insert_diagonal function by @IgorBaratta in #2684

Other changes

• Add demo_axis in demos.rst by @mikics in #2501

• Add ADIOS2 to macOS build by @jhale in #2509

• Fix isort checks for some demos by @juliusgh in #2506

• Fix concept requirements by @chrisrichardson in #2513

• Split pybind11 wrapper code in fem.cpp to improve compile times by @garth-wells in #2478

• make sure setuptools/pip are up-to-date before using them by @minrk in #2515

• Re-order and edit (some) demos (Python) by @garth-wells in #2512

• Wrap C++ Mesh from Python (fixes support for Python 3.11) by @garth-wells in #2500

• Remove unnecessary call to NBX algorithm when creating sub index map by @jpdean in #2520

• Wrap mesh tags from Python by @garth-wells in #2522

• Tidy up Python wrapping of mesh refinement interface by @garth-wells in #2528

• Split topology and geometry stages in mesh::create_submesh by @garth-wells in #2529

• Fix create_form to only integrate over owned entities by @jpdean in #2531

• Fix import of distribute_entity_data by @jorgensd in #2539

• Bump dev versions by @garth-wells in #2538

• Fix doc error in mesh.create_mesh for coordinate layout. by @garth-wells in #2540

• Minor install updates in README.md by @garth-wells in #2542

• Try BuildJet by @jhale in #2526

• Template mesh::Geometry over scalar type by @garth-wells in #2457

• Fix UFL version in setup.py by @garth-wells in #2548

• Add point as cell type to be able to read in vertex tags by @jorgensd in #2549

• Default to ninja when building Python/pybind11 interface by @garth-wells in #2550

• Update OneAPI and Redhat Dockerfiles by @garth-wells in #2551

• Run subset of tests in parallel by @garth-wells in #2553

• Dockerfile PETSc version bump by @garth-wells in #2552

• Use larger arm Docker build runner (more memory) by @garth-wells in #2554

• Remove clang from Dockerfile by @garth-wells in #2555

• Expose real version of inverse transform to python by @jorgensd in #2547

• Fix extraction of mesh from array of forms in lifting by @garth-wells in #2562

• Basix interface change by @chrisrichardson in #2563

• Move location of pybind11 import in setup.py by @garth-wells in #2564

• Fix checkout path of macos CI by @garth-wells in #2565

• Fix another call to create_element by @chrisrichardson in #2566

• Fix in setup.py for Spack builds by @garth-wells in #2567

• Revert setup.py changes by @garth-wells in #2568

• Just fixing a few typos by @massimiliano-leoni in #2569

• Bump PETSc version in Dockerfile by @garth-wells in #2572

• Run standard tests on merge queue by @jhale in #2573

• Add missing include to demo for (std::numbers) by @garth-wells in #2582

• Add more versions of DOLFINx to dropdown by @jorgensd in #2581

• Remove some isinstance by @garth-wells in #2587

• Fix DOF transformations for custom elements by @mscroggs in #2588

• Extend VectorFunctionSpace to custom elements by @pierricmora in #2576

• Reduce function argument types to basic types by @garth-wells in #2592

• Fix call to dolfinx.cpp.io.extract_vtk_connectivity in dolfinx.io.create_vtk_mesh by @francesco-ballarin in #2594

• Replace UFL elements with Basix elements in tests and demos by @mscroggs in #2381

• Updates for visualization CI by @jorgensd in #2600

• Fix template parameters by @chrisrichardson in #2605

• Add basix_cell method to Mesh by @mscroggs in #2604

• Mixed topology by @chrisrichardson in #2597

• Associate MeshTags with Topology (and not Mesh) by @garth-wells in #2607

• Extend geometry scalar typing by @garth-wells in #2611

• Remove inconsistent behaviour when building sparsity pattern from forms by @garth-wells in #2615

• Simplify fem::Form domain handling by @garth-wells in #2617

• Fix Cython version to temporarily fix issue with petsc4py includes by @jhale in #2620

• Use std::span for Form domain indices by @garth-wells in #2621

• Update for Basix type changes by @garth-wells in #2623

• Fix std::function memory error in Forms by @garth-wells in #2626

• Update for Basix templating over scalar type by @garth-wells in #2630

• Add complex to type hints for Constant by @garth-wells in #2635

• Flatten dofmap storage by @garth-wells in #2632

• Variable only used in assert causing unused variable warnings on release by @jorgensd in #2637

• Fix for interpolation of a callable on cells subset by @francesco-ballarin in #2640

• Use container instead of allocator in dolfinx::la::Vector by @chrisrichardson in #2639

• Use wider integer type in SparsityPattern adjacency data structures by @garth-wells in #2641

• Use more expressive Actions labels by @garth-wells in #2644

• Remove "needs" from the first step of the end-user Docker images workflow, since now build images are prepared in a standalone workflow by @francesco-ballarin in #2643

• Fix over-elaborated enum int type by @garth-wells in #2646

• Further fixes for gcc-13 by @chrisrichardson in #2647

• Fix macOS CI by @garth-wells in #2648

• Adjust API to be more consistent by @chrisrichardson in #2650

• Remove title from feature request by @jorgensd in #2583

• Bump versions in oneAPI Docker file by @garth-wells in #2656

• Refactor Docker pipelines by @jhale in #2649

• Add README to docker folder by @jhale in #2658

• Wrong function-space used in direct solver by @jorgensd in #2660

• Version updates in docker files by @garth-wells in #2662

• macOS CI updates by @garth-wells in #2665

• Bump PETSc to 3.19 by @jhale in #2668

• Get macOS CI working again by @garth-wells in #2667

• Reduce number of build threads for doxygen in Docker by @garth-wells in #2669

• Update PETSC_ARCH in CI by @garth-wells in #2670

• Build petsc4py and SLEPc for float in Dockerfile by @garth-wells in #2672

• Linting fixes by @jhale in #2676

• Typos by @massimiliano-leoni in #2678

• Add elasticity to 'types' demo by @garth-wells in #2685

• Support for 32-bit floats by @garth-wells in #2651

• Remove Python 'meta classes' by @garth-wells in #2683

• Consolidate petsc wrapper code into one file by @chrisrichardson in #2688

• Enable CI for PETSc with 64-bit complex (single precision) scalars by @garth-wells in #2689

• CI using float with oneAPI by @garth-wells in #2691

• Remove petsc4py from tests where possible by @garth-wells in #2692

• Parameterise some geometry test by @garth-wells in #2693

• oneAPI test improvements by @garth-wells in #2694

• Reduce code duplication by @garth-wells in #2696

• Disable a nested matrix test in single precision by @garth-wells in #2698

• Remove more petsc-specific tests by @chrisrichardson in #2695

• Add interface to wrap MatrixCSR as SciPy sparse matrix by @garth-wells in #2699

• Bump pyvista to 0.40.0 by @jorgensd in #2706

• Fix extraction of fem::Function names in ADIOS2-based output by @garth-wells in #2708

• Isolate petsc4y in Python interface by @garth-wells in #2703

• Pass ADIOS2 egine through for Fides (Python) by @garth-wells in #2709

• Make numerical tolerance dependent on input type by @jorgensd in #2697

• Revert geometric tolerance changes by @garth-wells in #2711

• Add extra merge queue tests by @garth-wells in #2714

• Correctly wrap FidesWriter constructor by @massimiliano-leoni in #2718

• Add optional type check in HDF5 files by @garth-wells in #2721

• Add missing forward scatters in C++ demos by @garth-wells in #2722

• Avoid introducing HDF5-HL library by @garth-wells in #2725

• Get Debug mode in Python working again for CI by @chrisrichardson in #2723

• Dependency version bumps in Dockerfiles by @garth-wells in #2726

• Perform checks on matrix insertion in MatrixCSR by @chrisrichardson in #2728

• Put adios2 python interface in usr/local/lib by @jorgensd in #2729

• Use PETSc release version in oneAPI docker file by @garth-wells in #2731

• Simplify fem::Expression by @garth-wells in #2730

• Allow trivial (null) cell partitioner by @garth-wells in #2727

• Rename ‘MatrixCSR::finalize’ to ‘MatrixCSR::scatter_rev’ by @chrisrichardson in #2732

• Update to Catch2 v3 for C++ unit testing by @garth-wells in #2733

• Refactor Gmsh demo by @garth-wells in #2734

• Require interpolation before XDMF output by @garth-wells in #2735

• Add paths to typing of VTX and Fides by @jorgensd in #2741

• Use new static data structures in ufcx for entity_dofs by @chrisrichardson in #2742

• Minor changes left out of #2742 by @garth-wells in #2743

• Update Basix quadrature interface by @mscroggs in #2740

• Get integral data from static data structures, not a function by @chrisrichardson in #2744

• Minor fix for missed ufcx change by @chrisrichardson in #2745

• Rename integrals -> form_integrals in demo by @mscroggs in #2746

• Remove empty non matching mesh interpolation data exception by @nate-sime in #2748

• Fix LaTeX text formatting issue by @garth-wells in #2753

• Parameterise some assembly tests over scalar type by @garth-wells in #2765

• Add shape argument to FunctionSpace for creating blocked scalar element spaces by @garth-wells in #2766

• Remove "create" prefix from some functions by @garth-wells in #2763

• Updates for mixed topology meshes by @jpdean in #2769

• Create doc images in doc source rather than code source directory by @garth-wells in #2770

• Update for mdspan by @garth-wells in #2772

• Stop using deprecated UFL initialisation by @mscroggs in #2777

• Add missing templating of inverse transform by @jorgensd in #2778

• Re-design gmsh import in io.gmshio by @garth-wells in #2775

• Update Github action versions by @garth-wells in #2779

• Revise a gmshio docstring by @garth-wells in #2780

• Improve CMake test and demo building by @garth-wells in #2781

• Change release/development order in spack test by @garth-wells in #2782

• Add complex wrappers for equivalent floating type for exposed dof transformations by @jorgensd in #2783

• Avoid Basix enums in the DOLFINx pybind11 interface by @garth-wells in #2785

• Bump dependency versions in Dockerfiles by @garth-wells in #2790

• PETSc version updates by @garth-wells in #2791

• Tidy up syntax by @garth-wells in #2793

• Sonar analysis fixes by @garth-wells in #2794

• Update test for petsc4py v3.20 by @garth-wells in #2798

• Disable mypy on petsc4py 3.20 types by @garth-wells in #2799

• Fixes in docker files by @garth-wells in #2797

• Fix PETSc clone in RedHat Dockerfile by @jhale in #2796

• Remove debugging messages in Python CMakeLists.txt by @jhale in #2801

• Re-factor a PETSc Vec creation function due to OpenMPI/PETSc interaction issue by @garth-wells in #2802

• Run isort by @jhale in #2804

New Contributors

• @pierricmora made their first contribution in #2576

Full Changelog: v0.6.0...v0.7.0