Hello everyone! This is deal.II newsletter #281. It automatically reports recently merged features and discussions about the deal.II finite element library.
## Below you find a list of recently proposed or merged features: #16904: Use the same style of anchor name as elsewhere. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16904 #16903: When creating a reference, use 'href', not 'name'. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16903 #16902: Add VectorTraits to Trilinos and Tpetra wrappers (proposed by pcafrica; merged) https://github.com/dealii/dealii/pull/16902 #16900: Suppress some messages when normalizing test output. (proposed by bangerth) https://github.com/dealii/dealii/pull/16900 #16899: Print a message on the screen when normalizing a test output. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16899 #16898: Fix use of incorrect Epetra function. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16898 #16896: Non-nested MG transfer: Avoid repeated access of arrays (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16896 #16895: Small improvement to RemotePointEvaluation (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16895 #16894: Added changelog for #16879. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/16894 #16892: Import the current development version of TaskFlow 3.7.0. (proposed by bangerth) https://github.com/dealii/dealii/pull/16892 #16891: FEPointEvaluation: Implement n_active_entries_per_quadrature_batch (proposed by bergbauer) https://github.com/dealii/dealii/pull/16891 #16889: Better document operator= for parallel vectors. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16889 #16887: Add get_shape_value_component() to FE_NedelecSZ (proposed by kinnewig; merged) https://github.com/dealii/dealii/pull/16887 #16886: Add get_prolongation_matrix() to FE_NedelecSZ. (proposed by kinnewig; merged) https://github.com/dealii/dealii/pull/16886 #16885: Fix typo regarding templates in step 32 (proposed by quangx; merged) https://github.com/dealii/dealii/pull/16885 #16884: Un-hardcode 2d orientation. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16884 #16883: Add GridGenerator::cylinder/subdivided_cylinder/truncated_cone to the python wrappers (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/16883 #16882: Don't define __ATOMIC_* in bundled Kokkos (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/16882 #16881: Clean up many explicit instantiations. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/16881 #16880: Epetra vector access operator (proposed by pcafrica; merged) https://github.com/dealii/dealii/pull/16880 #16879: Compatibility with SUNDIALS 7. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/16879 #16878: Step-90 TraceFEM tutorial (proposed by vyushut) https://github.com/dealii/dealii/pull/16878 #16876: Explicitly open HDF5 and then clear its floating-point exceptions. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16876 #16875: Fix a whole lot of typos. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16875 #16874: Remove two exceptions that are apparently no longer used. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16874 #16872: Mixed mesh orientation (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16872 #16870: Update documentation for GridTools::distort_random(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16870 #16869: Add DoFTools::extract_level_constant_modes() (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/16869 #16854: NonMatching::MappingInfo: Avoid memory allocations in reinit() (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16854 #16726: Also change out_stream condition when enable/disable_output (proposed by RichardYCJ; merged) https://github.com/dealii/dealii/pull/16726 #16621: Import BOOST 1.84. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16621 #15773: FECouplingValues. (proposed by luca-heltai; merged) https://github.com/dealii/dealii/pull/15773 #15572: Add InitFinalize base class of MPI_InitFinalize (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/15572 ## And this is a list of recently opened or closed discussions: #16905: MG two-level `restrict_and_add` functionality (opened) https://github.com/dealii/dealii/issues/16905 #16901: `MappingManifold` does not support `update_hessians` and similar higher order mappings (opened) https://github.com/dealii/dealii/issues/16901 #16897: TrilinosWrappers::Vector calls 32-bit functions unconditionally. (opened and closed) https://github.com/dealii/dealii/issues/16897 #16893: Changing Data types in Deal.ii examples (opened) https://github.com/dealii/dealii/issues/16893 #16890: No rule to make target 'dealii-9.5.0/build/lib/libdeal_II.g.so.9.5.0', needed by 'step-23'. (opened and closed) https://github.com/dealii/dealii/issues/16890 #16888: NonMatching::MeshClassifier: adequate treatment of face-conforming interface (opened) https://github.com/dealii/dealii/issues/16888 #16877: `LinearAlgebra::EpetraWrappers::Vector` has no operator[]() (opened and closed) https://github.com/dealii/dealii/issues/16877 #16867: Deprecation warning for VectorizedArrayIterator. (closed) https://github.com/dealii/dealii/issues/16867 #16807: Alignment warnings for exceptions containing (aligned) tensor with clang 14 (closed) https://github.com/dealii/dealii/issues/16807 #16725: Add ConditionalOStream status change after initialization (closed) https://github.com/dealii/dealii/issues/16725 #16465: Clean up the Tensor class. (closed) https://github.com/dealii/dealii/issues/16465 #16413: deal.II 9.5.1+ does not compile with Boost 1.83 (Visual Studio 2022) (closed) https://github.com/dealii/dealii/issues/16413 #15650: Performance analysis of step-68 performance test (closed) https://github.com/dealii/dealii/issues/15650 #7909: deal.II with TBB on Windows: problems with muparser (and image size) (closed) https://github.com/dealii/dealii/issues/7909 A list of all major changes since the last release can be found at https://www.dealii.org/developer/doxygen/deal.II/recent_changes.html. Thanks for being part of the community! Let us know about questions, problems, bugs or just share your experience by writing to dealii@googlegroups.com, or by opening issues or pull requests at https://www.github.com/dealii/dealii. 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