Hello everyone! This is deal.II newsletter #161. 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: #12024: Add class FEImmersedSurfaceValues (proposed by simonsticko) https://github.com/dealii/dealii/pull/12024 #12022: Add AlignedVector::replicate_across_communicator() (proposed by bangerth) https://github.com/dealii/dealii/pull/12022 #12021: Play with include files (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12021 #12020: Fix a typo. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12020 #12019: Break generation of graphical data into its own function in step-15. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12019 #12018: More work on AlignedVector (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12018 #12017: Rename member variables. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12017 #12016: Improve conformity tests of 2D vector elements (proposed by konsim83) https://github.com/dealii/dealii/pull/12016 #12015: Add classes restricting a function to a lower dimension (proposed by simonsticko) https://github.com/dealii/dealii/pull/12015 #12012: Performance improvement of MGTwoLevelTransfer (proposed by kronbichler) https://github.com/dealii/dealii/pull/12012 #12011: small readme.html fixes (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/12011 #12010: p::d:Triangulation: fewer prepare_coarsening_and_refinement calls (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/12010 #12009: Use std::unique_ptr to manage memory in AlignedVector. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12009 #12006: Unify endlines at the end of files. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12006 #12005: Some KINSOL documentation updates. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12005 #12004: Use an easier-to-read do...while loop. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12004 #12003: Add a subdivided_cylinder grid generator and test (proposed by blaisb; merged) https://github.com/dealii/dealii/pull/12003 #12002: FindARBORX: Remove library variable (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/12002 #11999: Avoid usage of the ArborX access traits in polymorphic contexts (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/11999 #11995: Deprecate DoFTools::extract_boundary_dofs() with std::vector<bool> argument (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/11995 #11991: Add settings to BoomerAMG (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/11991 #11990: Fix mistake in parameter description (proposed by vachan-potluri; merged) https://github.com/dealii/dealii/pull/11990 #11981: Added `p:d:TemporarilyMatchRefineFlags`. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/11981 #11965: FETools::Compositing::compute_nonzero_components(): add assert (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/11965 #11869: Add bool type to HDF5 (proposed by dangars; merged) https://github.com/dealii/dealii/pull/11869 ## And this is a list of recently opened or closed discussions: #12025: Fix MatrixFree::find_vector_in_mf for multiple DoFHandler/AffineConstrains (opened) https://github.com/dealii/dealii/issues/12025 #12023: On reading grid file in step-5 (opened and closed) https://github.com/dealii/dealii/issues/12023 #12014: FEPointEvaluation does not support `FE_DGQHermite` (opened) https://github.com/dealii/dealii/issues/12014 #12013: MGTwoLevelTransfer: Do we support non-FE_Q/FE_DGQ types? (opened) https://github.com/dealii/dealii/issues/12013 #12008: Allow sharing of data across MPI processes (opened) https://github.com/dealii/dealii/issues/12008 #12007: AlignedVector does not run constructor on its elements (opened and closed) https://github.com/dealii/dealii/issues/12007 #11964: FESystem segfaults if no parameter is given to the constructor (closed) https://github.com/dealii/dealii/issues/11964 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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