Hello everyone! This is deal.II newsletter #297. 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: #17642: Workstream::run() colored implementation with TaskFlow (proposed by RyanMoulday) https://github.com/dealii/dealii/pull/17642 #17641: Fix pcout in step-75. (proposed by marcfehling) https://github.com/dealii/dealii/pull/17641 #17640: Add a test output file variant. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/17640 #17639: add GridGenerator::alfeld_split_of_simplex_mesh (proposed by tjhei) https://github.com/dealii/dealii/pull/17639 #17638: Make sure `stride_small_size` is at least 1. (proposed by marcfehling) https://github.com/dealii/dealii/pull/17638 #17637: DoFTools::extract_constant_modes() and extract_rigid_body_modes(): make ComponentMask optional (proposed by peterrum) https://github.com/dealii/dealii/pull/17637 #17635: Fix formatting issue in tutorials. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17635 #17634: Fix more warnings for unused variables (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17634 #17632: Make make_consistent_in_parallel work with no locally owned dofs. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/17632 #17631: cuda-clang tester: update clang version (and ubuntu version) (proposed by tjhei) https://github.com/dealii/dealii/pull/17631 #17630: doxygen: do not zoom out of tutorial graph (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17630 #17629: add test for simplex smoothing flags (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17629 #17628: Fix Tpetra vector compression state after add() into locally owned entry (proposed by QY-Shi; merged) https://github.com/dealii/dealii/pull/17628 #17627: Fix link to code gallery (proposed by jpthiele) https://github.com/dealii/dealii/pull/17627 #17626: Don't merge constraints, just drop constraints. (proposed by bangerth) https://github.com/dealii/dealii/pull/17626 #17625: Make a condition easier to read. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17625 #17624: Sort a set of indices before importing into IndexSet. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17624 #17623: Close an AffineConstraints object before doing anything with it. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17623 #17622: Rename a variable and better document steps. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17622 #17621: Simplify a test. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17621 #17619: Remove an MPI tag now no longer used. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17619 #17618: Substantially simplify code by using MPI::some_to_some(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17618 #17617: Finish remaining void cast tutorial PRs (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/17617 #17616: Do not print unnecessary whitespace in ParameterHandler (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/17616 #17614: CellAccessor::neighbor() documentation (proposed by rgoermer) https://github.com/dealii/dealii/pull/17614 #17612: Give a number of variables explicit types. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17612 #17611: Currently failing test for hp-constraints. (proposed by marcfehling) https://github.com/dealii/dealii/pull/17611 #17609: Added documentation about GridTools::transform() for hanging edges in 3D, and added appropriate Assert() to method (proposed by rgoermer) https://github.com/dealii/dealii/pull/17609 #17608: Fix a typo. (proposed by marcfehling) https://github.com/dealii/dealii/pull/17608 #17607: Bump crate-ci/typos from 1.23.6 to 1.24.1 (proposed by dependabot[bot]; merged) https://github.com/dealii/dealii/pull/17607 #17606: enable taskflow by default (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17606 #17605: doc: wording improvements for simplex functions (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17605 #17604: class graph: remove cuda (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17604 #17602: Convert some GeometryInfos (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17602 #17596: Add hp hanging node face test. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/17596 #17594: Fix doxygen-awesome colors (proposed by pcafrica; merged) https://github.com/dealii/dealii/pull/17594 #17593: ParameterHandler: Only keep non-default parameters during printing (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17593 #17592: Add TaskResult::emplace_object(). (proposed by bangerth) https://github.com/dealii/dealii/pull/17592 #17591: Remove deprecated entries in OutputStyle (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17591 #17590: Fix FiniteElement::has_generalized_support_points() and FiniteElement::has_face_support_points() for FE_Nothing. #17584 (proposed by OresteMarquis) https://github.com/dealii/dealii/pull/17590 #17589: remove a forgotten cuda quick_test output (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17589 #17588: added my contribution to list of minor changes (proposed by mkghadban; merged) https://github.com/dealii/dealii/pull/17588 #17584: Fix FiniteElement::has_support_points() for FE_Nothing. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17584 #17582: Portable MatrixFree: Allow initializing host vector (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17582 #17571: Update typos to 1.23.6. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/17571 #17557: Use doxygen-awesome template for the documentation (proposed by pcafrica; merged) https://github.com/dealii/dealii/pull/17557 #17553: Enable cubic simplex output by DataOut (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17553 #17550: Generalize MappingFE::compute_mapping_support_points() (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17550 #17547: SolverGMRES: Implement optimized orthogonalization also for dealii::Vector (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/17547 #17479: `DoFTools::extract_constant_modes()`: return vectors (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17479 #17477: `DoFTools`: Extract elasticity modes (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/17477 #17466: Allow to deprecate entries in ParameterHandler. (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/17466 #17442: Tpetra: Test with MemorySpace::Default (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17442 #17398: Remove step-52 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17398 #17119: Implementing Workstream::run() with Taskflow (no coloring) (proposed by RyanMoulday; merged) https://github.com/dealii/dealii/pull/17119 ## And this is a list of recently opened or closed discussions: #17643: Regression tester regressed [baseline] (opened) https://github.com/dealii/dealii/issues/17643 #17636: Regression tester regressed 0e2a9a (opened and closed) https://github.com/dealii/dealii/issues/17636 #17633: 'integer divide by zero' in `ComputeIndexOwner` (opened) https://github.com/dealii/dealii/issues/17633 #17620: Test lac/constraints_make_consistent_in_parallel_03 is broken. (opened) https://github.com/dealii/dealii/issues/17620 #17615: Inconsistency in Tpetra Distributed Vector's `add()` function (opened and closed) https://github.com/dealii/dealii/issues/17615 #17613: Provide DoFTools::extract_constant_modes()'s second argument with a default value. (opened) https://github.com/dealii/dealii/issues/17613 #17610: Default template argument for Tpetra classes (opened) https://github.com/dealii/dealii/issues/17610 #17603: Iterative Improvements to the WorkStream no coloring implementation using TaskFlow (opened) https://github.com/dealii/dealii/issues/17603 #17601: simplex refine error (opened and closed) https://github.com/dealii/dealii/issues/17601 #17600: documentation graph not clickable (opened and closed) https://github.com/dealii/dealii/issues/17600 #17599: Bug in AffineConstraints::make_consistent_in_parallel(). (opened) https://github.com/dealii/dealii/issues/17599 #17598: Post-workshop suggestion 2: print warning that one uses debug mode (opened) https://github.com/dealii/dealii/issues/17598 #17597: Post-workshop suggestion 1: make code snippets more accessible (opened) https://github.com/dealii/dealii/issues/17597 #17595: Bug in DoFTools::make_hanging_node_constraints(). (opened and closed) https://github.com/dealii/dealii/issues/17595 #17464: Add option to deprecate ParameterHandler entries (closed) https://github.com/dealii/dealii/issues/17464 #12689: manifold_id set wrong for simplices (closed) https://github.com/dealii/dealii/issues/12689 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! 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