Hello everyone!

This is deal.II newsletter #124.
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:

#10630: Added unit_to_real and real_to_unit to BoundingBox (proposed by 
luca-heltai) https://github.com/dealii/dealii/pull/10630

#10629: Don't suppress error output from FIND_PACKAGE(deal.II ...) in examples 
(proposed by masterleinad) https://github.com/dealii/dealii/pull/10629

#10627: Remove DoFHandlerType from 
internal::DoFHandlerImplementation::Iterators (proposed by peterrum) 
https://github.com/dealii/dealii/pull/10627

#10626: Remove DoFHandlerType from different files (proposed by peterrum) 
https://github.com/dealii/dealii/pull/10626

#10625: Remove deprecated 
parallel::distributed::SolutionTransfer::prepare_serialization() (proposed by 
masterleinad) https://github.com/dealii/dealii/pull/10625

#10624: Suppress TBB deprecation warnings (proposed by masterleinad) 
https://github.com/dealii/dealii/pull/10624

#10623: Remove deprecated FiniteElement::compare_for_face_domination and 
FECollection::find_least_face_dominating_fe (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10623

#10622: Remove deprecated DataOutBase::tecplot_binary (proposed by 
masterleinad) https://github.com/dealii/dealii/pull/10622

#10621: DiscreteTime::set_next_step_size() added (proposed by rezarastak) 
https://github.com/dealii/dealii/pull/10621

#10620: Introduce a new constructor for Tensor. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/10620

#10619: Switch flip and rotation bit in quad orientation (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10619

#10618: Rename TET to simplex (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/10618

#10617: Remove DoFHandlerType from numerics/matrix_creator (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10617

#10616: Remove unused internal class (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/10616

#10615: Remove Manifolds::get_default_quadrature (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/10615

#10614: Warn against the use of certain functions. (proposed by bangerth) 
https://github.com/dealii/dealii/pull/10614

#10613: cleanup a confusing cmake doxygen message (proposed by tjhei) 
https://github.com/dealii/dealii/pull/10613

#10612: Avoid warning of unused variable in release mode (proposed by 
kronbichler; merged) https://github.com/dealii/dealii/pull/10612

#10611: Archive documentation (proposed by masterleinad) 
https://github.com/dealii/dealii/pull/10611

#10610: Remove FETools::get_fe_from_name (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10610

#10609: Remove DoFHandlerType from numerics/vector_tools (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10609

#10608: Remove DoFHandlerType from dofs/dof_tools (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10608

#10607: Fix a reference entry. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/10607

#10605: Update solver Vector documentation. (proposed by dougshidong; merged) 
https://github.com/dealii/dealii/pull/10605

#10604: broken periodicity constraints cycle (proposed by tjhei) 
https://github.com/dealii/dealii/pull/10604

#10603: Remove deprecated MatrixFree functions (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/10603

#10602: Fix two tests (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/10602

#10601: Make instantiation in tria_accessor.inst.in more systematic (proposed 
by peterrum; merged) https://github.com/dealii/dealii/pull/10601

#10600: Make instantiation in dof_accessor.inst.in more systematic (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10600

#10599: Remove DoFHandlerType from multigrid/mg_transfer.h (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10599

#10598: Remove DoFHandlerType from numerics/derivative_approximation (proposed 
by peterrum; merged) https://github.com/dealii/dealii/pull/10598

#10597: Remove FunctionMap (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10597

#10596: Require UMFPACK for step-52 (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10596

#10595: Augment documentation of project_onto_orthogonal_tensors(). (proposed 
by bangerth; merged) https://github.com/dealii/dealii/pull/10595

#10594: [CI] github actions: split into separate modules (proposed by tjhei; 
merged) https://github.com/dealii/dealii/pull/10594

#10593: Remove DoFHandlerType from dofs/dof_accessor (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10593

#10592: Fix parallel::distributed::SolutionTransfer for FENothing (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10592

#10591: Minor doc improvements. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/10591

#10589: Do not forget to set the property pool of a particle. (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/10589

#10588: Add FEInterfaceValues to ScratchData. (proposed by luca-heltai; merged) 
https://github.com/dealii/dealii/pull/10588

#10587: Remove DoFHandlerType from dofs/dof_renumbering (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10587

#10586: Augment documentation for particles. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/10586

#10585: Add an assertion. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/10585

#10583: Remove DoFHandlerType from base/parsed_convergence_table.h (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10583

#10581: Remove references to hp::DoFHandler in dof_handler_policy.cc. (proposed 
by drwells; merged) https://github.com/dealii/dealii/pull/10581

#10580: Remove an #include not used in a .h file. (proposed by bangerth; 
merged) https://github.com/dealii/dealii/pull/10580

#10578: Add missing forward declaration in slepc_spectral_transformation.h 
(proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10578

#10577: Remove deprecated UpdateFlags (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10577

#10576: Remove VectorSlice (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/10576

#10575: Remove references to hp::DoFHandler in the postprocessor. (proposed by 
drwells; merged) https://github.com/dealii/dealii/pull/10575

#10574: Remove DoFHandlerType from numerics/error_estimator.h (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10574

#10573: Add DEAL_II_WITH_TET_SUPPORT flag (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/10573

#10572: Check for deprecated functions in tutorials (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/10572

#10571: Fix CUDA build: make insertion_mutex mutable (proposed by Rombur; 
merged) https://github.com/dealii/dealii/pull/10571

#10569: Remove specialization of Tria::n_raw_lines() (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10569

#10568: Fix tests with ConstantFunction without prefix (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/10568

#10567: Remove deprecated OpenCASCADE classes (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/10567

#10565: Remove ZeroFunction and ConstantFunction without prefix (proposed by 
masterleinad; merged) https://github.com/dealii/dealii/pull/10565

#10563: Remove the deprecated DoFTools::extract_locally_owned_dofs (proposed by 
masterleinad; merged) https://github.com/dealii/dealii/pull/10563

#10562: Add FEEvaluationBase::set_cell_data() (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/10562

#10560: Introduce n_vertices(), n_lines(), n_face() in TriaAccessor  (proposed 
by peterrum; merged) https://github.com/dealii/dealii/pull/10560

#10557: Remove DoFHandlerType from FEValues templates. (proposed by drwells; 
merged) https://github.com/dealii/dealii/pull/10557

#10555: Remove DoFHandlerType from dof_handler_policy.h/.cc (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/10555

#10550: Fix detection of muParser 2.3.2. (proposed by drwells; merged) 
https://github.com/dealii/dealii/pull/10550

#10545: introduce GridTools::cell_measure for std::vector (proposed by tjhei; 
merged) https://github.com/dealii/dealii/pull/10545

#10532: Emit warning when AppleClang < 9.0 is detected (proposed by jppelteret; 
merged) https://github.com/dealii/dealii/pull/10532

#10510: Add global particles (proposed by luca-heltai; merged) 
https://github.com/dealii/dealii/pull/10510

#10475: fixes step-52 doc issue; the correct math expr is sin(x,pi/omega)=0 
(proposed by krishnakumarg1984; merged) 
https://github.com/dealii/dealii/pull/10475

#10463: Fix Trilinos::SparseMatrix::clear_row 2nd arg. (proposed by 
dougshidong; merged) https://github.com/dealii/dealii/pull/10463

#10376: Krishna fix redundant edge step50 (proposed by krishnakumarg1984; 
merged) https://github.com/dealii/dealii/pull/10376

#10027: Use lapack gesvd() for orthogonal_project (proposed by rezarastak; 
merged) https://github.com/dealii/dealii/pull/10027


## And this is a list of recently opened or closed discussions:

#10628: Improve CMAKE error message when deal.II is too old (opened) 
https://github.com/dealii/dealii/issues/10628

#10606: Choose between DEAL_II_WITH_TET_SUPPORT and 
DEAL_II_WITH_SIMPLEX_SUPPORT (opened and closed) 
https://github.com/dealii/dealii/issues/10606

#10590: Fix property pool in ParticleHandler::insert_(global_)particles() 
(opened) https://github.com/dealii/dealii/issues/10590

#10584: Assertion with particles (opened and closed) 
https://github.com/dealii/dealii/issues/10584

#10582: UML diagram about the internal data structures of Triangulation 
(opened) https://github.com/dealii/dealii/issues/10582

#10579: Bug with dim = 1 codim = 2 gmsh reader (opened) 
https://github.com/dealii/dealii/issues/10579

#10570: Parallel::Distributed::SolutionTransfer with hp::DoFHandler<dim> and 
FENothing<dim> (opened and closed) https://github.com/dealii/dealii/issues/10570

#10566: Warn about deprecated stuff in the tutorials (opened and closed) 
https://github.com/dealii/dealii/issues/10566

#10564: Dealii 9.2.0 has compilation errors under Windows when using PETSC and 
SLEPC support. (opened and closed) https://github.com/dealii/dealii/issues/10564

#10561: Improve support of cell-data vectors in MatrixFree (opened) 
https://github.com/dealii/dealii/issues/10561

#10548: muParser module doesn't work any more (closed) 
https://github.com/dealii/dealii/issues/10548

#10544: How to implement moving mesh (closed) 
https://github.com/dealii/dealii/issues/10544

#10531: shared_timed_mutex not available on older versions of MacOS (closed) 
https://github.com/dealii/dealii/issues/10531

#10330:  dyld: malformed mach-o: load commands size (33848) > 32768 (closed) 
https://github.com/dealii/dealii/issues/10330

#10009: Some improvements for project_onto_orthogonal_tensors (closed) 
https://github.com/dealii/dealii/issues/10009


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.
Additional information can be found at https://www.dealii.org/.

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