Hello everyone!

This is deal.II newsletter #69.
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:

#7767: Added hierarchy to hp::FECollection. (proposed by marcfehling) 
https://github.com/dealii/dealii/pull/7767

#7766: split SparsityPattern into a base class and derived class with a spec... 
(proposed by davydden) https://github.com/dealii/dealii/pull/7766

#7765: minor fix on documentation to enum Triangulation::MeshSmoothing 
(proposed by QiaoLei-88; merged) https://github.com/dealii/dealii/pull/7765

#7764: Detect CUDA compute capability (proposed by masterleinad) 
https://github.com/dealii/dealii/pull/7764

#7763: Fix dual dof handler sparsity (proposed by drwells) 
https://github.com/dealii/dealii/pull/7763

#7762: distribute non-local dofs (proposed by luca-heltai) 
https://github.com/dealii/dealii/pull/7762

#7760: Fix compiling with Sacado and CUDA (proposed by masterleinad) 
https://github.com/dealii/dealii/pull/7760

#7756: Proposal for non-local dofs (proposed by zhaoweiliu) 
https://github.com/dealii/dealii/pull/7756

#7755: Fixes pvtu tensor-valued output (proposed by jodlbauer; merged) 
https://github.com/dealii/dealii/pull/7755

#7754: fix internal::has_begin type trait used in FEEvaluation (proposed by 
davydden; merged) https://github.com/dealii/dealii/pull/7754

#7752: New function GridTools::guess_point_owner from covering tree (proposed 
by GivAlz) https://github.com/dealii/dealii/pull/7752

#7751: interpolate_to_different_mesh for hp::DoFHandler (proposed by 
starki0815) https://github.com/dealii/dealii/pull/7751

#7750: Work around nvcc_wrapper std::complex problem (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/7750

#7749: Guess point owner uses std::move to return tuple (proposed by GivAlz; 
merged) https://github.com/dealii/dealii/pull/7749

#7748: Define GridTools::Cache::get_covering_rtree also without nanoflann 
support (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/7748

#7747: Check SUNDIALS version when configuring (proposed by masterleinad; 
merged) https://github.com/dealii/dealii/pull/7747

#7746: More edits in the introduction of step-61. (proposed by bangerth) 
https://github.com/dealii/dealii/pull/7746

#7744: add type traits to be used internally with FEEValuation (proposed by 
davydden; merged) https://github.com/dealii/dealii/pull/7744

#7742: Avoid ambiguous function declaration/variable initialization (proposed 
by masterleinad; merged) https://github.com/dealii/dealii/pull/7742

#7736: More HDF5 checks (proposed by masterleinad; merged) 
https://github.com/dealii/dealii/pull/7736


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

#7761: Problem with mesh refinement in 3d codim 1 case (opened) 
https://github.com/dealii/dealii/issues/7761

#7759: Add/augment wiki entry for solver non-convergence (opened) 
https://github.com/dealii/dealii/issues/7759

#7758: Refactor DEAL_II_WITH_CUDA_AWARE_MPI into a non DEAL_II_WITH variable 
(opened) https://github.com/dealii/dealii/issues/7758

#7757: Allow the treatment of non-local dofs (opened) 
https://github.com/dealii/dealii/issues/7757

#7753: Fix FEEvaluation with PETSc/Trilinos parallel vectors (opened) 
https://github.com/dealii/dealii/issues/7753

#7684: a base class to provide interface for FEEvaluation complied vector? 
(closed) https://github.com/dealii/dealii/issues/7684

#5952: Add entry for vertex_dof_index to FAQ (closed) 
https://github.com/dealii/dealii/issues/5952


A list of all major changes since the last release can be found at 
https://www.dealii.org/developer/doxygen/deal.II/changes_after_8_5_0.html.


Thanks for being part of the community!


Let us know about questions, problems, bugs or just share your experience by 
writing to [email protected], 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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