Hello everyone! This is deal.II newsletter #67. 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: #7729: Do not use cudaDeviceSynchronize in release mode (proposed by Rombur) https://github.com/dealii/dealii/pull/7729 #7728: Documentation: add some pointers to step-20 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/7728 #7727: lac/linear_operator.h: Add rvalue-reference variant of inverse_operator (proposed by tamiko) https://github.com/dealii/dealii/pull/7727 #7726: Patch for distribute_local_to_global (proposed by starki0815; merged) https://github.com/dealii/dealii/pull/7726 #7724: Adding cell_hint to GridTools::compute_point_locations documentation (proposed by GivAlz) https://github.com/dealii/dealii/pull/7724 #7721: reserve step-63 (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/7721 #7720: Use the usual grammar for make targets. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/7720 #7719: Remove warnings generated by step-61 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/7719 #7718: [CI]: cleanup workspaces, document, simplify tidy (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/7718 #7717: Added 'set_fe' functionality to DoFHandlers. (proposed by marcfehling) https://github.com/dealii/dealii/pull/7717 #7716: hp::DoFHandler: Moved containers with temporary content into a dedicated structure (proposed by marcfehling) https://github.com/dealii/dealii/pull/7716 #7715: [CI]: expose tests in Jenkins (proposed by tjhei) https://github.com/dealii/dealii/pull/7715 #7714: Add make_const_array_view (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/7714 #7711: add no normal flux compatibility to MGConstrainedDoFs (proposed by tcclevenger) https://github.com/dealii/dealii/pull/7711 #7710: Add default constructor to SparsityPatternIterators::Accessor (proposed by davydden; merged) https://github.com/dealii/dealii/pull/7710 #7709: examples/step-20: Use LinearOperator in the example step (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/7709 #7708: Adjust degree of PreconditionChebyshev to convention in literature (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/7708 #7707: Improve compress for cuda-aware mpi (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/7707 #7704: Unrestrict ScaLAPACKMatrix::copy_to/from (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/7704 #7701: Use size_type for rows in ChunkSparsityPattern (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/7701 #7698: Improve FEEvaluation for large number of quadrature points (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/7698 #7696: Fix initialization of LA::d::Vector in MGTransfer::copy_to_mg (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/7696 #7694: CMake: Do not automatically rebuild a project when switching build type (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/7694 #7645: Automatic transfer of active fe indices. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/7645 #7592: Optimizing NonMatching::coupling sparsity/matrix for parallel meshes (proposed by GivAlz; merged) https://github.com/dealii/dealii/pull/7592 #7584: Add point constructor from boost point (proposed by GivAlz; merged) https://github.com/dealii/dealii/pull/7584 #6979: AD Helpers: Introduce base class for QP-level helper classes (proposed by jppelteret; merged) https://github.com/dealii/dealii/pull/6979 #6455: Step 61: A tutorial program that demonstrates the weak Galerkin method (proposed by sophy1029; merged) https://github.com/dealii/dealii/pull/6455 ## And this is a list of recently opened or closed discussions: #7730: No doxygen for BoundingBox::NeighborType enumerator (opened) https://github.com/dealii/dealii/issues/7730 #7725: Change name of "Recent changes" header file (opened) https://github.com/dealii/dealii/issues/7725 #7723: Implement flexible variant of conjugate gradients (opened) https://github.com/dealii/dealii/issues/7723 #7722: Include directory missing in deal.IIConfig.cmake (opened) https://github.com/dealii/dealii/issues/7722 #7713: probable bug in compress with CUDA AWARE MPI=ON (opened) https://github.com/dealii/dealii/issues/7713 #7712: Step-61: Improve grammar and language (opened) https://github.com/dealii/dealii/issues/7712 #7702: Step 20: use LinearOperator framework instead of creating inverses and Schur complement by hand (closed) https://github.com/dealii/dealii/issues/7702 #7693: Change behavior of 'make debug' and 'make release' (closed) https://github.com/dealii/dealii/issues/7693 #7690: Fix initialization of MatrixFreeFunctions::ShapeInfo for many quadrature points (closed) https://github.com/dealii/dealii/issues/7690 #7659: VectorTools::interpolate() fails for Trilinos MPI Vector with ghost elements. (closed) https://github.com/dealii/dealii/issues/7659 #7658: Bug in distribute_local_to_global with inhomogeneities (closed) https://github.com/dealii/dealii/issues/7658 #7606: Multigrid starting from other level than finest does not work with adaptive refinement (closed) https://github.com/dealii/dealii/issues/7606 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 dealii@googlegroups.com, or by opening issues or pull requests at https://www.github.com/dealii/dealii. 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