Hello everyone! This is deal.II newsletter #186. 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: #12828: Implement functions within instead of outside a namespace. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12828 #12827: Implement ReferenceCell::vertex(). (proposed by bangerth) https://github.com/dealii/dealii/pull/12827 #12825: Do not communicate vertices automatically to p4est in debug mode. (proposed by marcfehling) https://github.com/dealii/dealii/pull/12825 #12824: Make DataOutFaces work with simplex meshes. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12824 #12823: checkpointing test with LA::distributed::Vector (proposed by tjhei) https://github.com/dealii/dealii/pull/12823 #12822: Minor text updates to the step-49 gmsh discussion. (proposed by bangerth) https://github.com/dealii/dealii/pull/12822 #12821: Introde Utilities::MemorySpace namespace and MemoryBlock class (proposed by Rombur) https://github.com/dealii/dealii/pull/12821 #12820: Fix typos (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/12820 #12819: Enable PreconditionChebyshev to update a sub-range of vector entries (proposed by kronbichler) https://github.com/dealii/dealii/pull/12819 #12818: step-70: Remove quadrature_formula class attributes (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/12818 #12816: Generalize `GridTools::rotate` for arbitrary rotation axes. (proposed by marcfehling) https://github.com/dealii/dealii/pull/12816 #12814: Changelog entry for Step-45 (proposed by rnpratoori) https://github.com/dealii/dealii/pull/12814 #12813: Corrections in Step-45 (proposed by rnpratoori) https://github.com/dealii/dealii/pull/12813 #12812: step-72: Remove double quadrature_formula definition (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/12812 #12811: Correction of comments in step-72 (proposed by gfcas) https://github.com/dealii/dealii/pull/12811 #12810: Extend RepartitioningPolicyTools::DefaultPolicy (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12810 #12809: Avoid lambda function to compile with Intel 18/19. (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12809 #12808: Link step-82 into the tutorial page. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12808 #12807: [WIP] Tutorial: Time-harmonic Maxwell solver with perfectly matched layer (proposed by tamiko) https://github.com/dealii/dealii/pull/12807 #12806: some step-49 follow-ups (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/12806 #12805: 9.3: cherry-picking #12533: step-79: Avoid using constructor which are incompatible to Intel 18. (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12805 #12804: Fix typo (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12804 #12803: VectorizedArray: accept std::initializer_list (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12803 #12802: Better label documentation sections in sparse_matrix.h. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12802 #12801: Minor adjustments to the IDA documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12801 #12800: Use an enum class in an internal namespace. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12800 #12799: Minor edits to the ARKODE documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12799 #12798: Global coarsening: reset ghost state of internal vectors (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12798 #12797: hp Version of KellyErrorEstimator<1,spacedim> (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/12797 #12796: Correct AssertMessage for FESeries::Legendre (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/12796 #12795: Update p:d:SolutionTransfer code snippets (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/12795 #12794: Simplify code in step-82 a little bit. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12794 #12793: Add a missing instantiation. (proposed by bangerth) https://github.com/dealii/dealii/pull/12793 #12791: MappingQEulerian GMG bug (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/12791 #12448: Add tutorial program step-82 (proposed by dianeguignard; merged) https://github.com/dealii/dealii/pull/12448 #12319: Step 49 gmsh update (proposed by singima; merged) https://github.com/dealii/dealii/pull/12319 ## And this is a list of recently opened or closed discussions: #12826: step-49 example gmsh input file doesn't work (opened) https://github.com/dealii/dealii/issues/12826 #12817: Compilation with boost-1.77 fails due to "Operation not implemented" in geometry (opened) https://github.com/dealii/dealii/issues/12817 #12815: Fix typo in step-44 theory documentation (opened) https://github.com/dealii/dealii/issues/12815 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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