Hello everyone! This is deal.II newsletter #193. 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: #13035: Enable GridOut::write_gmsh() for simplex meshes (proposed by bangerth) https://github.com/dealii/dealii/pull/13035 #13033: Install tests/tests.h (proposed by peterrum) https://github.com/dealii/dealii/pull/13033 #13032: WorkStream cleanups (proposed by bangerth) https://github.com/dealii/dealii/pull/13032 #13031: Minimal change to make WorkStream work with newer TBB versions. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13031 #13029: Remove references to DEAL_II_EXPLICIT_CONSTRUCTOR_BUG. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13029 #13028: Generator for `tee` geometries. (proposed by marcfehling) https://github.com/dealii/dealii/pull/13028 #13027: Allow accessing face numbers in data postprocessors (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13027 #13026: Adjust assert in Physics::VectorRelations. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13026 #13025: Fix test `mpi/hp_step-4`. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13025 #13024: Explicitly wait for tasks to be done. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13024 #13023: Add an tutorial for distributed memory parallel simulation of heat equation (proposed by MarkMa1990) https://github.com/dealii/dealii/pull/13023 #13022: CI: replace windows-2016 by windows-2022 (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/13022 #13021: Boost includes: use BOOST_ALLOW_DEPRECATED_HEADERS to suppress warnings (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13021 #13019: Skip a bunch of work for tests that we don't actually want. (proposed by bangerth) https://github.com/dealii/dealii/pull/13019 #13018: Spawn tasks via the TBB again. (proposed by bangerth) https://github.com/dealii/dealii/pull/13018 #13017: Make evaluation_kernels only include FEEvaluationData file (proposed by kronbichler) https://github.com/dealii/dealii/pull/13017 #13016: Do not use uninitialized variable in tests (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13016 #13015: Guard a forward declaration. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13015 #13014: Avoid unnecessary memory allocation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13014 #13013: Move implementation for ShapeInfo to templates.h file (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13013 #13012: Start from zero vector for MG coarse solver (proposed by kronbichler) https://github.com/dealii/dealii/pull/13012 #13011: Use narrowest possible SIMD vector for MappingQ::InternalData (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13011 #13010: Use a simpler way to clear a vector. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13010 #13009: Use a simpler way to initialize default arguments. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13009 #13008: Functions for calculating angles between vectors. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13008 #13007: [WIP] Bundling Kokkos (proposed by Rombur) https://github.com/dealii/dealii/pull/13007 #13006: Use internal rotation matrix for airfoil. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13006 #13005: Fix a memory leak in AlignedVector. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13005 #12999: Add FEEvaluationImplHangingNodes::RunTypes::scalar (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12999 #12756: Add class NonMatching::FEValues (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/12756 ## And this is a list of recently opened or closed discussions: #13034: Wrong .prm files in step-60 (opened) https://github.com/dealii/dealii/issues/13034 #13030: SparsityPattern serialization causing segfault (opened) https://github.com/dealii/dealii/issues/13030 #13020: BOOST uses deprecated BOOST headers :-( (opened) https://github.com/dealii/dealii/issues/13020 #12998: Memory leak `Table`/`AlignedVector` (closed) https://github.com/dealii/dealii/issues/12998 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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