Hello everyone! This is deal.II newsletter #235. 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: #14536: Choose to initialize ghost elements with reinit(partitioner). (proposed by marcfehling) https://github.com/dealii/dealii/pull/14536 #14535: MarchingCubeAlgorithm<1>: Remove determination of a saddle point (proposed by mschreter) https://github.com/dealii/dealii/pull/14535 #14534: Don't use __has_trivial_copy (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14534 #14533: Solver control history (proposed by vovannikov; merged) https://github.com/dealii/dealii/pull/14533 #14532: Remove a 'using' declaration in step-50 that is in the way. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14532 #14531: Step 77: fix bug (proposed by tjhei) https://github.com/dealii/dealii/pull/14531 #14530: [9.4] Fix compilation of step-70. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14530 #14529: Fix compilation of step-70. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14529 #14528: CMake: remove a number of obscure configuration options (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14528 #14527: Add to the resources for programmers mentioned in step-1. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14527 #14526: List step 12b in the list of tutorials. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14526 #14524: Avoid using dealii:: qualified names. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14524 #14523: Just do 'using namespace dealii' in main(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14523 #14522: Reference the correct step. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14522 #14521: Fix some warnings in tests (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14521 #14520: Add support for the mold linker (proposed by masterleinad) https://github.com/dealii/dealii/pull/14520 #14519: fix warning: -1 assignment to unsigned (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/14519 #14517: update changelog for release (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14517 #14516: step-85: add namespace to documentation (proposed by vyushut; merged) https://github.com/dealii/dealii/pull/14516 #14515: CMake: Bugfix: only add to the linker line what is needed (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14515 #14514: github/actions: install kokkos outside of deal.II source directory (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14514 #14513: Fix 'testing equality to None' python issue (proposed by luzpaz; merged) https://github.com/dealii/dealii/pull/14513 #14512: Fix typos in source function name (proposed by luzpaz; merged) https://github.com/dealii/dealii/pull/14512 #14511: Fix typos (proposed by luzpaz; merged) https://github.com/dealii/dealii/pull/14511 #14510: Use Kokkos in MemorySpaceData (proposed by masterleinad) https://github.com/dealii/dealii/pull/14510 #14509: github/actions: always configure and compile in separate build directory (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14509 #14508: CMake: add define_interface_target() (proposed by tamiko) https://github.com/dealii/dealii/pull/14508 #14507: CMake: Remove pkg-config pc file generation (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14507 #14506: CMake: Remove deal.IIFeatureConfig.cmake (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14506 #14505: update CI badges in readme (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/14505 #14504: Run the different parts of creating VTU output in parallel. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14504 #14503: Reorder declaration and use of local lambda functions. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14503 #14502: Add Threads::TaskGroup::return_values(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14502 #14500: CMake: silence configure warnings for ArborX and Ginkgo (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14500 #14499: Update some commentary. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14499 #14498: Remove a dependency in writing VTU files. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14498 #14497: Bundled: avoid a warning in boost::serialization (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14497 #14496: base/work_stream: remove unused using declaration (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14496 #14495: CMake: Reorganize configure_bundled() definition to bundled subdirectory (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14495 #14494: CMake: rename internal example targets to example_step_XX_<build> (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14494 #14493: CMake: rename quick tests to "quick_tests/<test>" and hook up to ctest (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14493 #14492: Don't make copies of expensive objects. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14492 #14491: CMake: port entire feature configuration to interface targets (proposed by tamiko) https://github.com/dealii/dealii/pull/14491 #14490: Encapulate different parts of write_vtu_main() into lambda functions. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14490 #14489: CMake: Bugfix: configure cxx flags for bundled kokkos at the right place (proposed by tamiko) https://github.com/dealii/dealii/pull/14489 #14482: CMake: Rework process_feature() macro (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14482 #14480: CMake: Update CMake cache config documentation (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14480 #14476: Cleanup reinit() of PETSc/Trilinos BlockVector. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14476 #14475: Introduce DEAL_II_HOST_DEV_ALWAYS_INLINE (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14475 #14457: Add Kokkos link libraries to Trilinos link libraries (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14457 #14456: Fix PETScWrappers::PreconditionBase warnings (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14456 #14443: step-85: mathjax typo in Section L^2-Error (proposed by vyushut; merged) https://github.com/dealii/dealii/pull/14443 ## And this is a list of recently opened or closed discussions: #14525: Cmake question: why is target_include_directories called with private (opened and closed) https://github.com/dealii/dealii/issues/14525 #14518: Let DoFHandler remember the index sorting strategy (opened) https://github.com/dealii/dealii/issues/14518 #14501: Make Threads::new_task callable with a lambda function as first argument. (opened) https://github.com/dealii/dealii/issues/14501 #14454: Trilinos/Kokkos: explicitly link against openmp (closed) https://github.com/dealii/dealii/issues/14454 #14430: Ghost particles are not generated across periodic boundaries (closed) https://github.com/dealii/dealii/issues/14430 #14399: compile error when i enable the p4est . (closed) https://github.com/dealii/dealii/issues/14399 #12854: constant_modes for PreconditionAMG (closed) https://github.com/dealii/dealii/issues/12854 #12271: Operator| for p::d::Tria::Settings (closed) https://github.com/dealii/dealii/issues/12271 #11982: False error for METIS in CMake (closed) https://github.com/dealii/dealii/issues/11982 #11478: Setting CXX/CC confuses CMake MPI detection (closed) https://github.com/dealii/dealii/issues/11478 #11013: Cannot build with CUDA enabled and C++17 (closed) https://github.com/dealii/dealii/issues/11013 #9626: Expensive structures being regenerated at each sort_particles_into_subdomains_and_cells for particle_handler (closed) https://github.com/dealii/dealii/issues/9626 #7116: Make FindADOLC.cmake more robust (closed) https://github.com/dealii/dealii/issues/7116 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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