Hello everyone! This is deal.II newsletter #290. 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: #17210: Make a function work with any Triangulation class. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/17210 #17209: testing step-50 to step-59 (proposed by vyushut) https://github.com/dealii/dealii/pull/17209 #17208: Fix CppCheck complaints (proposed by masterleinad) https://github.com/dealii/dealii/pull/17208 #17207: Fix clang-tidy findings (proposed by masterleinad) https://github.com/dealii/dealii/pull/17207 #17206: Run codespell. (proposed by marcfehling) https://github.com/dealii/dealii/pull/17206 #17205: Add QSupportPointsSimplex (proposed by dominiktassilostill) https://github.com/dealii/dealii/pull/17205 #17203: fix doxygen reflinks (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17203 #17201: fix tests/sundials/ida_08 (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17201 #17200: tests/examples/step-40 alternative output (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/17200 #17199: fix docker CI build (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/17199 #17198: Clean up some documentation for user pointers. (proposed by drwells) https://github.com/dealii/dealii/pull/17198 #17196: [WIP] Replace Tpetra::CrsGraph with Tpetra::FECrsGraph (proposed by kinnewig) https://github.com/dealii/dealii/pull/17196 #17194: Rename a second callback in PETScWrappers::TimeStepper. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17194 #17193: Fix the spelling of a class. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17193 #17190: Add missing include. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/17190 #17189: GridTools::Cache: set up the default Mapping in another constructor. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/17189 #17188: JumpFunction: Fix an unset variable warning. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/17188 #17187: CylindricalManifold: make the geometric data publicly accessible. (proposed by drwells) https://github.com/dealii/dealii/pull/17187 #17186: MappingFEField: check that vectors have the correct size. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/17186 #17185: Rename a callback in PETScWrappers::TimeStepper. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17185 #17184: enhance documentation of step 89 (proposed by jh66637; merged) https://github.com/dealii/dealii/pull/17184 #17183: WIP: Add wrappers for Tpetra preconditioners (proposed by jpthiele) https://github.com/dealii/dealii/pull/17183 #17182: Revert trying to fix symengine tests (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17182 #17179: Test multiarch (proposed by luca-heltai) https://github.com/dealii/dealii/pull/17179 #17175: Let AffineConstraints::make_consistent_in_parallel() iterate until converged. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/17175 #17166: Edit step-89.cc. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17166 #17157: Some edits to the documentation of step-89. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17157 #17106: Fix symengine tests by reverting printing more to deallog (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/17106 #17059: Add a class TaskResult. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/17059 #14553: MatrixFree: disable overlap of communication/computation for FE_Nothing (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14553 ## And this is a list of recently opened or closed discussions: #17204: Examples (assigned:, pr:) (opened and closed) https://github.com/dealii/dealii/issues/17204 #17202: deal.II Release 9.6 (opened) https://github.com/dealii/dealii/issues/17202 #17197: Building docker images via github-actions fails. (opened and closed) https://github.com/dealii/dealii/issues/17197 #17195: Regression tester regressed 132ad8 (opened and closed) https://github.com/dealii/dealii/issues/17195 #17192: Cmake/CTest: Option to disable building of documentation for tests (opened and closed) https://github.com/dealii/dealii/issues/17192 #17191: Do not compare output of `std::cout` for `tests/examples`. (opened) https://github.com/dealii/dealii/issues/17191 #17181: Regression tester regressed 27261c (opened and closed) https://github.com/dealii/dealii/issues/17181 #17180: Rename callbacks in PETScWrappers::TimeStepper. (opened) https://github.com/dealii/dealii/issues/17180 #17176: Regression tester regressed 05fa2e (closed) https://github.com/dealii/dealii/issues/17176 #17174: Regression tester regressed 5ca243 (closed) https://github.com/dealii/dealii/issues/17174 #17155: Difficult-to-read part in the introduction of step-89. (closed) https://github.com/dealii/dealii/issues/17155 #17154: Mistake in formula in step-89? (closed) https://github.com/dealii/dealii/issues/17154 #17128: Regression tester regressed 705d74 (closed) https://github.com/dealii/dealii/issues/17128 #17031: Regression tester regressed bb3c1c (closed) https://github.com/dealii/dealii/issues/17031 #16198: A TaskResult class. (closed) https://github.com/dealii/dealii/issues/16198 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! 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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