From 679fdcd9601779e229b2740dc761930cdc40c1d3 Mon Sep 17 00:00:00 2001
From: Daniel Arndt <arndtd@ornl.gov>
Date: Mon, 8 Jul 2024 12:59:36 -0400
Subject: [PATCH] Update copyright years

---
 cmake/config/Config.cmake.in                                    | 2 +-
 cmake/configure/configure_10_taskflow.cmake                     | 2 +-
 cmake/configure/configure_50_arborx.cmake                       | 2 +-
 cmake/macros/macro_deal_ii_setup_target.cmake                   | 2 +-
 cmake/macros/macro_expand_instantiations.cmake                  | 2 +-
 cmake/macros/macro_insource_setup_target.cmake                  | 2 +-
 cmake/modules/FindDEAL_II_OPENCASCADE.cmake                     | 2 +-
 cmake/modules/FindDEAL_II_SUNDIALS.cmake                        | 2 +-
 cmake/scripts/normalize.pl                                      | 2 +-
 cmake/scripts/run_test.sh                                       | 2 +-
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 tests/mappings/mapping_q_real_to_unit_internal.cc               | 2 +-
 tests/matrix_free/compute_diagonal_08.cc                        | 2 +-
 tests/matrix_free/compute_diagonal_09.cc                        | 2 +-
 tests/matrix_free/evaluate_1d_shape_10.cc                       | 2 +-
 tests/matrix_free/fe_evaluation_type_traits.cc                  | 2 +-
 tests/matrix_free/fe_nothing_02.cc                              | 2 +-
 tests/matrix_free/hanging_node_kernels_01.cc                    | 2 +-
 tests/matrix_free/matrix_vector_mf.h                            | 2 +-
 tests/matrix_free/step-48.cc                                    | 2 +-
 tests/matrix_free/step-48c.cc                                   | 2 +-
 tests/matrix_free/tensor_product_evaluate_01.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_02.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_03.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_04.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_05.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_06.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_07.cc                 | 2 +-
 tests/matrix_free/tensor_product_evaluate_08.cc                 | 2 +-
 tests/meshworker/scratch_data_04.cc                             | 2 +-
 tests/meshworker/scratch_data_05.cc                             | 2 +-
 tests/meshworker/scratch_data_06.cc                             | 2 +-
 tests/meshworker/scratch_data_07.cc                             | 2 +-
 tests/meshworker/scratch_data_09a.cc                            | 2 +-
 tests/meshworker/scratch_data_09a_hp.cc                         | 2 +-
 tests/meshworker/scratch_data_09b.cc                            | 2 +-
 tests/meshworker/scratch_data_09b_hp.cc                         | 2 +-
 tests/meshworker/scratch_data_09c.cc                            | 2 +-
 tests/meshworker/scratch_data_09c_hp.cc                         | 2 +-
 tests/meshworker/scratch_data_09d.cc                            | 2 +-
 tests/meshworker/scratch_data_09d_hp.cc                         | 2 +-
 tests/meshworker/scratch_data_10a.cc                            | 2 +-
 tests/meshworker/scratch_data_10a_hp.cc                         | 2 +-
 tests/meshworker/scratch_data_10b.cc                            | 2 +-
 tests/meshworker/scratch_data_10b_hp.cc                         | 2 +-
 tests/mpi/extract_constant_modes_04.cc                          | 2 +-
 tests/mpi/hp_step-4.cc                                          | 2 +-
 tests/mpi/muelu_periodicity.cc                                  | 2 +-
 tests/mpi/parallel_block_vector_13.cc                           | 2 +-
 tests/mpi/project_bv_div_conf.cc                                | 2 +-
 tests/multigrid-global-coarsening/interpolate_up_down_01.cc     | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_01.cc           | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_02.cc           | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_03.cc           | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_04.cc           | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_05.cc           | 2 +-
 tests/multigrid-global-coarsening/mg_transfer_a_06.cc           | 2 +-
 tests/multithreading/task_17.cc                                 | 2 +-
 tests/multithreading/task_result_01.cc                          | 2 +-
 tests/multithreading/task_result_02.cc                          | 2 +-
 tests/parameter_handler/parameter_handler_read_json_01.cc       | 2 +-
 tests/parameter_handler/parameter_handler_read_json_02.cc       | 2 +-
 tests/parameter_handler/parameter_handler_read_json_03.cc       | 2 +-
 tests/parameter_handler/parameter_handler_read_json_04.cc       | 2 +-
 tests/particles/generators_05.cc                                | 2 +-
 tests/particles/generators_06.cc                                | 2 +-
 tests/particles/generators_07.cc                                | 2 +-
 tests/particles/generators_08.cc                                | 2 +-
 tests/particles/generators_09.cc                                | 2 +-
 tests/particles/generators_10.cc                                | 2 +-
 tests/particles/generators_11.cc                                | 2 +-
 tests/particles/generators_12.cc                                | 2 +-
 tests/particles/generators_13.cc                                | 2 +-
 tests/particles/particle_handler_05.cc                          | 2 +-
 tests/particles/particle_handler_07.cc                          | 2 +-
 tests/particles/particle_handler_refinement_outside_cell.cc     | 2 +-
 tests/particles/particle_handler_refinement_outside_cell_02.cc  | 2 +-
 tests/particles/particle_handler_serial_07.cc                   | 2 +-
 tests/performance/timing_mg_glob_coarsen.cc                     | 2 +-
 tests/petsc/deal_solver_03.cc                                   | 2 +-
 tests/petsc/petsc_ts_03.cc                                      | 2 +-
 tests/physics/elasticity-kinematics_01.cc                       | 2 +-
 tests/sacado/basic_01b.cc                                       | 2 +-
 tests/sacado/basic_02b.cc                                       | 2 +-
 tests/serialization/particle_handler_01.cc                      | 2 +-
 tests/serialization/particle_handler_02.cc                      | 2 +-
 tests/serialization/particle_handler_03.cc                      | 2 +-
 tests/serialization/particle_handler_04.cc                      | 2 +-
 tests/simplex/orientation_02.cc                                 | 2 +-
 tests/simplex/orientation_06.cc                                 | 2 +-
 tests/simplex/refinement_04.cc                                  | 2 +-
 tests/simplex/refinement_05.cc                                  | 2 +-
 tests/sundials/arkode_01.cc                                     | 2 +-
 tests/sundials/ida_01.cc                                        | 2 +-
 tests/sundials/ida_02.cc                                        | 2 +-
 tests/sundials/ida_06.cc                                        | 2 +-
 tests/sundials/ida_07.cc                                        | 2 +-
 tests/sundials/ida_08.cc                                        | 2 +-
 tests/sundials/ida_09.cc                                        | 2 +-
 tests/sundials/kinsol_09.cc                                     | 2 +-
 tests/symengine/basic_05.cc                                     | 2 +-
 tests/symengine/basic_06.cc                                     | 2 +-
 tests/symengine/basic_07.cc                                     | 2 +-
 tests/symengine/sd_common_tests/batch_optimizer_01.h            | 2 +-
 tests/symengine/sd_common_tests/cse_03.h                        | 2 +-
 tests/symengine/sd_common_tests/step-44-sd-quadrature_level.h   | 2 +-
 tests/symengine/sd_common_tests/utilities.h                     | 2 +-
 tests/symengine/substitution_maps_cyclic_dependencies_01.cc     | 2 +-
 tests/symengine/substitution_maps_cyclic_dependencies_02.cc     | 2 +-
 tests/symengine/substitution_maps_scalar_01.cc                  | 2 +-
 tests/symengine/symengine_number_type_01.cc                     | 2 +-
 tests/symengine/symengine_number_type_02.cc                     | 2 +-
 tests/symengine/symengine_tensor_operations_03.cc               | 2 +-
 tests/symengine/symengine_tensor_operations_04.cc               | 2 +-
 tests/tensors/constexpr_tensor.cc                               | 2 +-
 tests/tests.h                                                   | 2 +-
 tests/trilinos/deal_solver_03.cc                                | 2 +-
 tests/trilinos/direct_solver_3.cc                               | 2 +-
 tests/trilinos/epetra_vector_reference_01.cc                    | 2 +-
 tests/trilinos/vector_reference_01.cc                           | 2 +-
 tests/trilinos_tpetra/sparse_matrix_set_01.cc                   | 2 +-
 tests/trilinos_tpetra/sparse_matrix_set_02.cc                   | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_01.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_02.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_03.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_04.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_05.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_06.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_07.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_08.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_09.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_10.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_11.cc     | 2 +-
 tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_12.cc     | 2 +-
 492 files changed, 492 insertions(+), 492 deletions(-)

diff --git a/cmake/config/Config.cmake.in b/cmake/config/Config.cmake.in
index dcc17568a8..a9a9736be7 100644
--- a/cmake/config/Config.cmake.in
+++ b/cmake/config/Config.cmake.in
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/configure/configure_10_taskflow.cmake b/cmake/configure/configure_10_taskflow.cmake
index 5bba738d1b..9298f02348 100644
--- a/cmake/configure/configure_10_taskflow.cmake
+++ b/cmake/configure/configure_10_taskflow.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2013 - 2022 by the deal.II authors
+## Copyright (C) 2013 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/configure/configure_50_arborx.cmake b/cmake/configure/configure_50_arborx.cmake
index 584d51788c..2fd680b07f 100644
--- a/cmake/configure/configure_50_arborx.cmake
+++ b/cmake/configure/configure_50_arborx.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2021 - 2023 by the deal.II authors
+## Copyright (C) 2021 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/macros/macro_deal_ii_setup_target.cmake b/cmake/macros/macro_deal_ii_setup_target.cmake
index 4024eed956..5c9ed11ba3 100644
--- a/cmake/macros/macro_deal_ii_setup_target.cmake
+++ b/cmake/macros/macro_deal_ii_setup_target.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/macros/macro_expand_instantiations.cmake b/cmake/macros/macro_expand_instantiations.cmake
index 889ef74d52..489be88d7b 100644
--- a/cmake/macros/macro_expand_instantiations.cmake
+++ b/cmake/macros/macro_expand_instantiations.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2022 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/macros/macro_insource_setup_target.cmake b/cmake/macros/macro_insource_setup_target.cmake
index c037ac0a46..3359f06c57 100644
--- a/cmake/macros/macro_insource_setup_target.cmake
+++ b/cmake/macros/macro_insource_setup_target.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2013 - 2023 by the deal.II authors
+## Copyright (C) 2013 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/modules/FindDEAL_II_OPENCASCADE.cmake b/cmake/modules/FindDEAL_II_OPENCASCADE.cmake
index 5ef4d6aa8d..5bbfe2430f 100644
--- a/cmake/modules/FindDEAL_II_OPENCASCADE.cmake
+++ b/cmake/modules/FindDEAL_II_OPENCASCADE.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2014 - 2022 by the deal.II authors
+## Copyright (C) 2014 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/modules/FindDEAL_II_SUNDIALS.cmake b/cmake/modules/FindDEAL_II_SUNDIALS.cmake
index db2c8cea42..5467c6abd5 100644
--- a/cmake/modules/FindDEAL_II_SUNDIALS.cmake
+++ b/cmake/modules/FindDEAL_II_SUNDIALS.cmake
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2017 - 2022 by the deal.II authors
+## Copyright (C) 2017 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/scripts/normalize.pl b/cmake/scripts/normalize.pl
index ae5000e206..57b2a3c1ba 100644
--- a/cmake/scripts/normalize.pl
+++ b/cmake/scripts/normalize.pl
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2001 - 2015 by the deal.II authors
+## Copyright (C) 2001 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/cmake/scripts/run_test.sh b/cmake/scripts/run_test.sh
index 4552c2f136..a7a740ff45 100644
--- a/cmake/scripts/run_test.sh
+++ b/cmake/scripts/run_test.sh
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2015 - 2023 by the deal.II authors
+## Copyright (C) 2015 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/contrib/python-bindings/include/triangulation_wrapper.h b/contrib/python-bindings/include/triangulation_wrapper.h
index ee91e67a29..c10f98e8dd 100644
--- a/contrib/python-bindings/include/triangulation_wrapper.h
+++ b/contrib/python-bindings/include/triangulation_wrapper.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/contrib/python-bindings/source/export_triangulation.cc b/contrib/python-bindings/source/export_triangulation.cc
index 18aeba4b47..0cf7166fdf 100644
--- a/contrib/python-bindings/source/export_triangulation.cc
+++ b/contrib/python-bindings/source/export_triangulation.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/contrib/python-bindings/source/point_wrapper.cc b/contrib/python-bindings/source/point_wrapper.cc
index 0710b7b75c..064ac122db 100644
--- a/contrib/python-bindings/source/point_wrapper.cc
+++ b/contrib/python-bindings/source/point_wrapper.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2021 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/contrib/python-bindings/source/triangulation_wrapper.cc b/contrib/python-bindings/source/triangulation_wrapper.cc
index 17f0056a98..96a7b13777 100644
--- a/contrib/python-bindings/source/triangulation_wrapper.cc
+++ b/contrib/python-bindings/source/triangulation_wrapper.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/contrib/python-bindings/tests/triangulation_wrapper.py b/contrib/python-bindings/tests/triangulation_wrapper.py
index 94abfbf006..5bdc5a9b01 100644
--- a/contrib/python-bindings/tests/triangulation_wrapper.py
+++ b/contrib/python-bindings/tests/triangulation_wrapper.py
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2016 - 2023 by the deal.II authors
+## Copyright (C) 2016 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/contrib/utilities/indent_common.sh b/contrib/utilities/indent_common.sh
index da3d30708f..f4dfd8e01f 100644
--- a/contrib/utilities/indent_common.sh
+++ b/contrib/utilities/indent_common.sh
@@ -2,7 +2,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2018 - 2023 by the deal.II authors
+## Copyright (C) 2018 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/doc/doxygen/CMakeLists.txt b/doc/doxygen/CMakeLists.txt
index f0e6246a20..ac62075a00 100644
--- a/doc/doxygen/CMakeLists.txt
+++ b/doc/doxygen/CMakeLists.txt
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/doc/doxygen/headers/automatic_and_symbolic_differentiation.h b/doc/doxygen/headers/automatic_and_symbolic_differentiation.h
index b4d224714e..615cfadd8e 100644
--- a/doc/doxygen/headers/automatic_and_symbolic_differentiation.h
+++ b/doc/doxygen/headers/automatic_and_symbolic_differentiation.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2022 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/doxygen/headers/io.h b/doc/doxygen/headers/io.h
index 45a64e78e1..4bf8982fe6 100644
--- a/doc/doxygen/headers/io.h
+++ b/doc/doxygen/headers/io.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2006 - 2020 by the deal.II authors
+// Copyright (C) 2006 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/doxygen/headers/mg.h b/doc/doxygen/headers/mg.h
index e4fb07bebe..5bebca1efa 100644
--- a/doc/doxygen/headers/mg.h
+++ b/doc/doxygen/headers/mg.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2003 - 2020 by the deal.II authors
+// Copyright (C) 2003 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/3.0.0-vs-3.1.0.h b/doc/news/3.0.0-vs-3.1.0.h
index 2b2e330840..82cfd86691 100644
--- a/doc/news/3.0.0-vs-3.1.0.h
+++ b/doc/news/3.0.0-vs-3.1.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/3.2.0-vs-3.3.0.h b/doc/news/3.2.0-vs-3.3.0.h
index 406557a8d2..7026696853 100644
--- a/doc/news/3.2.0-vs-3.3.0.h
+++ b/doc/news/3.2.0-vs-3.3.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/3.4.0-vs-4.0.0.h b/doc/news/3.4.0-vs-4.0.0.h
index b653cdce92..a1913df9fd 100644
--- a/doc/news/3.4.0-vs-4.0.0.h
+++ b/doc/news/3.4.0-vs-4.0.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/5.2.0-vs-6.0.0.h b/doc/news/5.2.0-vs-6.0.0.h
index dcb531dc17..46ee07061c 100644
--- a/doc/news/5.2.0-vs-6.0.0.h
+++ b/doc/news/5.2.0-vs-6.0.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/6.2.0-vs-6.3.0.h b/doc/news/6.2.0-vs-6.3.0.h
index 662118f99e..a210b3ab2d 100644
--- a/doc/news/6.2.0-vs-6.3.0.h
+++ b/doc/news/6.2.0-vs-6.3.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/7.0.0-vs-7.1.0.h b/doc/news/7.0.0-vs-7.1.0.h
index 6691ca9fe1..03a974629a 100644
--- a/doc/news/7.0.0-vs-7.1.0.h
+++ b/doc/news/7.0.0-vs-7.1.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2023 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/7.1.0-vs-7.2.0.h b/doc/news/7.1.0-vs-7.2.0.h
index 673ef6a3a6..be07e12f34 100644
--- a/doc/news/7.1.0-vs-7.2.0.h
+++ b/doc/news/7.1.0-vs-7.2.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/7.3.0-vs-8.0.0.h b/doc/news/7.3.0-vs-8.0.0.h
index 0b94629ca2..4b4fb07aef 100644
--- a/doc/news/7.3.0-vs-8.0.0.h
+++ b/doc/news/7.3.0-vs-8.0.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/8.2.1-vs-8.3.0.h b/doc/news/8.2.1-vs-8.3.0.h
index 762164cd78..a6672e0ecb 100644
--- a/doc/news/8.2.1-vs-8.3.0.h
+++ b/doc/news/8.2.1-vs-8.3.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2023 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/8.3.0-vs-8.4.0.h b/doc/news/8.3.0-vs-8.4.0.h
index 62b99936e8..9ae520c723 100644
--- a/doc/news/8.3.0-vs-8.4.0.h
+++ b/doc/news/8.3.0-vs-8.4.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2023 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/8.4.2-vs-8.5.0.h b/doc/news/8.4.2-vs-8.5.0.h
index e714f76612..bd2a9b58b4 100644
--- a/doc/news/8.4.2-vs-8.5.0.h
+++ b/doc/news/8.4.2-vs-8.5.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/8.5.0-vs-9.0.0.h b/doc/news/8.5.0-vs-9.0.0.h
index 4a19cace0a..4fd133a5e5 100644
--- a/doc/news/8.5.0-vs-9.0.0.h
+++ b/doc/news/8.5.0-vs-9.0.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.0.1-vs-9.1.0.h b/doc/news/9.0.1-vs-9.1.0.h
index f2f6aebb6a..a427cf3763 100644
--- a/doc/news/9.0.1-vs-9.1.0.h
+++ b/doc/news/9.0.1-vs-9.1.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.1.1-vs-9.2.0.h b/doc/news/9.1.1-vs-9.2.0.h
index efc152b663..040635fb7b 100644
--- a/doc/news/9.1.1-vs-9.2.0.h
+++ b/doc/news/9.1.1-vs-9.2.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.2.0-vs-9.3.0.h b/doc/news/9.2.0-vs-9.3.0.h
index 1b6de2294c..32972df73d 100644
--- a/doc/news/9.2.0-vs-9.3.0.h
+++ b/doc/news/9.2.0-vs-9.3.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.3.1-vs-9.3.2.h b/doc/news/9.3.1-vs-9.3.2.h
index 3c01c34005..1ded2e43b6 100644
--- a/doc/news/9.3.1-vs-9.3.2.h
+++ b/doc/news/9.3.1-vs-9.3.2.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.3.3-vs-9.4.0.h b/doc/news/9.3.3-vs-9.4.0.h
index 79fe4e8ffe..452ba65507 100644
--- a/doc/news/9.3.3-vs-9.4.0.h
+++ b/doc/news/9.3.3-vs-9.4.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/doc/news/9.4.0-vs-9.5.0.h b/doc/news/9.4.0-vs-9.5.0.h
index e355b7897f..f0b4294d56 100644
--- a/doc/news/9.4.0-vs-9.5.0.h
+++ b/doc/news/9.4.0-vs-9.5.0.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/examples/doxygen/step_3_simplex.cc b/examples/doxygen/step_3_simplex.cc
index 66fee20c81..5da87cd8fb 100644
--- a/examples/doxygen/step_3_simplex.cc
+++ b/examples/doxygen/step_3_simplex.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2023 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-11/step-11.cc b/examples/step-11/step-11.cc
index 0961220a02..ae1ff617d3 100644
--- a/examples/step-11/step-11.cc
+++ b/examples/step-11/step-11.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2001 - 2023 by the deal.II authors
+ * Copyright (C) 2001 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-14/step-14.cc b/examples/step-14/step-14.cc
index dba910ca0b..e4aba7f6c4 100644
--- a/examples/step-14/step-14.cc
+++ b/examples/step-14/step-14.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2002 - 2023 by the deal.II authors
+ * Copyright (C) 2002 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-15/step-15.cc b/examples/step-15/step-15.cc
index c4b366581d..acb0a61feb 100644
--- a/examples/step-15/step-15.cc
+++ b/examples/step-15/step-15.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2012 - 2023 by the deal.II authors
+ * Copyright (C) 2012 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-16/step-16.cc b/examples/step-16/step-16.cc
index 236b42183e..3eef6cd2ef 100644
--- a/examples/step-16/step-16.cc
+++ b/examples/step-16/step-16.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2003 - 2023 by the deal.II authors
+ * Copyright (C) 2003 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-19/step-19.cc b/examples/step-19/step-19.cc
index 5ff1429c46..b282bb4f1a 100644
--- a/examples/step-19/step-19.cc
+++ b/examples/step-19/step-19.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2020 - 2023 by the deal.II authors
+ * Copyright (C) 2020 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-2/step-2.cc b/examples/step-2/step-2.cc
index 0fb56adf4d..6a542aeed7 100644
--- a/examples/step-2/step-2.cc
+++ b/examples/step-2/step-2.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 1999 - 2023 by the deal.II authors
+ * Copyright (C) 1999 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-20/step-20.cc b/examples/step-20/step-20.cc
index b9401951a0..3e56c528de 100644
--- a/examples/step-20/step-20.cc
+++ b/examples/step-20/step-20.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2005 - 2023 by the deal.II authors
+ * Copyright (C) 2005 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-22/step-22.cc b/examples/step-22/step-22.cc
index 73b790d19b..9fcfc2a36b 100644
--- a/examples/step-22/step-22.cc
+++ b/examples/step-22/step-22.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2008 - 2023 by the deal.II authors
+ * Copyright (C) 2008 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-23/step-23.cc b/examples/step-23/step-23.cc
index 9798a29e52..50839a5866 100644
--- a/examples/step-23/step-23.cc
+++ b/examples/step-23/step-23.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2006 - 2023 by the deal.II authors
+ * Copyright (C) 2006 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-24/step-24.cc b/examples/step-24/step-24.cc
index eee6afacb3..95ebcf3b32 100644
--- a/examples/step-24/step-24.cc
+++ b/examples/step-24/step-24.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2006 - 2023 by the deal.II authors
+ * Copyright (C) 2006 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-26/step-26.cc b/examples/step-26/step-26.cc
index b70c5b8d16..a1493d5648 100644
--- a/examples/step-26/step-26.cc
+++ b/examples/step-26/step-26.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2013 - 2023 by the deal.II authors
+ * Copyright (C) 2013 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-27/step-27.cc b/examples/step-27/step-27.cc
index d38d0d1b27..5845e64520 100644
--- a/examples/step-27/step-27.cc
+++ b/examples/step-27/step-27.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2006 - 2023 by the deal.II authors
+ * Copyright (C) 2006 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-28/step-28.cc b/examples/step-28/step-28.cc
index 1951221138..9494df4624 100644
--- a/examples/step-28/step-28.cc
+++ b/examples/step-28/step-28.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2009 - 2023 by the deal.II authors
+ * Copyright (C) 2009 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-29/step-29.cc b/examples/step-29/step-29.cc
index 545c574564..536a7eef4b 100644
--- a/examples/step-29/step-29.cc
+++ b/examples/step-29/step-29.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2007 - 2023 by the deal.II authors
+ * Copyright (C) 2007 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-3/step-3.cc b/examples/step-3/step-3.cc
index d7ba31def8..b7933e602d 100644
--- a/examples/step-3/step-3.cc
+++ b/examples/step-3/step-3.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 1999 - 2023 by the deal.II authors
+ * Copyright (C) 1999 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-36/step-36.cc b/examples/step-36/step-36.cc
index 959c60834e..cc0780fbc6 100644
--- a/examples/step-36/step-36.cc
+++ b/examples/step-36/step-36.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2009 - 2023 by the deal.II authors
+ * Copyright (C) 2009 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-37/step-37.cc b/examples/step-37/step-37.cc
index 5515fcb247..43d7843d94 100644
--- a/examples/step-37/step-37.cc
+++ b/examples/step-37/step-37.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2009 - 2023 by the deal.II authors
+ * Copyright (C) 2009 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-39/step-39.cc b/examples/step-39/step-39.cc
index b423668346..48227bb32b 100644
--- a/examples/step-39/step-39.cc
+++ b/examples/step-39/step-39.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2010 - 2023 by the deal.II authors
+ * Copyright (C) 2010 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-40/step-40.cc b/examples/step-40/step-40.cc
index 2129316a88..6f5be975c4 100644
--- a/examples/step-40/step-40.cc
+++ b/examples/step-40/step-40.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2010 - 2023 by the deal.II authors
+ * Copyright (C) 2010 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-45/step-45.cc b/examples/step-45/step-45.cc
index 6cb44141fd..249bbeb15d 100644
--- a/examples/step-45/step-45.cc
+++ b/examples/step-45/step-45.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2010 - 2023 by the deal.II authors
+ * Copyright (C) 2010 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-48/step-48.cc b/examples/step-48/step-48.cc
index 62aca03488..fda1da3409 100644
--- a/examples/step-48/step-48.cc
+++ b/examples/step-48/step-48.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2012 - 2023 by the deal.II authors
+ * Copyright (C) 2012 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-5/step-5.cc b/examples/step-5/step-5.cc
index 62a8687db9..e7ceeb01d3 100644
--- a/examples/step-5/step-5.cc
+++ b/examples/step-5/step-5.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 1999 - 2023 by the deal.II authors
+ * Copyright (C) 1999 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-54/step-54.cc b/examples/step-54/step-54.cc
index de54e4df3c..1fbcaf6b74 100644
--- a/examples/step-54/step-54.cc
+++ b/examples/step-54/step-54.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2014 - 2023 by the deal.II authors
+ * Copyright (C) 2014 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-58/step-58.cc b/examples/step-58/step-58.cc
index 48e5adb15b..744d926acc 100644
--- a/examples/step-58/step-58.cc
+++ b/examples/step-58/step-58.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2020 - 2023 by the deal.II authors
+ * Copyright (C) 2020 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-59/step-59.cc b/examples/step-59/step-59.cc
index c114646874..ee53c1c8d3 100644
--- a/examples/step-59/step-59.cc
+++ b/examples/step-59/step-59.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2018 - 2023 by the deal.II authors
+ * Copyright (C) 2018 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-6/step-6.cc b/examples/step-6/step-6.cc
index 5ad5b706d8..bab8c3936b 100644
--- a/examples/step-6/step-6.cc
+++ b/examples/step-6/step-6.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2000 - 2023 by the deal.II authors
+ * Copyright (C) 2000 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-60/step-60.cc b/examples/step-60/step-60.cc
index fa4a8e47ee..de0c588d65 100644
--- a/examples/step-60/step-60.cc
+++ b/examples/step-60/step-60.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2018 - 2023 by the deal.II authors
+ * Copyright (C) 2018 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-61/step-61.cc b/examples/step-61/step-61.cc
index 42fcaa7c9c..098942c486 100644
--- a/examples/step-61/step-61.cc
+++ b/examples/step-61/step-61.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-65/step-65.cc b/examples/step-65/step-65.cc
index 9eb4466bf3..fe3efad86e 100644
--- a/examples/step-65/step-65.cc
+++ b/examples/step-65/step-65.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-66/step-66.cc b/examples/step-66/step-66.cc
index cc0d2b9155..fc250ae1d3 100644
--- a/examples/step-66/step-66.cc
+++ b/examples/step-66/step-66.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2023 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-70/step-70.cc b/examples/step-70/step-70.cc
index 268d57c8fb..80a4abb487 100644
--- a/examples/step-70/step-70.cc
+++ b/examples/step-70/step-70.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2020 - 2023 by the deal.II authors
+ * Copyright (C) 2020 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-72/step-72.cc b/examples/step-72/step-72.cc
index e76e63510b..e7d42365ed 100644
--- a/examples/step-72/step-72.cc
+++ b/examples/step-72/step-72.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2023 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-77/step-77.cc b/examples/step-77/step-77.cc
index 0b573cc489..dc4d1436e9 100644
--- a/examples/step-77/step-77.cc
+++ b/examples/step-77/step-77.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2023 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-81/step-81.cc b/examples/step-81/step-81.cc
index eceef077c5..3313cf66e4 100644
--- a/examples/step-81/step-81.cc
+++ b/examples/step-81/step-81.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2022 - 2023 by the deal.II authors
+ * Copyright (C) 2022 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-87/step-87.cc b/examples/step-87/step-87.cc
index 18210625d0..aeee8d067c 100644
--- a/examples/step-87/step-87.cc
+++ b/examples/step-87/step-87.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2023 by the deal.II authors
+ * Copyright (C) 2023 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/examples/step-89/step-89.cc b/examples/step-89/step-89.cc
index 3d2d29015d..0301bcbb4e 100644
--- a/examples/step-89/step-89.cc
+++ b/examples/step-89/step-89.cc
@@ -1,6 +1,6 @@
 /* ---------------------------------------------------------------------
  *
- * Copyright (C) 2023 by the deal.II authors
+ * Copyright (C) 2023 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/include/deal.II/algorithms/any_data.h b/include/deal.II/algorithms/any_data.h
index c23fa925e8..b1e257a020 100644
--- a/include/deal.II/algorithms/any_data.h
+++ b/include/deal.II/algorithms/any_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2023 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/algorithms/general_data_storage.h b/include/deal.II/algorithms/general_data_storage.h
index cf6f9c989c..04ae26bbe7 100644
--- a/include/deal.II/algorithms/general_data_storage.h
+++ b/include/deal.II/algorithms/general_data_storage.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/algorithms/newton.templates.h b/include/deal.II/algorithms/newton.templates.h
index 6feed39cc7..ec0447a2e5 100644
--- a/include/deal.II/algorithms/newton.templates.h
+++ b/include/deal.II/algorithms/newton.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2019 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/algorithms/timestep_control.h b/include/deal.II/algorithms/timestep_control.h
index 72aed99d98..8d79fd0ba0 100644
--- a/include/deal.II/algorithms/timestep_control.h
+++ b/include/deal.II/algorithms/timestep_control.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2022 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/arborx/access_traits.h b/include/deal.II/arborx/access_traits.h
index 947658826f..b1f80496de 100644
--- a/include/deal.II/arborx/access_traits.h
+++ b/include/deal.II/arborx/access_traits.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2022 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/arborx/distributed_tree.h b/include/deal.II/arborx/distributed_tree.h
index 69d09ea682..5483eddc4e 100644
--- a/include/deal.II/arborx/distributed_tree.h
+++ b/include/deal.II/arborx/distributed_tree.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/aligned_vector.h b/include/deal.II/base/aligned_vector.h
index 2f9b63ef9e..28777fbc9c 100644
--- a/include/deal.II/base/aligned_vector.h
+++ b/include/deal.II/base/aligned_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2023 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/array_view.h b/include/deal.II/base/array_view.h
index ba129a8ef7..dcfcd17e57 100644
--- a/include/deal.II/base/array_view.h
+++ b/include/deal.II/base/array_view.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/derivative_form.h b/include/deal.II/base/derivative_form.h
index 455bc11188..e688462da8 100644
--- a/include/deal.II/base/derivative_form.h
+++ b/include/deal.II/base/derivative_form.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/floating_point_comparator.h b/include/deal.II/base/floating_point_comparator.h
index c3a468784a..226e8fb63c 100644
--- a/include/deal.II/base/floating_point_comparator.h
+++ b/include/deal.II/base/floating_point_comparator.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/function_lib.h b/include/deal.II/base/function_lib.h
index 3559bb335a..c35f1d4e78 100644
--- a/include/deal.II/base/function_lib.h
+++ b/include/deal.II/base/function_lib.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/init_finalize.h b/include/deal.II/base/init_finalize.h
index 85d3b8dcf2..1aead89e65 100644
--- a/include/deal.II/base/init_finalize.h
+++ b/include/deal.II/base/init_finalize.h
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/logstream.h b/include/deal.II/base/logstream.h
index 6b7d0a8b4c..c20df0fc49 100644
--- a/include/deal.II/base/logstream.h
+++ b/include/deal.II/base/logstream.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/memory_space_data.h b/include/deal.II/base/memory_space_data.h
index bae79d9b26..b398087b3b 100644
--- a/include/deal.II/base/memory_space_data.h
+++ b/include/deal.II/base/memory_space_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/mpi_remote_point_evaluation.h b/include/deal.II/base/mpi_remote_point_evaluation.h
index 2ee82f3e3c..26dd8165e3 100644
--- a/include/deal.II/base/mpi_remote_point_evaluation.h
+++ b/include/deal.II/base/mpi_remote_point_evaluation.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/parallel.h b/include/deal.II/base/parallel.h
index 8c20c92583..c94e261bad 100644
--- a/include/deal.II/base/parallel.h
+++ b/include/deal.II/base/parallel.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/parameter_acceptor.h b/include/deal.II/base/parameter_acceptor.h
index 1df37fd3b3..82534c3dea 100644
--- a/include/deal.II/base/parameter_acceptor.h
+++ b/include/deal.II/base/parameter_acceptor.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/parameter_handler.h b/include/deal.II/base/parameter_handler.h
index 6a7902201d..32f14ef0e9 100644
--- a/include/deal.II/base/parameter_handler.h
+++ b/include/deal.II/base/parameter_handler.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/parsed_convergence_table.h b/include/deal.II/base/parsed_convergence_table.h
index 64b852a10a..5bdabaf3b4 100644
--- a/include/deal.II/base/parsed_convergence_table.h
+++ b/include/deal.II/base/parsed_convergence_table.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/polynomial.h b/include/deal.II/base/polynomial.h
index 44953ff56d..a745458839 100644
--- a/include/deal.II/base/polynomial.h
+++ b/include/deal.II/base/polynomial.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2023 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/qprojector.h b/include/deal.II/base/qprojector.h
index 78d277d3d7..c48580cba1 100644
--- a/include/deal.II/base/qprojector.h
+++ b/include/deal.II/base/qprojector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2005 - 2023 by the deal.II authors
+// Copyright (C) 2005 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/quadrature.h b/include/deal.II/base/quadrature.h
index c680be4c5f..f79e9c6998 100644
--- a/include/deal.II/base/quadrature.h
+++ b/include/deal.II/base/quadrature.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/quadrature_point_data.h b/include/deal.II/base/quadrature_point_data.h
index edced53a0d..92ccf49adc 100644
--- a/include/deal.II/base/quadrature_point_data.h
+++ b/include/deal.II/base/quadrature_point_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/symbolic_function.h b/include/deal.II/base/symbolic_function.h
index bb4ef78b72..f5034da938 100644
--- a/include/deal.II/base/symbolic_function.h
+++ b/include/deal.II/base/symbolic_function.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/task_result.h b/include/deal.II/base/task_result.h
index 77c588a3e2..6ebdf0da1c 100644
--- a/include/deal.II/base/task_result.h
+++ b/include/deal.II/base/task_result.h
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 - 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/thread_local_storage.h b/include/deal.II/base/thread_local_storage.h
index a8b61f4679..e69987824f 100644
--- a/include/deal.II/base/thread_local_storage.h
+++ b/include/deal.II/base/thread_local_storage.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2023 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/thread_management.h b/include/deal.II/base/thread_management.h
index f130ef0c95..73838ff729 100644
--- a/include/deal.II/base/thread_management.h
+++ b/include/deal.II/base/thread_management.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2023 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/base/work_stream.h b/include/deal.II/base/work_stream.h
index d5651fe1e3..03cc2d4e65 100644
--- a/include/deal.II/base/work_stream.h
+++ b/include/deal.II/base/work_stream.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/differentiation/sd/symengine_optimizer.h b/include/deal.II/differentiation/sd/symengine_optimizer.h
index 97d8be6d28..59dfdbe6ae 100644
--- a/include/deal.II/differentiation/sd/symengine_optimizer.h
+++ b/include/deal.II/differentiation/sd/symengine_optimizer.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/distributed/shared_tria.h b/include/deal.II/distributed/shared_tria.h
index 14b626734c..40b7ea4691 100644
--- a/include/deal.II/distributed/shared_tria.h
+++ b/include/deal.II/distributed/shared_tria.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/distributed/tria_base.h b/include/deal.II/distributed/tria_base.h
index 0156954533..2294cd4936 100644
--- a/include/deal.II/distributed/tria_base.h
+++ b/include/deal.II/distributed/tria_base.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/dofs/dof_handler.h b/include/deal.II/dofs/dof_handler.h
index 73473ffbca..5e4efec832 100644
--- a/include/deal.II/dofs/dof_handler.h
+++ b/include/deal.II/dofs/dof_handler.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/dofs/dof_tools.h b/include/deal.II/dofs/dof_tools.h
index 1f3ebcfc13..9789827c61 100644
--- a/include/deal.II/dofs/dof_tools.h
+++ b/include/deal.II/dofs/dof_tools.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe.h b/include/deal.II/fe/fe.h
index 1ca72ee06a..db4e3b8782 100644
--- a/include/deal.II/fe/fe.h
+++ b/include/deal.II/fe/fe.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_bernardi_raugel.h b/include/deal.II/fe/fe_bernardi_raugel.h
index c9d7cf8665..e2701bc193 100644
--- a/include/deal.II/fe/fe_bernardi_raugel.h
+++ b/include/deal.II/fe/fe_bernardi_raugel.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_coupling_values.h b/include/deal.II/fe/fe_coupling_values.h
index ab0a247bdf..312977d244 100644
--- a/include/deal.II/fe/fe_coupling_values.h
+++ b/include/deal.II/fe/fe_coupling_values.h
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_hermite.h b/include/deal.II/fe/fe_hermite.h
index d37980e7c2..c99fbaef15 100644
--- a/include/deal.II/fe/fe_hermite.h
+++ b/include/deal.II/fe/fe_hermite.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_interface_values.h b/include/deal.II/fe/fe_interface_values.h
index 359e99555c..9093cb00d8 100644
--- a/include/deal.II/fe/fe_interface_values.h
+++ b/include/deal.II/fe/fe_interface_values.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_pyramid_p.h b/include/deal.II/fe/fe_pyramid_p.h
index 9593376113..78315d5d85 100644
--- a/include/deal.II/fe/fe_pyramid_p.h
+++ b/include/deal.II/fe/fe_pyramid_p.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_q.h b/include/deal.II/fe/fe_q.h
index 0e9e948e63..a584d2efa2 100644
--- a/include/deal.II/fe/fe_q.h
+++ b/include/deal.II/fe/fe_q.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2001 - 2023 by the deal.II authors
+// Copyright (C) 2001 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_q_base.h b/include/deal.II/fe/fe_q_base.h
index 0e235d7c98..2ff2b96e5b 100644
--- a/include/deal.II/fe/fe_q_base.h
+++ b/include/deal.II/fe/fe_q_base.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_simplex_p.h b/include/deal.II/fe/fe_simplex_p.h
index 05f55e4569..f493c16649 100644
--- a/include/deal.II/fe/fe_simplex_p.h
+++ b/include/deal.II/fe/fe_simplex_p.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_system.h b/include/deal.II/fe/fe_system.h
index cc8ffe3716..9634045582 100644
--- a/include/deal.II/fe/fe_system.h
+++ b/include/deal.II/fe/fe_system.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_tools.h b/include/deal.II/fe/fe_tools.h
index 6897a9c1d5..e1c9b2c752 100644
--- a/include/deal.II/fe/fe_tools.h
+++ b/include/deal.II/fe/fe_tools.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2023 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_values_extractors.h b/include/deal.II/fe/fe_values_extractors.h
index ef109bca01..6b2bda6c36 100644
--- a/include/deal.II/fe/fe_values_extractors.h
+++ b/include/deal.II/fe/fe_values_extractors.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/fe_wedge_p.h b/include/deal.II/fe/fe_wedge_p.h
index 75d4f28b1f..7cdf19e171 100644
--- a/include/deal.II/fe/fe_wedge_p.h
+++ b/include/deal.II/fe/fe_wedge_p.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping.h b/include/deal.II/fe/mapping.h
index baba788e1c..f8522b7c28 100644
--- a/include/deal.II/fe/mapping.h
+++ b/include/deal.II/fe/mapping.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2001 - 2023 by the deal.II authors
+// Copyright (C) 2001 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_c1.h b/include/deal.II/fe/mapping_c1.h
index 352d9d93ea..9822b0b742 100644
--- a/include/deal.II/fe/mapping_c1.h
+++ b/include/deal.II/fe/mapping_c1.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2001 - 2023 by the deal.II authors
+// Copyright (C) 2001 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_cartesian.h b/include/deal.II/fe/mapping_cartesian.h
index 14dbaf6788..89e7fef0ce 100644
--- a/include/deal.II/fe/mapping_cartesian.h
+++ b/include/deal.II/fe/mapping_cartesian.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2001 - 2023 by the deal.II authors
+// Copyright (C) 2001 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_fe.h b/include/deal.II/fe/mapping_fe.h
index 48c9e18bd3..4171d5f1a6 100644
--- a/include/deal.II/fe/mapping_fe.h
+++ b/include/deal.II/fe/mapping_fe.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_fe_field.h b/include/deal.II/fe/mapping_fe_field.h
index c972f592a1..8286b2e838 100644
--- a/include/deal.II/fe/mapping_fe_field.h
+++ b/include/deal.II/fe/mapping_fe_field.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_manifold.h b/include/deal.II/fe/mapping_manifold.h
index b7de835a49..bfcf9ca78d 100644
--- a/include/deal.II/fe/mapping_manifold.h
+++ b/include/deal.II/fe/mapping_manifold.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/fe/mapping_q.h b/include/deal.II/fe/mapping_q.h
index 69b77a776e..cc0374af62 100644
--- a/include/deal.II/fe/mapping_q.h
+++ b/include/deal.II/fe/mapping_q.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2001 - 2023 by the deal.II authors
+// Copyright (C) 2001 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/grid_in.h b/include/deal.II/grid/grid_in.h
index 77cc5c4435..30f790d51e 100644
--- a/include/deal.II/grid/grid_in.h
+++ b/include/deal.II/grid/grid_in.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/manifold_lib.h b/include/deal.II/grid/manifold_lib.h
index 710398d671..77b3a2d941 100644
--- a/include/deal.II/grid/manifold_lib.h
+++ b/include/deal.II/grid/manifold_lib.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2023 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/persistent_tria.h b/include/deal.II/grid/persistent_tria.h
index 4453df8faf..612b92b757 100644
--- a/include/deal.II/grid/persistent_tria.h
+++ b/include/deal.II/grid/persistent_tria.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/tria.h b/include/deal.II/grid/tria.h
index 7973e4667f..303951af68 100644
--- a/include/deal.II/grid/tria.h
+++ b/include/deal.II/grid/tria.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/tria_levels.h b/include/deal.II/grid/tria_levels.h
index 468820f8c0..2b8176e16c 100644
--- a/include/deal.II/grid/tria_levels.h
+++ b/include/deal.II/grid/tria_levels.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/grid/tria_objects_orientations.h b/include/deal.II/grid/tria_objects_orientations.h
index 3f4d75dd92..e3c60f109b 100644
--- a/include/deal.II/grid/tria_objects_orientations.h
+++ b/include/deal.II/grid/tria_objects_orientations.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/hp/fe_values.h b/include/deal.II/hp/fe_values.h
index c7fb10fbe0..dac0f9ce03 100644
--- a/include/deal.II/hp/fe_values.h
+++ b/include/deal.II/hp/fe_values.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2023 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/advection.h b/include/deal.II/integrators/advection.h
index 92f8660fa7..bcf506c2cc 100644
--- a/include/deal.II/integrators/advection.h
+++ b/include/deal.II/integrators/advection.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/divergence.h b/include/deal.II/integrators/divergence.h
index f41c280443..081639f74a 100644
--- a/include/deal.II/integrators/divergence.h
+++ b/include/deal.II/integrators/divergence.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/elasticity.h b/include/deal.II/integrators/elasticity.h
index 0fd24d2e03..348ae0f57f 100644
--- a/include/deal.II/integrators/elasticity.h
+++ b/include/deal.II/integrators/elasticity.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/grad_div.h b/include/deal.II/integrators/grad_div.h
index c50a369443..1872eada90 100644
--- a/include/deal.II/integrators/grad_div.h
+++ b/include/deal.II/integrators/grad_div.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/l2.h b/include/deal.II/integrators/l2.h
index fbdc0294e7..47e85377cd 100644
--- a/include/deal.II/integrators/l2.h
+++ b/include/deal.II/integrators/l2.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/laplace.h b/include/deal.II/integrators/laplace.h
index c4b2fe8da4..d7e47e39c6 100644
--- a/include/deal.II/integrators/laplace.h
+++ b/include/deal.II/integrators/laplace.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/local_integrators.h b/include/deal.II/integrators/local_integrators.h
index 9bc9784514..a5c09a52a8 100644
--- a/include/deal.II/integrators/local_integrators.h
+++ b/include/deal.II/integrators/local_integrators.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/integrators/patches.h b/include/deal.II/integrators/patches.h
index b4039e89d5..88c7f08973 100644
--- a/include/deal.II/integrators/patches.h
+++ b/include/deal.II/integrators/patches.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2023 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/block_indices.h b/include/deal.II/lac/block_indices.h
index 2170d3408c..1d813533b9 100644
--- a/include/deal.II/lac/block_indices.h
+++ b/include/deal.II/lac/block_indices.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2022 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/block_vector.h b/include/deal.II/lac/block_vector.h
index 17edb54387..1931fbde3e 100644
--- a/include/deal.II/lac/block_vector.h
+++ b/include/deal.II/lac/block_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/block_vector.templates.h b/include/deal.II/lac/block_vector.templates.h
index c62fd9c9b9..618ec37bba 100644
--- a/include/deal.II/lac/block_vector.templates.h
+++ b/include/deal.II/lac/block_vector.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/cuda_solver_direct.h b/include/deal.II/lac/cuda_solver_direct.h
index 604cff147e..e5948e9392 100644
--- a/include/deal.II/lac/cuda_solver_direct.h
+++ b/include/deal.II/lac/cuda_solver_direct.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/cuda_vector.h b/include/deal.II/lac/cuda_vector.h
index c8f352f211..ee2677d793 100644
--- a/include/deal.II/lac/cuda_vector.h
+++ b/include/deal.II/lac/cuda_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/full_matrix.h b/include/deal.II/lac/full_matrix.h
index 46d3fb98bb..1be35fe618 100644
--- a/include/deal.II/lac/full_matrix.h
+++ b/include/deal.II/lac/full_matrix.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/full_matrix.templates.h b/include/deal.II/lac/full_matrix.templates.h
index 2de0cbbb39..e6a01a9ae1 100644
--- a/include/deal.II/lac/full_matrix.templates.h
+++ b/include/deal.II/lac/full_matrix.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/la_parallel_block_vector.h b/include/deal.II/lac/la_parallel_block_vector.h
index fc9976bd6e..838f44b5ef 100644
--- a/include/deal.II/lac/la_parallel_block_vector.h
+++ b/include/deal.II/lac/la_parallel_block_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/la_parallel_block_vector.templates.h b/include/deal.II/lac/la_parallel_block_vector.templates.h
index fd39a3fff2..e431643448 100644
--- a/include/deal.II/lac/la_parallel_block_vector.templates.h
+++ b/include/deal.II/lac/la_parallel_block_vector.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/linear_operator.h b/include/deal.II/lac/linear_operator.h
index 7ff7f213d2..17d59afc9f 100644
--- a/include/deal.II/lac/linear_operator.h
+++ b/include/deal.II/lac/linear_operator.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/orthogonalization.h b/include/deal.II/lac/orthogonalization.h
index d69ccb7f14..7fa965eab8 100644
--- a/include/deal.II/lac/orthogonalization.h
+++ b/include/deal.II/lac/orthogonalization.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/petsc_block_vector.h b/include/deal.II/lac/petsc_block_vector.h
index 801997ed38..590b9ccd59 100644
--- a/include/deal.II/lac/petsc_block_vector.h
+++ b/include/deal.II/lac/petsc_block_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2023 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/petsc_ts.h b/include/deal.II/lac/petsc_ts.h
index 538fd7e596..cc435927df 100644
--- a/include/deal.II/lac/petsc_ts.h
+++ b/include/deal.II/lac/petsc_ts.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/petsc_ts.templates.h b/include/deal.II/lac/petsc_ts.templates.h
index 3650ee4394..12fcac4543 100644
--- a/include/deal.II/lac/petsc_ts.templates.h
+++ b/include/deal.II/lac/petsc_ts.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/qr.h b/include/deal.II/lac/qr.h
index 8a4d48e157..c940ab8f3e 100644
--- a/include/deal.II/lac/qr.h
+++ b/include/deal.II/lac/qr.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/slepc_solver.h b/include/deal.II/lac/slepc_solver.h
index b9d8e57861..a4c85b825a 100644
--- a/include/deal.II/lac/slepc_solver.h
+++ b/include/deal.II/lac/slepc_solver.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver.h b/include/deal.II/lac/solver.h
index 126265ffc5..78db56a7b4 100644
--- a/include/deal.II/lac/solver.h
+++ b/include/deal.II/lac/solver.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_bicgstab.h b/include/deal.II/lac/solver_bicgstab.h
index 2695c61f31..fbfc74aef7 100644
--- a/include/deal.II/lac/solver_bicgstab.h
+++ b/include/deal.II/lac/solver_bicgstab.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_fire.h b/include/deal.II/lac/solver_fire.h
index 279905ae9d..64bd3aa3a9 100644
--- a/include/deal.II/lac/solver_fire.h
+++ b/include/deal.II/lac/solver_fire.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_idr.h b/include/deal.II/lac/solver_idr.h
index 693868ca2b..48698e6754 100644
--- a/include/deal.II/lac/solver_idr.h
+++ b/include/deal.II/lac/solver_idr.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_minres.h b/include/deal.II/lac/solver_minres.h
index 6c2b62eb56..0359e70e7c 100644
--- a/include/deal.II/lac/solver_minres.h
+++ b/include/deal.II/lac/solver_minres.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2023 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_relaxation.h b/include/deal.II/lac/solver_relaxation.h
index f240a798a0..d4147f8d3b 100644
--- a/include/deal.II/lac/solver_relaxation.h
+++ b/include/deal.II/lac/solver_relaxation.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_richardson.h b/include/deal.II/lac/solver_richardson.h
index db10303de8..af2adf141a 100644
--- a/include/deal.II/lac/solver_richardson.h
+++ b/include/deal.II/lac/solver_richardson.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/solver_selector.h b/include/deal.II/lac/solver_selector.h
index d7bba231d8..c703d7f88c 100644
--- a/include/deal.II/lac/solver_selector.h
+++ b/include/deal.II/lac/solver_selector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/sparsity_pattern.h b/include/deal.II/lac/sparsity_pattern.h
index 7b0e93d358..017b572421 100644
--- a/include/deal.II/lac/sparsity_pattern.h
+++ b/include/deal.II/lac/sparsity_pattern.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2023 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/trilinos_epetra_vector.h b/include/deal.II/lac/trilinos_epetra_vector.h
index 651fefe01f..67ccd31627 100644
--- a/include/deal.II/lac/trilinos_epetra_vector.h
+++ b/include/deal.II/lac/trilinos_epetra_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/trilinos_parallel_block_vector.h b/include/deal.II/lac/trilinos_parallel_block_vector.h
index 5cad7345d0..86fd0df71f 100644
--- a/include/deal.II/lac/trilinos_parallel_block_vector.h
+++ b/include/deal.II/lac/trilinos_parallel_block_vector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/utilities.h b/include/deal.II/lac/utilities.h
index 67e0e386dc..8323f78343 100644
--- a/include/deal.II/lac/utilities.h
+++ b/include/deal.II/lac/utilities.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/vector.templates.h b/include/deal.II/lac/vector.templates.h
index 139d7a6b69..83a848037d 100644
--- a/include/deal.II/lac/vector.templates.h
+++ b/include/deal.II/lac/vector.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/vector_memory.h b/include/deal.II/lac/vector_memory.h
index 1e73dedd80..4f1af87275 100644
--- a/include/deal.II/lac/vector_memory.h
+++ b/include/deal.II/lac/vector_memory.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2022 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/lac/vector_memory.templates.h b/include/deal.II/lac/vector_memory.templates.h
index 0705b604aa..c73d76c67d 100644
--- a/include/deal.II/lac/vector_memory.templates.h
+++ b/include/deal.II/lac/vector_memory.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2007 - 2023 by the deal.II authors
+// Copyright (C) 2007 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/evaluation_kernels.h b/include/deal.II/matrix_free/evaluation_kernels.h
index c3b08a98ae..41644d20f5 100644
--- a/include/deal.II/matrix_free/evaluation_kernels.h
+++ b/include/deal.II/matrix_free/evaluation_kernels.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/evaluation_template_factory_hanging_nodes.templates.h b/include/deal.II/matrix_free/evaluation_template_factory_hanging_nodes.templates.h
index ed41d8fab4..6efb0f21ff 100644
--- a/include/deal.II/matrix_free/evaluation_template_factory_hanging_nodes.templates.h
+++ b/include/deal.II/matrix_free/evaluation_template_factory_hanging_nodes.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/face_setup_internal.h b/include/deal.II/matrix_free/face_setup_internal.h
index 453d1c7571..23b573aa69 100644
--- a/include/deal.II/matrix_free/face_setup_internal.h
+++ b/include/deal.II/matrix_free/face_setup_internal.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/fe_evaluation_data.h b/include/deal.II/matrix_free/fe_evaluation_data.h
index 9e955ee19b..e801be4c7e 100644
--- a/include/deal.II/matrix_free/fe_evaluation_data.h
+++ b/include/deal.II/matrix_free/fe_evaluation_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/matrix_free.h b/include/deal.II/matrix_free/matrix_free.h
index f109651ec6..69704c564c 100644
--- a/include/deal.II/matrix_free/matrix_free.h
+++ b/include/deal.II/matrix_free/matrix_free.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/matrix_free.templates.h b/include/deal.II/matrix_free/matrix_free.templates.h
index 2f0611a0d0..3e518b24aa 100644
--- a/include/deal.II/matrix_free/matrix_free.templates.h
+++ b/include/deal.II/matrix_free/matrix_free.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/shape_info.h b/include/deal.II/matrix_free/shape_info.h
index 779e1753a6..0ccd185efc 100644
--- a/include/deal.II/matrix_free/shape_info.h
+++ b/include/deal.II/matrix_free/shape_info.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/tools.h b/include/deal.II/matrix_free/tools.h
index cb83556412..6e3928a1aa 100644
--- a/include/deal.II/matrix_free/tools.h
+++ b/include/deal.II/matrix_free/tools.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/type_traits.h b/include/deal.II/matrix_free/type_traits.h
index 7b7ebb8936..9f28fcbd34 100644
--- a/include/deal.II/matrix_free/type_traits.h
+++ b/include/deal.II/matrix_free/type_traits.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/matrix_free/util.h b/include/deal.II/matrix_free/util.h
index 532740af5e..de7ce1723c 100644
--- a/include/deal.II/matrix_free/util.h
+++ b/include/deal.II/matrix_free/util.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/meshworker/local_integrator.h b/include/deal.II/meshworker/local_integrator.h
index ff0dace4bc..f939572c44 100644
--- a/include/deal.II/meshworker/local_integrator.h
+++ b/include/deal.II/meshworker/local_integrator.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2020 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/meshworker/local_results.h b/include/deal.II/meshworker/local_results.h
index fe0ddbbac6..645c2d4aa6 100644
--- a/include/deal.II/meshworker/local_results.h
+++ b/include/deal.II/meshworker/local_results.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/meshworker/loop.h b/include/deal.II/meshworker/loop.h
index 3ce93481ad..d56925530d 100644
--- a/include/deal.II/meshworker/loop.h
+++ b/include/deal.II/meshworker/loop.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/meshworker/scratch_data.h b/include/deal.II/meshworker/scratch_data.h
index 6c34c744e5..cb1f3a8d3e 100644
--- a/include/deal.II/meshworker/scratch_data.h
+++ b/include/deal.II/meshworker/scratch_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/meshworker/vector_selector.h b/include/deal.II/meshworker/vector_selector.h
index 9b8e7e703e..f597ff96a8 100644
--- a/include/deal.II/meshworker/vector_selector.h
+++ b/include/deal.II/meshworker/vector_selector.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2023 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/multigrid/multigrid.templates.h b/include/deal.II/multigrid/multigrid.templates.h
index 6bd1b55774..12e1455fc4 100644
--- a/include/deal.II/multigrid/multigrid.templates.h
+++ b/include/deal.II/multigrid/multigrid.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2022 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/non_matching/fe_values.h b/include/deal.II/non_matching/fe_values.h
index 7d66598757..c3639b3624 100644
--- a/include/deal.II/non_matching/fe_values.h
+++ b/include/deal.II/non_matching/fe_values.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/data_out_dof_data.h b/include/deal.II/numerics/data_out_dof_data.h
index 12e273f487..6ac9eb0d2a 100644
--- a/include/deal.II/numerics/data_out_dof_data.h
+++ b/include/deal.II/numerics/data_out_dof_data.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/fe_field_function.templates.h b/include/deal.II/numerics/fe_field_function.templates.h
index 8e8a7cf0f0..a1b8fa98d0 100644
--- a/include/deal.II/numerics/fe_field_function.templates.h
+++ b/include/deal.II/numerics/fe_field_function.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2007 - 2023 by the deal.II authors
+// Copyright (C) 2007 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/matrix_creator.h b/include/deal.II/numerics/matrix_creator.h
index 8717d5c235..34c01c03e4 100644
--- a/include/deal.II/numerics/matrix_creator.h
+++ b/include/deal.II/numerics/matrix_creator.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/rtree.h b/include/deal.II/numerics/rtree.h
index 262c217e99..d8590434e9 100644
--- a/include/deal.II/numerics/rtree.h
+++ b/include/deal.II/numerics/rtree.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/time_dependent.h b/include/deal.II/numerics/time_dependent.h
index 01f023e868..0462500b84 100644
--- a/include/deal.II/numerics/time_dependent.h
+++ b/include/deal.II/numerics/time_dependent.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/vector_tools_constraints.h b/include/deal.II/numerics/vector_tools_constraints.h
index 9f685757a3..e86d6283da 100644
--- a/include/deal.II/numerics/vector_tools_constraints.h
+++ b/include/deal.II/numerics/vector_tools_constraints.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/vector_tools_interpolate.templates.h b/include/deal.II/numerics/vector_tools_interpolate.templates.h
index 68ba8c0f82..96a617522e 100644
--- a/include/deal.II/numerics/vector_tools_interpolate.templates.h
+++ b/include/deal.II/numerics/vector_tools_interpolate.templates.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/numerics/vector_tools_project.h b/include/deal.II/numerics/vector_tools_project.h
index 2190fc8565..04c1cad0a8 100644
--- a/include/deal.II/numerics/vector_tools_project.h
+++ b/include/deal.II/numerics/vector_tools_project.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/physics/notation.h b/include/deal.II/physics/notation.h
index df94dfbf1a..b92d2d8acf 100644
--- a/include/deal.II/physics/notation.h
+++ b/include/deal.II/physics/notation.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/sundials/arkode.h b/include/deal.II/sundials/arkode.h
index 3730b4f506..194a252f51 100644
--- a/include/deal.II/sundials/arkode.h
+++ b/include/deal.II/sundials/arkode.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/sundials/ida.h b/include/deal.II/sundials/ida.h
index 68de04aa1b..555c5f2e78 100644
--- a/include/deal.II/sundials/ida.h
+++ b/include/deal.II/sundials/ida.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/sundials/kinsol.h b/include/deal.II/sundials/kinsol.h
index 6c1e7e9889..f797dfc254 100644
--- a/include/deal.II/sundials/kinsol.h
+++ b/include/deal.II/sundials/kinsol.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/sundials/sundials_types.h b/include/deal.II/sundials/sundials_types.h
index a2e9b5cf5d..e53eef8354 100644
--- a/include/deal.II/sundials/sundials_types.h
+++ b/include/deal.II/sundials/sundials_types.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/include/deal.II/sundials/sunlinsol_wrapper.h b/include/deal.II/sundials/sunlinsol_wrapper.h
index 107b768f87..2e23dc9f69 100644
--- a/include/deal.II/sundials/sunlinsol_wrapper.h
+++ b/include/deal.II/sundials/sunlinsol_wrapper.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 161dafe9b5..5d4f55ba06 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/source/algorithms/timestep_control.cc b/source/algorithms/timestep_control.cc
index 9425cda8bc..9a168813f8 100644
--- a/source/algorithms/timestep_control.cc
+++ b/source/algorithms/timestep_control.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2022 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/CMakeLists.txt b/source/base/CMakeLists.txt
index b7c4c4b825..6b60b8e0dc 100644
--- a/source/base/CMakeLists.txt
+++ b/source/base/CMakeLists.txt
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/source/base/convergence_table.cc b/source/base/convergence_table.cc
index 5647cc68eb..3930aa51ba 100644
--- a/source/base/convergence_table.cc
+++ b/source/base/convergence_table.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2022 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/init_finalize.cc b/source/base/init_finalize.cc
index 2043b1d534..2e1577412b 100644
--- a/source/base/init_finalize.cc
+++ b/source/base/init_finalize.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/logstream.cc b/source/base/logstream.cc
index 495cd0be3c..889faf92b9 100644
--- a/source/base/logstream.cc
+++ b/source/base/logstream.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2023 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/mpi_remote_point_evaluation.cc b/source/base/mpi_remote_point_evaluation.cc
index 1131d945ea..28bde276cc 100644
--- a/source/base/mpi_remote_point_evaluation.cc
+++ b/source/base/mpi_remote_point_evaluation.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/parallel.cc b/source/base/parallel.cc
index 7ccafffb2c..de2e27bd88 100644
--- a/source/base/parallel.cc
+++ b/source/base/parallel.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2020 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/parameter_acceptor.cc b/source/base/parameter_acceptor.cc
index bd3bbae13b..c00a0d9155 100644
--- a/source/base/parameter_acceptor.cc
+++ b/source/base/parameter_acceptor.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/base/parsed_function.cc b/source/base/parsed_function.cc
index 9d0446f5cf..69a1f0c1de 100644
--- a/source/base/parsed_function.cc
+++ b/source/base/parsed_function.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2007 - 2023 by the deal.II authors
+// Copyright (C) 2007 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/differentiation/sd/symengine_number_types.cc b/source/differentiation/sd/symengine_number_types.cc
index 1a1a4a0d0a..4f41ad6e15 100644
--- a/source/differentiation/sd/symengine_number_types.cc
+++ b/source/differentiation/sd/symengine_number_types.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/differentiation/sd/symengine_utilities.cc b/source/differentiation/sd/symengine_utilities.cc
index e33a93d254..1b0352b8b5 100644
--- a/source/differentiation/sd/symengine_utilities.cc
+++ b/source/differentiation/sd/symengine_utilities.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/distributed/fully_distributed_tria.inst.in b/source/distributed/fully_distributed_tria.inst.in
index d2ec56a6be..1b7a66cd1e 100644
--- a/source/distributed/fully_distributed_tria.inst.in
+++ b/source/distributed/fully_distributed_tria.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2019 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/distributed/tria.inst.in b/source/distributed/tria.inst.in
index d41f5b0283..673484fd97 100644
--- a/source/distributed/tria.inst.in
+++ b/source/distributed/tria.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2021 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/distributed/tria_base.inst.in b/source/distributed/tria_base.inst.in
index a9136c157d..85a088c26e 100644
--- a/source/distributed/tria_base.inst.in
+++ b/source/distributed/tria_base.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2019 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/dofs/block_info.inst.in b/source/dofs/block_info.inst.in
index 33e1aa859f..d2b1d4cefd 100644
--- a/source/dofs/block_info.inst.in
+++ b/source/dofs/block_info.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2020 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/dofs/dof_accessor.inst.in b/source/dofs/dof_accessor.inst.in
index b880006cf6..7ce507ff54 100644
--- a/source/dofs/dof_accessor.inst.in
+++ b/source/dofs/dof_accessor.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2022 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/dofs/dof_handler.inst.in b/source/dofs/dof_handler.inst.in
index dacab2ef94..9ee6a1370f 100644
--- a/source/dofs/dof_handler.inst.in
+++ b/source/dofs/dof_handler.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2000 - 2022 by the deal.II authors
+// Copyright (C) 2000 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/dofs/dof_tools.cc b/source/dofs/dof_tools.cc
index f1809ebd2c..43f51b7c9f 100644
--- a/source/dofs/dof_tools.cc
+++ b/source/dofs/dof_tools.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/dofs/dof_tools_constraints.inst.in b/source/dofs/dof_tools_constraints.inst.in
index c13b320141..04a5f535b1 100644
--- a/source/dofs/dof_tools_constraints.inst.in
+++ b/source/dofs/dof_tools_constraints.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_bdm.cc b/source/fe/fe_bdm.cc
index 2ae1c0e279..bbf49bbaa4 100644
--- a/source/fe/fe_bdm.cc
+++ b/source/fe/fe_bdm.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_pyramid_p.inst.in b/source/fe/fe_pyramid_p.inst.in
index 1c154a6a3b..945e134787 100644
--- a/source/fe/fe_pyramid_p.inst.in
+++ b/source/fe/fe_pyramid_p.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_simplex_p.inst.in b/source/fe/fe_simplex_p.inst.in
index 673118e853..d1a692402f 100644
--- a/source/fe/fe_simplex_p.inst.in
+++ b/source/fe/fe_simplex_p.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_simplex_p_bubbles.inst.in b/source/fe/fe_simplex_p_bubbles.inst.in
index 7304d8ef94..595c09ff57 100644
--- a/source/fe/fe_simplex_p_bubbles.inst.in
+++ b/source/fe/fe_simplex_p_bubbles.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_tools.inst.in b/source/fe/fe_tools.inst.in
index a2bff7ba44..45b549d125 100644
--- a/source/fe/fe_tools.inst.in
+++ b/source/fe/fe_tools.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/fe_wedge_p.inst.in b/source/fe/fe_wedge_p.inst.in
index d948a3cbc0..5ead18efcd 100644
--- a/source/fe/fe_wedge_p.inst.in
+++ b/source/fe/fe_wedge_p.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/mapping_c1.inst.in b/source/fe/mapping_c1.inst.in
index fa36f5e909..dee587e87a 100644
--- a/source/fe/mapping_c1.inst.in
+++ b/source/fe/mapping_c1.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1998 - 2018 by the deal.II authors
+// Copyright (C) 1998 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/fe/mapping_q_cache.cc b/source/fe/mapping_q_cache.cc
index 5f0cf67c9f..47f12ae842 100644
--- a/source/fe/mapping_q_cache.cc
+++ b/source/fe/mapping_q_cache.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/grid_generator.inst.in b/source/grid/grid_generator.inst.in
index afebbdea9a..0e928a8173 100644
--- a/source/grid/grid_generator.inst.in
+++ b/source/grid/grid_generator.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/grid_tools.inst.in b/source/grid/grid_tools.inst.in
index 51b6c38c86..d64f20eb15 100644
--- a/source/grid/grid_tools.inst.in
+++ b/source/grid/grid_tools.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2023 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/grid_tools_cache.cc b/source/grid/grid_tools_cache.cc
index ebb42bc3d8..a09c18f634 100644
--- a/source/grid/grid_tools_cache.cc
+++ b/source/grid/grid_tools_cache.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/grid_tools_dof_handlers.inst.in b/source/grid/grid_tools_dof_handlers.inst.in
index e7599cc7e5..10878fce28 100644
--- a/source/grid/grid_tools_dof_handlers.inst.in
+++ b/source/grid/grid_tools_dof_handlers.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/tria_accessor.inst.in b/source/grid/tria_accessor.inst.in
index f5ac2be95c..9280ae6801 100644
--- a/source/grid/tria_accessor.inst.in
+++ b/source/grid/tria_accessor.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/tria_description.inst.in b/source/grid/tria_description.inst.in
index 62c2c28f08..a533fe8ef0 100644
--- a/source/grid/tria_description.inst.in
+++ b/source/grid/tria_description.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/grid/tria_levels.cc b/source/grid/tria_levels.cc
index 652aeb012e..16a96fe5c0 100644
--- a/source/grid/tria_levels.cc
+++ b/source/grid/tria_levels.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2006 - 2022 by the deal.II authors
+// Copyright (C) 2006 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/lac/sparse_matrix.inst.in b/source/lac/sparse_matrix.inst.in
index fe3ee83389..3948fa15a6 100644
--- a/source/lac/sparse_matrix.inst.in
+++ b/source/lac/sparse_matrix.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2007 - 2018 by the deal.II authors
+// Copyright (C) 2007 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/lac/sparsity_tools.cc b/source/lac/sparsity_tools.cc
index d74fb69036..0385f72abc 100644
--- a/source/lac/sparsity_tools.cc
+++ b/source/lac/sparsity_tools.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2023 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/lac/trilinos_epetra_vector.cc b/source/lac/trilinos_epetra_vector.cc
index 0fce03c6d8..8920dd2612 100644
--- a/source/lac/trilinos_epetra_vector.cc
+++ b/source/lac/trilinos_epetra_vector.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/lac/vector.cc b/source/lac/vector.cc
index 267cbf6b4d..d50a270c0e 100644
--- a/source/lac/vector.cc
+++ b/source/lac/vector.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/matrix_free/shape_info.inst.in b/source/matrix_free/shape_info.inst.in
index 2e083723f6..49e188621f 100644
--- a/source/matrix_free/shape_info.inst.in
+++ b/source/matrix_free/shape_info.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/multigrid/CMakeLists.txt b/source/multigrid/CMakeLists.txt
index d05767aa67..f32bfe5172 100644
--- a/source/multigrid/CMakeLists.txt
+++ b/source/multigrid/CMakeLists.txt
@@ -1,7 +1,7 @@
 ## ------------------------------------------------------------------------
 ##
 ## SPDX-License-Identifier: LGPL-2.1-or-later
-## Copyright (C) 2012 - 2023 by the deal.II authors
+## Copyright (C) 2012 - 2024 by the deal.II authors
 ##
 ## This file is part of the deal.II library.
 ##
diff --git a/source/multigrid/mg_constrained_dofs.cc b/source/multigrid/mg_constrained_dofs.cc
index c1effb4ff3..15c7ff799d 100644
--- a/source/multigrid/mg_constrained_dofs.cc
+++ b/source/multigrid/mg_constrained_dofs.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/non_matching/fe_values.inst.in b/source/non_matching/fe_values.inst.in
index ff168fba4d..7a1689e951 100644
--- a/source/non_matching/fe_values.inst.in
+++ b/source/non_matching/fe_values.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2022 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/non_matching/quadrature_generator.inst.in b/source/non_matching/quadrature_generator.inst.in
index 8e67b72d22..f236e33f83 100644
--- a/source/non_matching/quadrature_generator.inst.in
+++ b/source/non_matching/quadrature_generator.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/numerics/data_out.inst.in b/source/numerics/data_out.inst.in
index 2e259b8d4f..56f56504ad 100644
--- a/source/numerics/data_out.inst.in
+++ b/source/numerics/data_out.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2021 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/numerics/data_out_dof_data_codim.inst.in b/source/numerics/data_out_dof_data_codim.inst.in
index bdbc815837..8986f66f23 100644
--- a/source/numerics/data_out_dof_data_codim.inst.in
+++ b/source/numerics/data_out_dof_data_codim.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2021 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/numerics/data_out_resample.inst.in b/source/numerics/data_out_resample.inst.in
index 2d0a4fd4eb..f4fc1f5d77 100644
--- a/source/numerics/data_out_resample.inst.in
+++ b/source/numerics/data_out_resample.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/numerics/vector_tools_constraints.inst.in b/source/numerics/vector_tools_constraints.inst.in
index babc0e82af..37347ec6e7 100644
--- a/source/numerics/vector_tools_constraints.inst.in
+++ b/source/numerics/vector_tools_constraints.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/numerics/vector_tools_interpolate.inst.in b/source/numerics/vector_tools_interpolate.inst.in
index a2500e3592..d0da45e0e8 100644
--- a/source/numerics/vector_tools_interpolate.inst.in
+++ b/source/numerics/vector_tools_interpolate.inst.in
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/particles/property_pool.cc b/source/particles/property_pool.cc
index 61379bcea9..c1f632b7bc 100644
--- a/source/particles/property_pool.cc
+++ b/source/particles/property_pool.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/sundials/arkode.cc b/source/sundials/arkode.cc
index 1b47776c16..d3e3fb6c3e 100644
--- a/source/sundials/arkode.cc
+++ b/source/sundials/arkode.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/source/sundials/sunlinsol_wrapper.cc b/source/sundials/sunlinsol_wrapper.cc
index 62128dd938..f628404dca 100644
--- a/source/sundials/sunlinsol_wrapper.cc
+++ b/source/sundials/sunlinsol_wrapper.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/base/anisotropic_1.cc b/tests/base/anisotropic_1.cc
index d81a694780..a1736f12ec 100644
--- a/tests/base/anisotropic_1.cc
+++ b/tests/base/anisotropic_1.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2003 - 2023 by the deal.II authors
+// Copyright (C) 2003 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/base/quadrature_is_tensor_product.cc b/tests/base/quadrature_is_tensor_product.cc
index c04d82dd99..c88739dc32 100644
--- a/tests/base/quadrature_is_tensor_product.cc
+++ b/tests/base/quadrature_is_tensor_product.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2020 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/base/vectorization_01.cc b/tests/base/vectorization_01.cc
index 706942e8f5..4c017e8dcb 100644
--- a/tests/base/vectorization_01.cc
+++ b/tests/base/vectorization_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2020 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/bits/make_boundary_constraints_03.cc b/tests/bits/make_boundary_constraints_03.cc
index 41f232b276..f871342ed4 100644
--- a/tests/bits/make_boundary_constraints_03.cc
+++ b/tests/bits/make_boundary_constraints_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/bits/periodicity_09.cc b/tests/bits/periodicity_09.cc
index b70c1cf87e..013b6e907c 100644
--- a/tests/bits/periodicity_09.cc
+++ b/tests/bits/periodicity_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2022 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/cgal/cgal_mesh_criteria.cc b/tests/cgal/cgal_mesh_criteria.cc
index f150f591b5..df5c9983a9 100644
--- a/tests/cgal/cgal_mesh_criteria.cc
+++ b/tests/cgal/cgal_mesh_criteria.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/dofs/dof_tools_21.cc b/tests/dofs/dof_tools_21.cc
index 7c8d4b14df..e6f95403fc 100644
--- a/tests/dofs/dof_tools_21.cc
+++ b/tests/dofs/dof_tools_21.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2020 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/dofs/dof_tools_23.cc b/tests/dofs/dof_tools_23.cc
index db1742fd9d..94e61cdcd8 100644
--- a/tests/dofs/dof_tools_23.cc
+++ b/tests/dofs/dof_tools_23.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2021 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/dofs/dof_tools_periodic.h b/tests/dofs/dof_tools_periodic.h
index 1cd22f04c0..600edfc83f 100644
--- a/tests/dofs/dof_tools_periodic.h
+++ b/tests/dofs/dof_tools_periodic.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2003 - 2021 by the deal.II authors
+// Copyright (C) 2003 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/examples/example_test.h b/tests/examples/example_test.h
index 9241f45307..6922bb2518 100644
--- a/tests/examples/example_test.h
+++ b/tests/examples/example_test.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_dgp_3rd_derivative_divergence_theorem.cc b/tests/fe/fe_dgp_3rd_derivative_divergence_theorem.cc
index 15a2b29eae..0fedcc02b1 100644
--- a/tests/fe/fe_dgp_3rd_derivative_divergence_theorem.cc
+++ b/tests/fe/fe_dgp_3rd_derivative_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_dgq_3rd_derivative_divergence_theorem.cc b/tests/fe/fe_dgq_3rd_derivative_divergence_theorem.cc
index b9889c6cd6..24313033b6 100644
--- a/tests/fe/fe_dgq_3rd_derivative_divergence_theorem.cc
+++ b/tests/fe/fe_dgq_3rd_derivative_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_dgq_gradient_divergence_theorem.cc b/tests/fe/fe_dgq_gradient_divergence_theorem.cc
index 8f5d2b35f6..09f5591a86 100644
--- a/tests/fe/fe_dgq_gradient_divergence_theorem.cc
+++ b/tests/fe/fe_dgq_gradient_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_dgq_hessian_divergence_theorem.cc b/tests/fe/fe_dgq_hessian_divergence_theorem.cc
index 781e1a1eca..5383296038 100644
--- a/tests/fe/fe_dgq_hessian_divergence_theorem.cc
+++ b/tests/fe/fe_dgq_hessian_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_nedelec_gradient_divergence_theorem.cc b/tests/fe/fe_nedelec_gradient_divergence_theorem.cc
index 3afb3b3a03..eb9709454e 100644
--- a/tests/fe/fe_nedelec_gradient_divergence_theorem.cc
+++ b/tests/fe/fe_nedelec_gradient_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_nedelec_hessian_divergence_theorem.cc b/tests/fe/fe_nedelec_hessian_divergence_theorem.cc
index 54bfa36fa5..9643cdf16a 100644
--- a/tests/fe/fe_nedelec_hessian_divergence_theorem.cc
+++ b/tests/fe/fe_nedelec_hessian_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2020 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_nedelec_sz_gradient_divergence_theorem.cc b/tests/fe/fe_nedelec_sz_gradient_divergence_theorem.cc
index b1de9ebaee..9b71a193ed 100644
--- a/tests/fe/fe_nedelec_sz_gradient_divergence_theorem.cc
+++ b/tests/fe/fe_nedelec_sz_gradient_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_nedelec_sz_hessian_divergence_theorem.cc b/tests/fe/fe_nedelec_sz_hessian_divergence_theorem.cc
index 8318d9d6bf..a52cddaf5d 100644
--- a/tests/fe/fe_nedelec_sz_hessian_divergence_theorem.cc
+++ b/tests/fe/fe_nedelec_sz_hessian_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_prolongation_common.h b/tests/fe/fe_prolongation_common.h
index 9d30e6cff4..9fb8872101 100644
--- a/tests/fe/fe_prolongation_common.h
+++ b/tests/fe/fe_prolongation_common.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2018 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_prolongation_nedelec_sz.cc b/tests/fe/fe_prolongation_nedelec_sz.cc
index 40c3f2a241..b0b2cf7388 100644
--- a/tests/fe/fe_prolongation_nedelec_sz.cc
+++ b/tests/fe/fe_prolongation_nedelec_sz.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2007 - 2020 by the deal.II authors
+// Copyright (C) 2007 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_q_3rd_derivative_divergence_theorem.cc b/tests/fe/fe_q_3rd_derivative_divergence_theorem.cc
index 4087ab20ac..5053dae97a 100644
--- a/tests/fe/fe_q_3rd_derivative_divergence_theorem.cc
+++ b/tests/fe/fe_q_3rd_derivative_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_q_gradient_divergence_theorem.cc b/tests/fe/fe_q_gradient_divergence_theorem.cc
index 60baf89eb6..a1235985e2 100644
--- a/tests/fe/fe_q_gradient_divergence_theorem.cc
+++ b/tests/fe/fe_q_gradient_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_q_hessian_divergence_theorem.cc b/tests/fe/fe_q_hessian_divergence_theorem.cc
index c93434fc5c..553442b7a5 100644
--- a/tests/fe/fe_q_hessian_divergence_theorem.cc
+++ b/tests/fe/fe_q_hessian_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_q_hierarchical_3rd_derivative_divergence_theorem.cc b/tests/fe/fe_q_hierarchical_3rd_derivative_divergence_theorem.cc
index 416c90b25f..cc36dbaec9 100644
--- a/tests/fe/fe_q_hierarchical_3rd_derivative_divergence_theorem.cc
+++ b/tests/fe/fe_q_hierarchical_3rd_derivative_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_system_3rd_derivative_divergence_theorem.cc b/tests/fe/fe_system_3rd_derivative_divergence_theorem.cc
index 56892bd989..2491f05ef1 100644
--- a/tests/fe/fe_system_3rd_derivative_divergence_theorem.cc
+++ b/tests/fe/fe_system_3rd_derivative_divergence_theorem.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_extractor_02.cc b/tests/fe/fe_values_extractor_02.cc
index 716e4ca128..f8e2e25db7 100644
--- a/tests/fe/fe_values_extractor_02.cc
+++ b/tests/fe/fe_values_extractor_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_01.cc b/tests/fe/fe_values_view_01.cc
index 7ec93a20c4..2b78891d53 100644
--- a/tests/fe/fe_values_view_01.cc
+++ b/tests/fe/fe_values_view_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_02.cc b/tests/fe/fe_values_view_02.cc
index 10bde372d2..ec8e1dab64 100644
--- a/tests/fe/fe_values_view_02.cc
+++ b/tests/fe/fe_values_view_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2023 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_03.cc b/tests/fe/fe_values_view_03.cc
index e3d34f3228..8a86f39a66 100644
--- a/tests/fe/fe_values_view_03.cc
+++ b/tests/fe/fe_values_view_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_04.cc b/tests/fe/fe_values_view_04.cc
index 6dcf482a45..cf727a256b 100644
--- a/tests/fe/fe_values_view_04.cc
+++ b/tests/fe/fe_values_view_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2023 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_05.cc b/tests/fe/fe_values_view_05.cc
index 3ef48fddc0..c1af5b0591 100644
--- a/tests/fe/fe_values_view_05.cc
+++ b/tests/fe/fe_values_view_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_06.cc b/tests/fe/fe_values_view_06.cc
index 420298d0a9..04498481d6 100644
--- a/tests/fe/fe_values_view_06.cc
+++ b/tests/fe/fe_values_view_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_07.cc b/tests/fe/fe_values_view_07.cc
index 57285232a7..24a17574f6 100644
--- a/tests/fe/fe_values_view_07.cc
+++ b/tests/fe/fe_values_view_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_08.cc b/tests/fe/fe_values_view_08.cc
index 112c0599c2..fea3181e59 100644
--- a/tests/fe/fe_values_view_08.cc
+++ b/tests/fe/fe_values_view_08.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_09.cc b/tests/fe/fe_values_view_09.cc
index c0b1106439..ecf04160ef 100644
--- a/tests/fe/fe_values_view_09.cc
+++ b/tests/fe/fe_values_view_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_10.cc b/tests/fe/fe_values_view_10.cc
index 499eda9b91..59ffbeff21 100644
--- a/tests/fe/fe_values_view_10.cc
+++ b/tests/fe/fe_values_view_10.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_10_single_01.cc b/tests/fe/fe_values_view_10_single_01.cc
index e3b61eb3f4..f1f58c700f 100644
--- a/tests/fe/fe_values_view_10_single_01.cc
+++ b/tests/fe/fe_values_view_10_single_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_10_single_02.cc b/tests/fe/fe_values_view_10_single_02.cc
index 152e481dcc..feee36d2c0 100644
--- a/tests/fe/fe_values_view_10_single_02.cc
+++ b/tests/fe/fe_values_view_10_single_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_10_single_03.cc b/tests/fe/fe_values_view_10_single_03.cc
index f2eb2a755c..03f691a49b 100644
--- a/tests/fe/fe_values_view_10_single_03.cc
+++ b/tests/fe/fe_values_view_10_single_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_11.cc b/tests/fe/fe_values_view_11.cc
index faff4c78a3..2b89f275da 100644
--- a/tests/fe/fe_values_view_11.cc
+++ b/tests/fe/fe_values_view_11.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_12.cc b/tests/fe/fe_values_view_12.cc
index 2f1aab6ba6..05af41a03c 100644
--- a/tests/fe/fe_values_view_12.cc
+++ b/tests/fe/fe_values_view_12.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_13.cc b/tests/fe/fe_values_view_13.cc
index cb97651d50..24734685ec 100644
--- a/tests/fe/fe_values_view_13.cc
+++ b/tests/fe/fe_values_view_13.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_14.cc b/tests/fe/fe_values_view_14.cc
index f265910c1e..01370915b8 100644
--- a/tests/fe/fe_values_view_14.cc
+++ b/tests/fe/fe_values_view_14.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_15.cc b/tests/fe/fe_values_view_15.cc
index 2d8ebd5f6a..4a70f6fe9c 100644
--- a/tests/fe/fe_values_view_15.cc
+++ b/tests/fe/fe_values_view_15.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_16.cc b/tests/fe/fe_values_view_16.cc
index 711844f2a5..c1bc445035 100644
--- a/tests/fe/fe_values_view_16.cc
+++ b/tests/fe/fe_values_view_16.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2022 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_17.cc b/tests/fe/fe_values_view_17.cc
index 3a67fb73f7..8f314ba5b7 100644
--- a/tests/fe/fe_values_view_17.cc
+++ b/tests/fe/fe_values_view_17.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_18.cc b/tests/fe/fe_values_view_18.cc
index b3824e8726..303abd9ccd 100644
--- a/tests/fe/fe_values_view_18.cc
+++ b/tests/fe/fe_values_view_18.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_19.cc b/tests/fe/fe_values_view_19.cc
index f170a3d96a..670bd30296 100644
--- a/tests/fe/fe_values_view_19.cc
+++ b/tests/fe/fe_values_view_19.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_20.cc b/tests/fe/fe_values_view_20.cc
index fe15f17242..c4a163986b 100644
--- a/tests/fe/fe_values_view_20.cc
+++ b/tests/fe/fe_values_view_20.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_23.cc b/tests/fe/fe_values_view_23.cc
index c3f3b30612..bc2c85f034 100644
--- a/tests/fe/fe_values_view_23.cc
+++ b/tests/fe/fe_values_view_23.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_23_nonsymmetric.cc b/tests/fe/fe_values_view_23_nonsymmetric.cc
index ba574b4d40..f33da02ca0 100644
--- a/tests/fe/fe_values_view_23_nonsymmetric.cc
+++ b/tests/fe/fe_values_view_23_nonsymmetric.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_24.cc b/tests/fe/fe_values_view_24.cc
index f40d320094..e67c9d4e62 100644
--- a/tests/fe/fe_values_view_24.cc
+++ b/tests/fe/fe_values_view_24.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_24_nonsymmetric.cc b/tests/fe/fe_values_view_24_nonsymmetric.cc
index 14ed8d11c1..590018f423 100644
--- a/tests/fe/fe_values_view_24_nonsymmetric.cc
+++ b/tests/fe/fe_values_view_24_nonsymmetric.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_25.cc b/tests/fe/fe_values_view_25.cc
index e485ae1ee4..f34c613d43 100644
--- a/tests/fe/fe_values_view_25.cc
+++ b/tests/fe/fe_values_view_25.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_25_nonsymmetric.cc b/tests/fe/fe_values_view_25_nonsymmetric.cc
index 15885e1c4c..c3a126b871 100644
--- a/tests/fe/fe_values_view_25_nonsymmetric.cc
+++ b/tests/fe/fe_values_view_25_nonsymmetric.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_25b_nonsymmetric.cc b/tests/fe/fe_values_view_25b_nonsymmetric.cc
index c0192856a0..af254d2ff9 100644
--- a/tests/fe/fe_values_view_25b_nonsymmetric.cc
+++ b/tests/fe/fe_values_view_25b_nonsymmetric.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2022 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_26.cc b/tests/fe/fe_values_view_26.cc
index f3ef945e60..231f3d18f8 100644
--- a/tests/fe/fe_values_view_26.cc
+++ b/tests/fe/fe_values_view_26.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_27.cc b/tests/fe/fe_values_view_27.cc
index 224db4967a..361c3c4442 100644
--- a/tests/fe/fe_values_view_27.cc
+++ b/tests/fe/fe_values_view_27.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_28.cc b/tests/fe/fe_values_view_28.cc
index 26357c9dd2..d4297b0ebf 100644
--- a/tests/fe/fe_values_view_28.cc
+++ b/tests/fe/fe_values_view_28.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2020 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_29.cc b/tests/fe/fe_values_view_29.cc
index 0a13dc24bc..0bfff045ab 100644
--- a/tests/fe/fe_values_view_29.cc
+++ b/tests/fe/fe_values_view_29.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2020 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_get_function_from_local_dof_values_01.cc b/tests/fe/fe_values_view_get_function_from_local_dof_values_01.cc
index 1306ed8485..1c5738c3f0 100644
--- a/tests/fe/fe_values_view_get_function_from_local_dof_values_01.cc
+++ b/tests/fe/fe_values_view_get_function_from_local_dof_values_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_get_function_from_local_dof_values_02.cc b/tests/fe/fe_values_view_get_function_from_local_dof_values_02.cc
index 228c505e30..0bd7168b77 100644
--- a/tests/fe/fe_values_view_get_function_from_local_dof_values_02.cc
+++ b/tests/fe/fe_values_view_get_function_from_local_dof_values_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_invalid_01.cc b/tests/fe/fe_values_view_invalid_01.cc
index 119d86e0d8..fb42250344 100644
--- a/tests/fe/fe_values_view_invalid_01.cc
+++ b/tests/fe/fe_values_view_invalid_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_invalid_02.cc b/tests/fe/fe_values_view_invalid_02.cc
index bdfb7894cf..21b1aa4f03 100644
--- a/tests/fe/fe_values_view_invalid_02.cc
+++ b/tests/fe/fe_values_view_invalid_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_invalid_03.cc b/tests/fe/fe_values_view_invalid_03.cc
index 7acdf1886e..6ed933adcf 100644
--- a/tests/fe/fe_values_view_invalid_03.cc
+++ b/tests/fe/fe_values_view_invalid_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_view_invalid_03_nonsymmetric.cc b/tests/fe/fe_values_view_invalid_03_nonsymmetric.cc
index f3c1deba63..f05d07663c 100644
--- a/tests/fe/fe_values_view_invalid_03_nonsymmetric.cc
+++ b/tests/fe/fe_values_view_invalid_03_nonsymmetric.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2008 - 2020 by the deal.II authors
+// Copyright (C) 2008 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_views_renumbered_01.cc b/tests/fe/fe_values_views_renumbered_01.cc
index f4e69e7cc4..4d76ebbfc4 100644
--- a/tests/fe/fe_values_views_renumbered_01.cc
+++ b/tests/fe/fe_values_views_renumbered_01.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_views_renumbered_02.cc b/tests/fe/fe_values_views_renumbered_02.cc
index 4129ffc4f0..0072c35a8c 100644
--- a/tests/fe/fe_values_views_renumbered_02.cc
+++ b/tests/fe/fe_values_views_renumbered_02.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_views_renumbered_03.cc b/tests/fe/fe_values_views_renumbered_03.cc
index 0b58974373..fd91c46b1d 100644
--- a/tests/fe/fe_values_views_renumbered_03.cc
+++ b/tests/fe/fe_values_views_renumbered_03.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/fe_values_views_types.cc b/tests/fe/fe_values_views_types.cc
index 8e77a5fc46..22601d759f 100644
--- a/tests/fe/fe_values_views_types.cc
+++ b/tests/fe/fe_values_views_types.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2022 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fe/system_05.cc b/tests/fe/system_05.cc
index d2e1adb1a7..a435375401 100644
--- a/tests/fe/system_05.cc
+++ b/tests/fe/system_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2018 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fecoupling/fe_coupling_01.cc b/tests/fecoupling/fe_coupling_01.cc
index 8ba61b76ce..99794084dd 100644
--- a/tests/fecoupling/fe_coupling_01.cc
+++ b/tests/fecoupling/fe_coupling_01.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fecoupling/fe_coupling_02.cc b/tests/fecoupling/fe_coupling_02.cc
index 3f589ac736..d15f4a5ab9 100644
--- a/tests/fecoupling/fe_coupling_02.cc
+++ b/tests/fecoupling/fe_coupling_02.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fecoupling/fe_coupling_03.cc b/tests/fecoupling/fe_coupling_03.cc
index 131484121d..4857ca991c 100644
--- a/tests/fecoupling/fe_coupling_03.cc
+++ b/tests/fecoupling/fe_coupling_03.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fecoupling/fe_coupling_04.cc b/tests/fecoupling/fe_coupling_04.cc
index bf88ed1223..be3fccba21 100644
--- a/tests/fecoupling/fe_coupling_04.cc
+++ b/tests/fecoupling/fe_coupling_04.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fecoupling/fe_coupling_05.cc b/tests/fecoupling/fe_coupling_05.cc
index 0b29df7ebc..4a82248482 100644
--- a/tests/fecoupling/fe_coupling_05.cc
+++ b/tests/fecoupling/fe_coupling_05.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/feinterface/fe_interface_values_10.cc b/tests/feinterface/fe_interface_values_10.cc
index 374c5a2e19..01daa415a9 100644
--- a/tests/feinterface/fe_interface_values_10.cc
+++ b/tests/feinterface/fe_interface_values_10.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/feinterface/fe_interface_view_01.cc b/tests/feinterface/fe_interface_view_01.cc
index 67eec23565..21b7aa1654 100644
--- a/tests/feinterface/fe_interface_view_01.cc
+++ b/tests/feinterface/fe_interface_view_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/feinterface/fe_interface_view_02.cc b/tests/feinterface/fe_interface_view_02.cc
index c6964ca860..a354c90f8a 100644
--- a/tests/feinterface/fe_interface_view_02.cc
+++ b/tests/feinterface/fe_interface_view_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_01.cc b/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_01.cc
index ebb48135ad..d4b8416548 100644
--- a/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_01.cc
+++ b/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_02.cc b/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_02.cc
index 1f02218af0..c1adb75eab 100644
--- a/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_02.cc
+++ b/tests/feinterface/fe_interface_view_get_function_from_local_dof_values_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/fullydistributed_grids/grid_tools_local_to_global_vertex_id.cc b/tests/fullydistributed_grids/grid_tools_local_to_global_vertex_id.cc
index e8ee9bd830..cf80a9c310 100644
--- a/tests/fullydistributed_grids/grid_tools_local_to_global_vertex_id.cc
+++ b/tests/fullydistributed_grids/grid_tools_local_to_global_vertex_id.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2018 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/gmsh/gmsh_api_06.cc b/tests/gmsh/gmsh_api_06.cc
index b43e4fd7ed..c981f7218a 100644
--- a/tests/gmsh/gmsh_api_06.cc
+++ b/tests/gmsh/gmsh_api_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/grid/grid_in_comsol_mphtxt_03.cc b/tests/grid/grid_in_comsol_mphtxt_03.cc
index 2c0c444c54..9289e1e7eb 100644
--- a/tests/grid/grid_in_comsol_mphtxt_03.cc
+++ b/tests/grid/grid_in_comsol_mphtxt_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2023 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/grid/grid_tools_local_to_global_vertex_id.cc b/tests/grid/grid_tools_local_to_global_vertex_id.cc
index 6b98d6c2d6..af7cc556ba 100644
--- a/tests/grid/grid_tools_local_to_global_vertex_id.cc
+++ b/tests/grid/grid_tools_local_to_global_vertex_id.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2018 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/grid/periodicity_1d.cc b/tests/grid/periodicity_1d.cc
index f21b2ae811..dac531da8d 100644
--- a/tests/grid/periodicity_1d.cc
+++ b/tests/grid/periodicity_1d.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2022 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/grid/reference_cell_reverse_orientation.cc b/tests/grid/reference_cell_reverse_orientation.cc
index df6c2b0b38..04260fb503 100644
--- a/tests/grid/reference_cell_reverse_orientation.cc
+++ b/tests/grid/reference_cell_reverse_orientation.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2024 - 2024 by the deal.II authors
+// Copyright (C) 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_05.cc b/tests/hp/fe_nothing_05.cc
index 5b25902d6e..d1a11f7b70 100644
--- a/tests/hp/fe_nothing_05.cc
+++ b/tests/hp/fe_nothing_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2021 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_06.cc b/tests/hp/fe_nothing_06.cc
index b8b1e7cfa0..21e04cdea2 100644
--- a/tests/hp/fe_nothing_06.cc
+++ b/tests/hp/fe_nothing_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2021 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_07.cc b/tests/hp/fe_nothing_07.cc
index 64d48aac6e..272c610d3e 100644
--- a/tests/hp/fe_nothing_07.cc
+++ b/tests/hp/fe_nothing_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2021 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_12.cc b/tests/hp/fe_nothing_12.cc
index 1b9726a70c..15337c2b02 100644
--- a/tests/hp/fe_nothing_12.cc
+++ b/tests/hp/fe_nothing_12.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2021 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_13.cc b/tests/hp/fe_nothing_13.cc
index dc50bfe062..88a23ace13 100644
--- a/tests/hp/fe_nothing_13.cc
+++ b/tests/hp/fe_nothing_13.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2021 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_14.cc b/tests/hp/fe_nothing_14.cc
index b7dfd16f0f..71d4659bd0 100644
--- a/tests/hp/fe_nothing_14.cc
+++ b/tests/hp/fe_nothing_14.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2021 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_15.cc b/tests/hp/fe_nothing_15.cc
index 735990e7f2..5869596a32 100644
--- a/tests/hp/fe_nothing_15.cc
+++ b/tests/hp/fe_nothing_15.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2020 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_16.cc b/tests/hp/fe_nothing_16.cc
index 19a105b121..636f118035 100644
--- a/tests/hp/fe_nothing_16.cc
+++ b/tests/hp/fe_nothing_16.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2011 - 2020 by the deal.II authors
+// Copyright (C) 2011 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_dominates_01.cc b/tests/hp/fe_nothing_dominates_01.cc
index a5b97c9960..983d29984d 100644
--- a/tests/hp/fe_nothing_dominates_01.cc
+++ b/tests/hp/fe_nothing_dominates_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/hp/fe_nothing_dominates_02.cc b/tests/hp/fe_nothing_dominates_02.cc
index 96cc3c3749..e169ddb940 100644
--- a/tests/hp/fe_nothing_dominates_02.cc
+++ b/tests/hp/fe_nothing_dominates_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_01.cc b/tests/lac/gmres_reorthogonalize_01.cc
index 204feebe09..72d2671cc5 100644
--- a/tests/lac/gmres_reorthogonalize_01.cc
+++ b/tests/lac/gmres_reorthogonalize_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_02.cc b/tests/lac/gmres_reorthogonalize_02.cc
index 576b9765d5..b7624ce60d 100644
--- a/tests/lac/gmres_reorthogonalize_02.cc
+++ b/tests/lac/gmres_reorthogonalize_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2020 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_03.cc b/tests/lac/gmres_reorthogonalize_03.cc
index 9f441b6385..31c2aa0625 100644
--- a/tests/lac/gmres_reorthogonalize_03.cc
+++ b/tests/lac/gmres_reorthogonalize_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_04.cc b/tests/lac/gmres_reorthogonalize_04.cc
index 883f84124e..3d9336980e 100644
--- a/tests/lac/gmres_reorthogonalize_04.cc
+++ b/tests/lac/gmres_reorthogonalize_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2021 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_05.cc b/tests/lac/gmres_reorthogonalize_05.cc
index a251c0d7da..099264abee 100644
--- a/tests/lac/gmres_reorthogonalize_05.cc
+++ b/tests/lac/gmres_reorthogonalize_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2021 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/gmres_reorthogonalize_06.cc b/tests/lac/gmres_reorthogonalize_06.cc
index b61515cfc7..74b910e0c3 100644
--- a/tests/lac/gmres_reorthogonalize_06.cc
+++ b/tests/lac/gmres_reorthogonalize_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/precondition_relaxation_01.cc b/tests/lac/precondition_relaxation_01.cc
index 8e837650cd..95128108d1 100644
--- a/tests/lac/precondition_relaxation_01.cc
+++ b/tests/lac/precondition_relaxation_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/schur_complement_03.cc b/tests/lac/schur_complement_03.cc
index 8579c8f9ed..db3af40b61 100644
--- a/tests/lac/schur_complement_03.cc
+++ b/tests/lac/schur_complement_03.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2016 - 2023 by the deal.II authors
+ * Copyright (C) 2016 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/lac/solver.cc b/tests/lac/solver.cc
index 800b4bffdb..63dee311f4 100644
--- a/tests/lac/solver.cc
+++ b/tests/lac/solver.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 1999 - 2023 by the deal.II authors
+// Copyright (C) 1999 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_gmres_01.cc b/tests/lac/solver_gmres_01.cc
index f788c3e658..73aeef1a3b 100644
--- a/tests/lac/solver_gmres_01.cc
+++ b/tests/lac/solver_gmres_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_gmres_02.cc b/tests/lac/solver_gmres_02.cc
index 3dd6103bc9..7ae87435c0 100644
--- a/tests/lac/solver_gmres_02.cc
+++ b/tests/lac/solver_gmres_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_gmres_03.cc b/tests/lac/solver_gmres_03.cc
index 85fe7938df..2f829aa263 100644
--- a/tests/lac/solver_gmres_03.cc
+++ b/tests/lac/solver_gmres_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_gmres_04.cc b/tests/lac/solver_gmres_04.cc
index c95aa2581a..41ba95248c 100644
--- a/tests/lac/solver_gmres_04.cc
+++ b/tests/lac/solver_gmres_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_monitor.cc b/tests/lac/solver_monitor.cc
index 22d0c8ed46..ed0889096d 100644
--- a/tests/lac/solver_monitor.cc
+++ b/tests/lac/solver_monitor.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2006 - 2023 by the deal.II authors
+// Copyright (C) 2006 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/lac/solver_signals.cc b/tests/lac/solver_signals.cc
index 761e9a5c15..092d5774ac 100644
--- a/tests/lac/solver_signals.cc
+++ b/tests/lac/solver_signals.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2015 - 2023 by the deal.II authors
+// Copyright (C) 2015 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/mappings/mapping_q_real_to_unit_internal.cc b/tests/mappings/mapping_q_real_to_unit_internal.cc
index 5e02266e61..1e9e46e125 100644
--- a/tests/mappings/mapping_q_real_to_unit_internal.cc
+++ b/tests/mappings/mapping_q_real_to_unit_internal.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/compute_diagonal_08.cc b/tests/matrix_free/compute_diagonal_08.cc
index 8f2eecb09e..709a18b791 100644
--- a/tests/matrix_free/compute_diagonal_08.cc
+++ b/tests/matrix_free/compute_diagonal_08.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/compute_diagonal_09.cc b/tests/matrix_free/compute_diagonal_09.cc
index 60480e1e31..3ee50d1b62 100644
--- a/tests/matrix_free/compute_diagonal_09.cc
+++ b/tests/matrix_free/compute_diagonal_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2022 - 2023 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/evaluate_1d_shape_10.cc b/tests/matrix_free/evaluate_1d_shape_10.cc
index ad5116e3e5..b52efce28c 100644
--- a/tests/matrix_free/evaluate_1d_shape_10.cc
+++ b/tests/matrix_free/evaluate_1d_shape_10.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2022 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/fe_evaluation_type_traits.cc b/tests/matrix_free/fe_evaluation_type_traits.cc
index a217ab5a40..8a260b28b2 100644
--- a/tests/matrix_free/fe_evaluation_type_traits.cc
+++ b/tests/matrix_free/fe_evaluation_type_traits.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2014 - 2022 by the deal.II authors
+// Copyright (C) 2014 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/fe_nothing_02.cc b/tests/matrix_free/fe_nothing_02.cc
index 1d2b8e2739..be1dade5c1 100644
--- a/tests/matrix_free/fe_nothing_02.cc
+++ b/tests/matrix_free/fe_nothing_02.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2022 by the deal.II authors
+// Copyright (C) 2022 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/hanging_node_kernels_01.cc b/tests/matrix_free/hanging_node_kernels_01.cc
index fc66737187..579aa092aa 100644
--- a/tests/matrix_free/hanging_node_kernels_01.cc
+++ b/tests/matrix_free/hanging_node_kernels_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/matrix_vector_mf.h b/tests/matrix_free/matrix_vector_mf.h
index fc4f2587a6..63319fb0cb 100644
--- a/tests/matrix_free/matrix_vector_mf.h
+++ b/tests/matrix_free/matrix_vector_mf.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2023 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/step-48.cc b/tests/matrix_free/step-48.cc
index 165e0811e9..c7a737fb6c 100644
--- a/tests/matrix_free/step-48.cc
+++ b/tests/matrix_free/step-48.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/step-48c.cc b/tests/matrix_free/step-48c.cc
index a8d7479946..104255db82 100644
--- a/tests/matrix_free/step-48c.cc
+++ b/tests/matrix_free/step-48c.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2012 - 2023 by the deal.II authors
+// Copyright (C) 2012 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_01.cc b/tests/matrix_free/tensor_product_evaluate_01.cc
index fcc477d74a..67ea41e19c 100644
--- a/tests/matrix_free/tensor_product_evaluate_01.cc
+++ b/tests/matrix_free/tensor_product_evaluate_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_02.cc b/tests/matrix_free/tensor_product_evaluate_02.cc
index d41525d234..6fa51711ae 100644
--- a/tests/matrix_free/tensor_product_evaluate_02.cc
+++ b/tests/matrix_free/tensor_product_evaluate_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_03.cc b/tests/matrix_free/tensor_product_evaluate_03.cc
index 7507516f06..16189a4117 100644
--- a/tests/matrix_free/tensor_product_evaluate_03.cc
+++ b/tests/matrix_free/tensor_product_evaluate_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_04.cc b/tests/matrix_free/tensor_product_evaluate_04.cc
index e2b4c19598..75181719c8 100644
--- a/tests/matrix_free/tensor_product_evaluate_04.cc
+++ b/tests/matrix_free/tensor_product_evaluate_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_05.cc b/tests/matrix_free/tensor_product_evaluate_05.cc
index d1c4c8685a..309c6daf3d 100644
--- a/tests/matrix_free/tensor_product_evaluate_05.cc
+++ b/tests/matrix_free/tensor_product_evaluate_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_06.cc b/tests/matrix_free/tensor_product_evaluate_06.cc
index 754a53d486..5e103de177 100644
--- a/tests/matrix_free/tensor_product_evaluate_06.cc
+++ b/tests/matrix_free/tensor_product_evaluate_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2022 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_07.cc b/tests/matrix_free/tensor_product_evaluate_07.cc
index 2dc825b1d0..7934d9dfb7 100644
--- a/tests/matrix_free/tensor_product_evaluate_07.cc
+++ b/tests/matrix_free/tensor_product_evaluate_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/matrix_free/tensor_product_evaluate_08.cc b/tests/matrix_free/tensor_product_evaluate_08.cc
index b561a04cbc..0159541c69 100644
--- a/tests/matrix_free/tensor_product_evaluate_08.cc
+++ b/tests/matrix_free/tensor_product_evaluate_08.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/meshworker/scratch_data_04.cc b/tests/meshworker/scratch_data_04.cc
index a81d634ca2..82fbd14044 100644
--- a/tests/meshworker/scratch_data_04.cc
+++ b/tests/meshworker/scratch_data_04.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_05.cc b/tests/meshworker/scratch_data_05.cc
index 041874719d..265d946d33 100644
--- a/tests/meshworker/scratch_data_05.cc
+++ b/tests/meshworker/scratch_data_05.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_06.cc b/tests/meshworker/scratch_data_06.cc
index 83e26cbbe9..7656305153 100644
--- a/tests/meshworker/scratch_data_06.cc
+++ b/tests/meshworker/scratch_data_06.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_07.cc b/tests/meshworker/scratch_data_07.cc
index 7c9a7299e7..eb23540342 100644
--- a/tests/meshworker/scratch_data_07.cc
+++ b/tests/meshworker/scratch_data_07.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2019 - 2023 by the deal.II authors
+ * Copyright (C) 2019 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09a.cc b/tests/meshworker/scratch_data_09a.cc
index 52f5c3f257..c30bb991d1 100644
--- a/tests/meshworker/scratch_data_09a.cc
+++ b/tests/meshworker/scratch_data_09a.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09a_hp.cc b/tests/meshworker/scratch_data_09a_hp.cc
index a2779ae528..57d20fa7f2 100644
--- a/tests/meshworker/scratch_data_09a_hp.cc
+++ b/tests/meshworker/scratch_data_09a_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09b.cc b/tests/meshworker/scratch_data_09b.cc
index af3bfcfbb9..cf5b953819 100644
--- a/tests/meshworker/scratch_data_09b.cc
+++ b/tests/meshworker/scratch_data_09b.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09b_hp.cc b/tests/meshworker/scratch_data_09b_hp.cc
index 2240771968..e31c9e4726 100644
--- a/tests/meshworker/scratch_data_09b_hp.cc
+++ b/tests/meshworker/scratch_data_09b_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09c.cc b/tests/meshworker/scratch_data_09c.cc
index b17c6c9d05..1eb1fca923 100644
--- a/tests/meshworker/scratch_data_09c.cc
+++ b/tests/meshworker/scratch_data_09c.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09c_hp.cc b/tests/meshworker/scratch_data_09c_hp.cc
index 74c4943ce9..1ff7e074e6 100644
--- a/tests/meshworker/scratch_data_09c_hp.cc
+++ b/tests/meshworker/scratch_data_09c_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09d.cc b/tests/meshworker/scratch_data_09d.cc
index a793238495..09fd4cd979 100644
--- a/tests/meshworker/scratch_data_09d.cc
+++ b/tests/meshworker/scratch_data_09d.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_09d_hp.cc b/tests/meshworker/scratch_data_09d_hp.cc
index 2ac34b15b7..cb15399f78 100644
--- a/tests/meshworker/scratch_data_09d_hp.cc
+++ b/tests/meshworker/scratch_data_09d_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_10a.cc b/tests/meshworker/scratch_data_10a.cc
index be0ccbbad7..dd8a1deb24 100644
--- a/tests/meshworker/scratch_data_10a.cc
+++ b/tests/meshworker/scratch_data_10a.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_10a_hp.cc b/tests/meshworker/scratch_data_10a_hp.cc
index 62a4cbfae2..2684b91987 100644
--- a/tests/meshworker/scratch_data_10a_hp.cc
+++ b/tests/meshworker/scratch_data_10a_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_10b.cc b/tests/meshworker/scratch_data_10b.cc
index c6fe8b0882..09c738885a 100644
--- a/tests/meshworker/scratch_data_10b.cc
+++ b/tests/meshworker/scratch_data_10b.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/meshworker/scratch_data_10b_hp.cc b/tests/meshworker/scratch_data_10b_hp.cc
index 212c6957c8..f937ba2dd0 100644
--- a/tests/meshworker/scratch_data_10b_hp.cc
+++ b/tests/meshworker/scratch_data_10b_hp.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2021 - 2022 by the deal.II authors
+ * Copyright (C) 2021 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/mpi/extract_constant_modes_04.cc b/tests/mpi/extract_constant_modes_04.cc
index fa8754db81..87d860e409 100644
--- a/tests/mpi/extract_constant_modes_04.cc
+++ b/tests/mpi/extract_constant_modes_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2023 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/mpi/hp_step-4.cc b/tests/mpi/hp_step-4.cc
index d985132624..5107070da0 100644
--- a/tests/mpi/hp_step-4.cc
+++ b/tests/mpi/hp_step-4.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/mpi/muelu_periodicity.cc b/tests/mpi/muelu_periodicity.cc
index fc40d1d080..b3322d8ca8 100644
--- a/tests/mpi/muelu_periodicity.cc
+++ b/tests/mpi/muelu_periodicity.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2014 - 2023 by the deal.II authors
+ * Copyright (C) 2014 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/mpi/parallel_block_vector_13.cc b/tests/mpi/parallel_block_vector_13.cc
index 51a21cffc5..e191a8c28e 100644
--- a/tests/mpi/parallel_block_vector_13.cc
+++ b/tests/mpi/parallel_block_vector_13.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2013 - 2021 by the deal.II authors
+// Copyright (C) 2013 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/mpi/project_bv_div_conf.cc b/tests/mpi/project_bv_div_conf.cc
index ba4e97f963..1401735150 100644
--- a/tests/mpi/project_bv_div_conf.cc
+++ b/tests/mpi/project_bv_div_conf.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2018 - 2023 by the deal.II authors
+// Copyright (C) 2018 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/interpolate_up_down_01.cc b/tests/multigrid-global-coarsening/interpolate_up_down_01.cc
index 0fef69dd50..c2644eb9a3 100644
--- a/tests/multigrid-global-coarsening/interpolate_up_down_01.cc
+++ b/tests/multigrid-global-coarsening/interpolate_up_down_01.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_01.cc b/tests/multigrid-global-coarsening/mg_transfer_a_01.cc
index dd248b6837..011bac8afb 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_01.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_02.cc b/tests/multigrid-global-coarsening/mg_transfer_a_02.cc
index 71473a979e..f2e2bc587b 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_02.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_03.cc b/tests/multigrid-global-coarsening/mg_transfer_a_03.cc
index b7678349a9..b91e06a191 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_03.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_04.cc b/tests/multigrid-global-coarsening/mg_transfer_a_04.cc
index 8d5e9f1a20..89c9c059fc 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_04.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_05.cc b/tests/multigrid-global-coarsening/mg_transfer_a_05.cc
index 99a98be49b..641d9a2fc2 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_05.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multigrid-global-coarsening/mg_transfer_a_06.cc b/tests/multigrid-global-coarsening/mg_transfer_a_06.cc
index 1eabcc49b1..486996aa6c 100644
--- a/tests/multigrid-global-coarsening/mg_transfer_a_06.cc
+++ b/tests/multigrid-global-coarsening/mg_transfer_a_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multithreading/task_17.cc b/tests/multithreading/task_17.cc
index d9d24969a6..779756e6b9 100644
--- a/tests/multithreading/task_17.cc
+++ b/tests/multithreading/task_17.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2023 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multithreading/task_result_01.cc b/tests/multithreading/task_result_01.cc
index 2f361e9849..7e777bdc05 100644
--- a/tests/multithreading/task_result_01.cc
+++ b/tests/multithreading/task_result_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2020 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/multithreading/task_result_02.cc b/tests/multithreading/task_result_02.cc
index f3e7ed70e0..1df40e7fbd 100644
--- a/tests/multithreading/task_result_02.cc
+++ b/tests/multithreading/task_result_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2009 - 2020 by the deal.II authors
+// Copyright (C) 2009 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/parameter_handler/parameter_handler_read_json_01.cc b/tests/parameter_handler/parameter_handler_read_json_01.cc
index a1d8be6702..1c45aefd2d 100644
--- a/tests/parameter_handler/parameter_handler_read_json_01.cc
+++ b/tests/parameter_handler/parameter_handler_read_json_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2010 - 2020 by the deal.II authors
+// Copyright (C) 2010 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/parameter_handler/parameter_handler_read_json_02.cc b/tests/parameter_handler/parameter_handler_read_json_02.cc
index d29bbb1640..225ba39ee2 100644
--- a/tests/parameter_handler/parameter_handler_read_json_02.cc
+++ b/tests/parameter_handler/parameter_handler_read_json_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/parameter_handler/parameter_handler_read_json_03.cc b/tests/parameter_handler/parameter_handler_read_json_03.cc
index a3f0ceb79d..7a66df316d 100644
--- a/tests/parameter_handler/parameter_handler_read_json_03.cc
+++ b/tests/parameter_handler/parameter_handler_read_json_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/parameter_handler/parameter_handler_read_json_04.cc b/tests/parameter_handler/parameter_handler_read_json_04.cc
index 01d76e88a1..3cfbbdbb56 100644
--- a/tests/parameter_handler/parameter_handler_read_json_04.cc
+++ b/tests/parameter_handler/parameter_handler_read_json_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_05.cc b/tests/particles/generators_05.cc
index 0f92afa228..0ac6d76670 100644
--- a/tests/particles/generators_05.cc
+++ b/tests/particles/generators_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_06.cc b/tests/particles/generators_06.cc
index 46c958dd54..3f008d8192 100644
--- a/tests/particles/generators_06.cc
+++ b/tests/particles/generators_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_07.cc b/tests/particles/generators_07.cc
index f5fdc9df5d..dc48767d48 100644
--- a/tests/particles/generators_07.cc
+++ b/tests/particles/generators_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_08.cc b/tests/particles/generators_08.cc
index c92bc58c8f..d74ca01060 100644
--- a/tests/particles/generators_08.cc
+++ b/tests/particles/generators_08.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_09.cc b/tests/particles/generators_09.cc
index aa0966c6c4..29ba1a9d79 100644
--- a/tests/particles/generators_09.cc
+++ b/tests/particles/generators_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_10.cc b/tests/particles/generators_10.cc
index b7514b018e..823dadbae5 100644
--- a/tests/particles/generators_10.cc
+++ b/tests/particles/generators_10.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_11.cc b/tests/particles/generators_11.cc
index 7e869b9d90..dca0540d93 100644
--- a/tests/particles/generators_11.cc
+++ b/tests/particles/generators_11.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_12.cc b/tests/particles/generators_12.cc
index d6f1b4817f..afa0701e0e 100644
--- a/tests/particles/generators_12.cc
+++ b/tests/particles/generators_12.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/generators_13.cc b/tests/particles/generators_13.cc
index 0e80fd5e1a..2e5fb2f08d 100644
--- a/tests/particles/generators_13.cc
+++ b/tests/particles/generators_13.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/particle_handler_05.cc b/tests/particles/particle_handler_05.cc
index 4ffe58cfec..c5afc2894f 100644
--- a/tests/particles/particle_handler_05.cc
+++ b/tests/particles/particle_handler_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/particle_handler_07.cc b/tests/particles/particle_handler_07.cc
index 27b0364c7e..6fd72f4ea3 100644
--- a/tests/particles/particle_handler_07.cc
+++ b/tests/particles/particle_handler_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2021 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/particle_handler_refinement_outside_cell.cc b/tests/particles/particle_handler_refinement_outside_cell.cc
index 2074ca69b7..2b8b66f5e1 100644
--- a/tests/particles/particle_handler_refinement_outside_cell.cc
+++ b/tests/particles/particle_handler_refinement_outside_cell.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/particle_handler_refinement_outside_cell_02.cc b/tests/particles/particle_handler_refinement_outside_cell_02.cc
index 6798aab16a..5e9ec1e670 100644
--- a/tests/particles/particle_handler_refinement_outside_cell_02.cc
+++ b/tests/particles/particle_handler_refinement_outside_cell_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/particles/particle_handler_serial_07.cc b/tests/particles/particle_handler_serial_07.cc
index 7f79910bee..d2b150af94 100644
--- a/tests/particles/particle_handler_serial_07.cc
+++ b/tests/particles/particle_handler_serial_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2021 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/performance/timing_mg_glob_coarsen.cc b/tests/performance/timing_mg_glob_coarsen.cc
index 42f1b7dfd1..5134f49f95 100644
--- a/tests/performance/timing_mg_glob_coarsen.cc
+++ b/tests/performance/timing_mg_glob_coarsen.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/petsc/deal_solver_03.cc b/tests/petsc/deal_solver_03.cc
index 057b9e5675..2ed59ff9b4 100644
--- a/tests/petsc/deal_solver_03.cc
+++ b/tests/petsc/deal_solver_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2020 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/petsc/petsc_ts_03.cc b/tests/petsc/petsc_ts_03.cc
index ec82ea12d7..c2f9f7c72b 100644
--- a/tests/petsc/petsc_ts_03.cc
+++ b/tests/petsc/petsc_ts_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2023 by the deal.II authors
+// Copyright (C) 2023 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/physics/elasticity-kinematics_01.cc b/tests/physics/elasticity-kinematics_01.cc
index 26607e98ad..4dcfa5d34d 100644
--- a/tests/physics/elasticity-kinematics_01.cc
+++ b/tests/physics/elasticity-kinematics_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2016 - 2020 by the deal.II authors
+// Copyright (C) 2016 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sacado/basic_01b.cc b/tests/sacado/basic_01b.cc
index d78d1b63fb..60abca85d1 100644
--- a/tests/sacado/basic_01b.cc
+++ b/tests/sacado/basic_01b.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sacado/basic_02b.cc b/tests/sacado/basic_02b.cc
index eb0bf300c5..ab0c2ca468 100644
--- a/tests/sacado/basic_02b.cc
+++ b/tests/sacado/basic_02b.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/serialization/particle_handler_01.cc b/tests/serialization/particle_handler_01.cc
index 9e1095b016..4a1eddaecc 100644
--- a/tests/serialization/particle_handler_01.cc
+++ b/tests/serialization/particle_handler_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/serialization/particle_handler_02.cc b/tests/serialization/particle_handler_02.cc
index 2d73646cbf..c325618a27 100644
--- a/tests/serialization/particle_handler_02.cc
+++ b/tests/serialization/particle_handler_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/serialization/particle_handler_03.cc b/tests/serialization/particle_handler_03.cc
index 8d756d0401..9e523622e5 100644
--- a/tests/serialization/particle_handler_03.cc
+++ b/tests/serialization/particle_handler_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/serialization/particle_handler_04.cc b/tests/serialization/particle_handler_04.cc
index ea8165dc3e..aeeb2416d9 100644
--- a/tests/serialization/particle_handler_04.cc
+++ b/tests/serialization/particle_handler_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/simplex/orientation_02.cc b/tests/simplex/orientation_02.cc
index 54d1fa7148..f9d4578232 100644
--- a/tests/simplex/orientation_02.cc
+++ b/tests/simplex/orientation_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/simplex/orientation_06.cc b/tests/simplex/orientation_06.cc
index b71172c78b..643cd7cc56 100644
--- a/tests/simplex/orientation_06.cc
+++ b/tests/simplex/orientation_06.cc
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
- * Copyright (C) 2023 by the deal.II authors
+ * Copyright (C) 2023 - 2024 by the deal.II authors
  *
  * This file is part of the deal.II library.
  *
diff --git a/tests/simplex/refinement_04.cc b/tests/simplex/refinement_04.cc
index 4ea27d7c38..d13ad43e95 100644
--- a/tests/simplex/refinement_04.cc
+++ b/tests/simplex/refinement_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/simplex/refinement_05.cc b/tests/simplex/refinement_05.cc
index 99d6660be2..3869cdbd7c 100644
--- a/tests/simplex/refinement_05.cc
+++ b/tests/simplex/refinement_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/arkode_01.cc b/tests/sundials/arkode_01.cc
index bb186a280e..de570c3ff6 100644
--- a/tests/sundials/arkode_01.cc
+++ b/tests/sundials/arkode_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_01.cc b/tests/sundials/ida_01.cc
index 779be869d1..612c442fd1 100644
--- a/tests/sundials/ida_01.cc
+++ b/tests/sundials/ida_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_02.cc b/tests/sundials/ida_02.cc
index ecc7882dea..888d0ac3ca 100644
--- a/tests/sundials/ida_02.cc
+++ b/tests/sundials/ida_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_06.cc b/tests/sundials/ida_06.cc
index c39a52757c..43d9348f8c 100644
--- a/tests/sundials/ida_06.cc
+++ b/tests/sundials/ida_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_07.cc b/tests/sundials/ida_07.cc
index 654a67d561..f23b49e853 100644
--- a/tests/sundials/ida_07.cc
+++ b/tests/sundials/ida_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_08.cc b/tests/sundials/ida_08.cc
index f91c9b00f9..a26052a3ce 100644
--- a/tests/sundials/ida_08.cc
+++ b/tests/sundials/ida_08.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/ida_09.cc b/tests/sundials/ida_09.cc
index 4bc43ca5a8..83954be221 100644
--- a/tests/sundials/ida_09.cc
+++ b/tests/sundials/ida_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/sundials/kinsol_09.cc b/tests/sundials/kinsol_09.cc
index 21b508f01c..6977d89432 100644
--- a/tests/sundials/kinsol_09.cc
+++ b/tests/sundials/kinsol_09.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2021 - 2023 by the deal.II authors
+// Copyright (C) 2021 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/basic_05.cc b/tests/symengine/basic_05.cc
index 86a523a682..3d8a6ba8e7 100644
--- a/tests/symengine/basic_05.cc
+++ b/tests/symengine/basic_05.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/basic_06.cc b/tests/symengine/basic_06.cc
index 2d4ad5e8d9..880e7231ac 100644
--- a/tests/symengine/basic_06.cc
+++ b/tests/symengine/basic_06.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2022 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/basic_07.cc b/tests/symengine/basic_07.cc
index 33736f5d40..d3ed2c41bb 100644
--- a/tests/symengine/basic_07.cc
+++ b/tests/symengine/basic_07.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/sd_common_tests/batch_optimizer_01.h b/tests/symengine/sd_common_tests/batch_optimizer_01.h
index 84bb43454d..f24be7b673 100644
--- a/tests/symengine/sd_common_tests/batch_optimizer_01.h
+++ b/tests/symengine/sd_common_tests/batch_optimizer_01.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2021 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/sd_common_tests/cse_03.h b/tests/symengine/sd_common_tests/cse_03.h
index 4629a8b808..a9df9188c3 100644
--- a/tests/symengine/sd_common_tests/cse_03.h
+++ b/tests/symengine/sd_common_tests/cse_03.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/sd_common_tests/step-44-sd-quadrature_level.h b/tests/symengine/sd_common_tests/step-44-sd-quadrature_level.h
index d463cbd807..c157a51803 100644
--- a/tests/symengine/sd_common_tests/step-44-sd-quadrature_level.h
+++ b/tests/symengine/sd_common_tests/step-44-sd-quadrature_level.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/sd_common_tests/utilities.h b/tests/symengine/sd_common_tests/utilities.h
index 3c0484b880..32826f7c7e 100644
--- a/tests/symengine/sd_common_tests/utilities.h
+++ b/tests/symengine/sd_common_tests/utilities.h
@@ -2,7 +2,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2020 - 2023 by the deal.II authors
+// Copyright (C) 2020 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/substitution_maps_cyclic_dependencies_01.cc b/tests/symengine/substitution_maps_cyclic_dependencies_01.cc
index 6d6a5bc252..4ef1de71cf 100644
--- a/tests/symengine/substitution_maps_cyclic_dependencies_01.cc
+++ b/tests/symengine/substitution_maps_cyclic_dependencies_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2020 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/substitution_maps_cyclic_dependencies_02.cc b/tests/symengine/substitution_maps_cyclic_dependencies_02.cc
index e1d8e93dd3..8801653bd6 100644
--- a/tests/symengine/substitution_maps_cyclic_dependencies_02.cc
+++ b/tests/symengine/substitution_maps_cyclic_dependencies_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2020 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/substitution_maps_scalar_01.cc b/tests/symengine/substitution_maps_scalar_01.cc
index d67ef8c812..3ffd37b6a8 100644
--- a/tests/symengine/substitution_maps_scalar_01.cc
+++ b/tests/symengine/substitution_maps_scalar_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2020 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/symengine_number_type_01.cc b/tests/symengine/symengine_number_type_01.cc
index 70dab7aebf..fe484249f1 100644
--- a/tests/symengine/symengine_number_type_01.cc
+++ b/tests/symengine/symengine_number_type_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2022 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/symengine_number_type_02.cc b/tests/symengine/symengine_number_type_02.cc
index cb1af94587..255bb4b32b 100644
--- a/tests/symengine/symengine_number_type_02.cc
+++ b/tests/symengine/symengine_number_type_02.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2021 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/symengine_tensor_operations_03.cc b/tests/symengine/symengine_tensor_operations_03.cc
index f4cbff1084..d12d0d560e 100644
--- a/tests/symengine/symengine_tensor_operations_03.cc
+++ b/tests/symengine/symengine_tensor_operations_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/symengine/symengine_tensor_operations_04.cc b/tests/symengine/symengine_tensor_operations_04.cc
index f0bc1703d9..6841aae744 100644
--- a/tests/symengine/symengine_tensor_operations_04.cc
+++ b/tests/symengine/symengine_tensor_operations_04.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/tensors/constexpr_tensor.cc b/tests/tensors/constexpr_tensor.cc
index 2ad4267ed9..457f6a7b66 100644
--- a/tests/tensors/constexpr_tensor.cc
+++ b/tests/tensors/constexpr_tensor.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2019 - 2023 by the deal.II authors
+// Copyright (C) 2019 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/tests.h b/tests/tests.h
index fc476f2f34..e4f69e8d14 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2023 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos/deal_solver_03.cc b/tests/trilinos/deal_solver_03.cc
index cc22fcc5e7..1fcb6bd40f 100644
--- a/tests/trilinos/deal_solver_03.cc
+++ b/tests/trilinos/deal_solver_03.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2004 - 2020 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos/direct_solver_3.cc b/tests/trilinos/direct_solver_3.cc
index 92770bf1f6..3d562e59bf 100644
--- a/tests/trilinos/direct_solver_3.cc
+++ b/tests/trilinos/direct_solver_3.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2023 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos/epetra_vector_reference_01.cc b/tests/trilinos/epetra_vector_reference_01.cc
index c0905d2e0f..cacadfaa47 100644
--- a/tests/trilinos/epetra_vector_reference_01.cc
+++ b/tests/trilinos/epetra_vector_reference_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2018 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos/vector_reference_01.cc b/tests/trilinos/vector_reference_01.cc
index 9048dbacdf..87072552dc 100644
--- a/tests/trilinos/vector_reference_01.cc
+++ b/tests/trilinos/vector_reference_01.cc
@@ -1,7 +1,7 @@
 // ------------------------------------------------------------------------
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
-// Copyright (C) 2017 - 2018 by the deal.II authors
+// Copyright (C) 2017 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/sparse_matrix_set_01.cc b/tests/trilinos_tpetra/sparse_matrix_set_01.cc
index 7b6aaab940..6f8ac7249a 100644
--- a/tests/trilinos_tpetra/sparse_matrix_set_01.cc
+++ b/tests/trilinos_tpetra/sparse_matrix_set_01.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/sparse_matrix_set_02.cc b/tests/trilinos_tpetra/sparse_matrix_set_02.cc
index e09c40835f..0a294ebc7f 100644
--- a/tests/trilinos_tpetra/sparse_matrix_set_02.cc
+++ b/tests/trilinos_tpetra/sparse_matrix_set_02.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_01.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_01.cc
index 0487caaa6c..9c167c52a6 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_01.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_01.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_02.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_02.cc
index e08ba5e997..0d4020bd1c 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_02.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_02.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_03.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_03.cc
index 3646f465e8..4ef6c64c24 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_03.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_03.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_04.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_04.cc
index a9e2d582a2..60558dd201 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_04.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_04.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_05.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_05.cc
index a91dc2e4c0..9470ad84f8 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_05.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_05.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_06.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_06.cc
index 3fb1a0c420..e05fbd2e1f 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_06.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_06.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_07.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_07.cc
index 5f1d8d6a5a..b1ab103824 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_07.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_07.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_08.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_08.cc
index 9b8f907ca6..af5b5a58ea 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_08.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_08.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_09.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_09.cc
index cc2b3f998c..e5598b203a 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_09.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_09.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_10.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_10.cc
index 5ff1074836..5ced6a843f 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_10.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_10.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2018 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_11.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_11.cc
index b29ba58ad0..2ae83bda57 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_11.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_11.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2021 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
diff --git a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_12.cc b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_12.cc
index a5e1a997c0..f9bcb8ca16 100644
--- a/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_12.cc
+++ b/tests/trilinos_tpetra/trilinos_sparse_matrix_iterator_12.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2021 by the deal.II authors
+// Copyright (C) 2004 - 2024 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
-- 
2.39.5