diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index bb00453..d87cb58 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -1,4 +1,4 @@
-# Copyright 2011-2025 Antony Polukhin.
+# Copyright 2011-2026 Antony Polukhin.
 # Use, modification, and distribution are
 # subject to the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/doc/type_index.qbk b/doc/type_index.qbk
index 2de19ec..e712d65 100644
--- a/doc/type_index.qbk
+++ b/doc/type_index.qbk
@@ -1,7 +1,7 @@
 [library Boost.TypeIndex
     [quickbook 1.6]
-    [version 4.2]
-    [copyright 2012-2025 Antony Polukhin]
+    [version 4.3]
+    [copyright 2012-2026 Antony Polukhin]
     [category Language Features Emulation]
     [license
         Distributed under the Boost Software License, Version 1.0.
@@ -519,7 +519,7 @@ Such differences are usually not detected by linker and lead to errors at runtim
 
 [endsect]
 
-[section Acknowledgements]
+[section Acknowledgments]
 
 In order of helping and advising:
 
diff --git a/examples/constexpr14_namespace_check.cpp b/examples/constexpr14_namespace_check.cpp
index 624d984..6644e9f 100644
--- a/examples/constexpr14_namespace_check.cpp
+++ b/examples/constexpr14_namespace_check.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/constexpr14_sort_check.cpp b/examples/constexpr14_sort_check.cpp
index 3b05a9b..0551a17 100644
--- a/examples/constexpr14_sort_check.cpp
+++ b/examples/constexpr14_sort_check.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/demangled_names.cpp b/examples/demangled_names.cpp
index 11d18b4..3f97728 100644
--- a/examples/demangled_names.cpp
+++ b/examples/demangled_names.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/exact_types_match.cpp b/examples/exact_types_match.cpp
index c3cd427..cabffe1 100644
--- a/examples/exact_types_match.cpp
+++ b/examples/exact_types_match.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/inheritance.cpp b/examples/inheritance.cpp
index 4aa4d39..a999185 100644
--- a/examples/inheritance.cpp
+++ b/examples/inheritance.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/registry.cpp b/examples/registry.cpp
index e5e1048..c8c1e64 100644
--- a/examples/registry.cpp
+++ b/examples/registry.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/table_of_names.cpp b/examples/table_of_names.cpp
index bf094ab..446fd32 100644
--- a/examples/table_of_names.cpp
+++ b/examples/table_of_names.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/user_defined_typeinfo.cpp b/examples/user_defined_typeinfo.cpp
index 51f12b7..1f7f1dd 100644
--- a/examples/user_defined_typeinfo.cpp
+++ b/examples/user_defined_typeinfo.cpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/examples/user_defined_typeinfo.hpp b/examples/user_defined_typeinfo.hpp
index 238b56e..54485d1 100644
--- a/examples/user_defined_typeinfo.hpp
+++ b/examples/user_defined_typeinfo.hpp
@@ -1,4 +1,4 @@
-// Copyright 2013-2025 Antony Polukhin
+// Copyright 2013-2026 Antony Polukhin
 
 // Distributed under the Boost Software License, Version 1.0.
 // (See the accompanying file LICENSE_1_0.txt
diff --git a/include/boost/type_index.hpp b/include/boost/type_index.hpp
index 99f38b2..fc39925 100644
--- a/include/boost/type_index.hpp
+++ b/include/boost/type_index.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/type_index/ctti_type_index.hpp b/include/boost/type_index/ctti_type_index.hpp
index 6f009ed..24946cd 100644
--- a/include/boost/type_index/ctti_type_index.hpp
+++ b/include/boost/type_index/ctti_type_index.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/detail/compile_time_type_info.hpp b/include/boost/type_index/detail/compile_time_type_info.hpp
index 4218d5b..76bb5f5 100644
--- a/include/boost/type_index/detail/compile_time_type_info.hpp
+++ b/include/boost/type_index/detail/compile_time_type_info.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/detail/config.hpp b/include/boost/type_index/detail/config.hpp
index 041d596..50850dc 100644
--- a/include/boost/type_index/detail/config.hpp
+++ b/include/boost/type_index/detail/config.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/detail/ctti_register_class.hpp b/include/boost/type_index/detail/ctti_register_class.hpp
index b8dd905..e25d5fd 100644
--- a/include/boost/type_index/detail/ctti_register_class.hpp
+++ b/include/boost/type_index/detail/ctti_register_class.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/detail/stl_register_class.hpp b/include/boost/type_index/detail/stl_register_class.hpp
index 67b34f3..e7181ef 100644
--- a/include/boost/type_index/detail/stl_register_class.hpp
+++ b/include/boost/type_index/detail/stl_register_class.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/stl_type_index.hpp b/include/boost/type_index/stl_type_index.hpp
index eb04b9e..ec07d4b 100644
--- a/include/boost/type_index/stl_type_index.hpp
+++ b/include/boost/type_index/stl_type_index.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/include/boost/type_index/type_index_facade.hpp b/include/boost/type_index/type_index_facade.hpp
index 5e95e24..b55438c 100644
--- a/include/boost/type_index/type_index_facade.hpp
+++ b/include/boost/type_index/type_index_facade.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2013-2025 Antony Polukhin.
+// Copyright 2013-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/index.html b/index.html
index 883f012..9337e06 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!--
- Copyright 2014-2025 Antony Polukhin
+ Copyright 2014-2026 Antony Polukhin
  antoshkka at gmail dot com
 
  Distributed under the Boost Software License,
diff --git a/modules/boost_type_index.cppm b/modules/boost_type_index.cppm
index cd9084e..6f53dda 100644
--- a/modules/boost_type_index.cppm
+++ b/modules/boost_type_index.cppm
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2025 Antony Polukhin
+// Copyright (c) 2016-2026 Antony Polukhin
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/modules/usage_sample.cpp b/modules/usage_sample.cpp
index 89b82b2..0f1e228 100644
--- a/modules/usage_sample.cpp
+++ b/modules/usage_sample.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2025 Antony Polukhin
+// Copyright (c) 2016-2026 Antony Polukhin
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/modules/usage_test_mu1.cpp b/modules/usage_test_mu1.cpp
index 001145d..04a77c2 100644
--- a/modules/usage_test_mu1.cpp
+++ b/modules/usage_test_mu1.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2025 Antony Polukhin
+// Copyright (c) 2016-2026 Antony Polukhin
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/modules/usage_test_mu2.cpp b/modules/usage_test_mu2.cpp
index 120539c..16f9722 100644
--- a/modules/usage_test_mu2.cpp
+++ b/modules/usage_test_mu2.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2016-2025 Antony Polukhin
+// Copyright (c) 2016-2026 Antony Polukhin
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index f306a62..f347950 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright  (c) 2016-2025 Antony Polukhin
+# Copyright  (c) 2016-2026 Antony Polukhin
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 3ca8438..a62ef6d 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -1,4 +1,4 @@
-# Copyright 2012-2025 Antony Polukhin
+# Copyright 2012-2026 Antony Polukhin
 #
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/appveyor.yml b/test/appveyor.yml
index c948cb0..3bbbb97 100644
--- a/test/appveyor.yml
+++ b/test/appveyor.yml
@@ -2,7 +2,7 @@
 # subject to the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 #
-# Copyright 2016-2025 Antony Polukhin.
+# Copyright 2016-2026 Antony Polukhin.
 
 #
 # See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
diff --git a/test/cmake_subdir_test/CMakeLists.txt b/test/cmake_subdir_test/CMakeLists.txt
index 0ba8f36..698e472 100644
--- a/test/cmake_subdir_test/CMakeLists.txt
+++ b/test/cmake_subdir_test/CMakeLists.txt
@@ -1,4 +1,4 @@
-# Copyright  (c) 2016-2025 Antony Polukhin
+# Copyright  (c) 2016-2026 Antony Polukhin
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
diff --git a/test/compare_ctti_stl.cpp b/test/compare_ctti_stl.cpp
index 5e94939..302e225 100644
--- a/test/compare_ctti_stl.cpp
+++ b/test/compare_ctti_stl.cpp
@@ -1,5 +1,5 @@
 // Copyright Klemens Morgenstern, 2012-2015.
-// Copyright 2019-2025 Antony Polukhin.
+// Copyright 2019-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/ctti_print_name.cpp b/test/ctti_print_name.cpp
index 19062eb..659a6ae 100644
--- a/test/ctti_print_name.cpp
+++ b/test/ctti_print_name.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/test_lib.cpp b/test/test_lib.cpp
index cd7eb74..5da4490 100644
--- a/test/test_lib.cpp
+++ b/test/test_lib.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/test/test_lib.hpp b/test/test_lib.hpp
index 05ebe7f..a42e872 100644
--- a/test/test_lib.hpp
+++ b/test/test_lib.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/test/test_lib_anonymous.cpp b/test/test_lib_anonymous.cpp
index 1b5f3d6..0d0b3dd 100644
--- a/test/test_lib_anonymous.cpp
+++ b/test/test_lib_anonymous.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/test/test_lib_anonymous.hpp b/test/test_lib_anonymous.hpp
index 3bbb4d3..601e298 100644
--- a/test/test_lib_anonymous.hpp
+++ b/test/test_lib_anonymous.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/test/testing_crossmodule.cpp b/test/testing_crossmodule.cpp
index c977223..29d523a 100644
--- a/test/testing_crossmodule.cpp
+++ b/test/testing_crossmodule.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/testing_crossmodule_anonymous.cpp b/test/testing_crossmodule_anonymous.cpp
index 4147ae2..1df2958 100644
--- a/test/testing_crossmodule_anonymous.cpp
+++ b/test/testing_crossmodule_anonymous.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/track_13621.cpp b/test/track_13621.cpp
index a589dbe..512dfa7 100644
--- a/test/track_13621.cpp
+++ b/test/track_13621.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2018-2025 Antony Polukhin.
+// Copyright 2018-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/type_index_constexpr_test.cpp b/test/type_index_constexpr_test.cpp
index e3fc2ef..d619650 100644
--- a/test/type_index_constexpr_test.cpp
+++ b/test/type_index_constexpr_test.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2015-2025 Antony Polukhin.
+// Copyright 2015-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/type_index_test.cpp b/test/type_index_test.cpp
index 99286b2..539b7c4 100644
--- a/test/type_index_test.cpp
+++ b/test/type_index_test.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/type_index_test_ctti_alignment.cpp b/test/type_index_test_ctti_alignment.cpp
index 4dee911..c32f8fb 100644
--- a/test/type_index_test_ctti_alignment.cpp
+++ b/test/type_index_test_ctti_alignment.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/type_index_test_ctti_construct_fail.cpp b/test/type_index_test_ctti_construct_fail.cpp
index a44bd95..ab3037c 100644
--- a/test/type_index_test_ctti_construct_fail.cpp
+++ b/test/type_index_test_ctti_construct_fail.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
diff --git a/test/type_index_test_ctti_copy_fail.cpp b/test/type_index_test_ctti_copy_fail.cpp
index a92ec83..1318733 100644
--- a/test/type_index_test_ctti_copy_fail.cpp
+++ b/test/type_index_test_ctti_copy_fail.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright 2012-2025 Antony Polukhin.
+// Copyright 2012-2026 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at