Update "C++ standard library header files" topic

docs/standard-library/cpp-standard-library-header-files.md

@@ -1,7 +1,7 @@
 ---
 title: "C++ standard library header files"
 description: "C++ standard library header files, categorized"
-ms.date: 08/31/2020
+ms.date: 03/05/2026
 helpviewer_keywords: ["header files, C++ Standard Library", "C++ Standard Library, header files"]
 ---
 # C++ standard library header files
@@ -23,27 +23,29 @@ Header files for the C++ standard library and extensions, by category.
 | Ordered associative containers| [`<map>`](map.md), [`<set>`](set.md) |
 | Unordered associative containers | [`<unordered_map>`](unordered-map.md)<sup>11</sup>, [`<unordered_set>`](unordered-set.md)<sup>11</sup> |
 | Container adaptors | [`<queue>`](queue.md), [`<stack>`](stack.md) |
-| Container views | [`<span>`](span.md)<sup>20</sup> |
+| Container views | `<mdspan>`<sup>23</sup>, [`<span>`](span.md)<sup>20</sup> |
+| Diagnostics | `<stacktrace>`<sup>23</sup> |
 | [Errors and exception handling](../cpp/errors-and-exception-handling-modern-cpp.md) | [`<cassert>`](cassert.md), [`<exception>`](exception.md), [`<stdexcept>`](stdexcept.md), [`<system_error>`](system-error.md)<sup>11</sup> |
-| General utilities | [`<any>`](any.md)<sup>17</sup>, [`<bit>`](bit.md)<sup>20</sup>, [`<bitset>`](bitset.md), [`<cstdlib>`](cstdlib.md), [`<execution>`](execution.md)<sup>17</sup>, [`<functional>`](functional.md), [`<memory>`](memory.md), [`<memory_resource>`](memory-resource.md)<sup>17</sup>, [`<optional>`](optional.md)<sup>17</sup>, [`<ratio>`](ratio.md)<sup>11</sup>, [`<scoped_allocator>`](scoped-allocator.md)<sup>11</sup>, [`<tuple>`](tuple.md)<sup>11</sup>, [`<type_traits>`](type-traits.md)<sup>11</sup>, [`<typeindex>`](typeindex.md)<sup>11</sup>, [`<utility>`](utility.md), [`<variant>`](variant.md)<sup>17</sup> |
-| [I/O and formatting](../text/string-and-i-o-formatting-modern-cpp.md) | [`<cinttypes>`](cinttypes.md)<sup>11</sup>, [`<cstdio>`](cstdio.md), [`<filesystem>`](filesystem.md)<sup>17</sup>, [`<fstream>`](fstream.md), [`<iomanip>`](iomanip.md), [`<ios>`](ios.md), [`<iosfwd>`](iosfwd.md), [`<iostream>`](iostream.md), [`<istream>`](istream.md), [`<ostream>`](ostream.md), [`<sstream>`](sstream.md), [`<streambuf>`](streambuf.md), [`<strstream>`](strstream.md)<sup>c</sup>, `<syncstream>`<sup>20</sup> |
+| General utilities | [`<any>`](any.md)<sup>17</sup>, [`<bit>`](bit.md)<sup>20</sup>, [`<bitset>`](bitset.md), [`<cstdlib>`](cstdlib.md), [`<execution>`](execution.md)<sup>17</sup>, `<expected>`<sup>23</sup>, [`<functional>`](functional.md), [`<memory>`](memory.md), [`<memory_resource>`](memory-resource.md)<sup>17</sup>, [`<optional>`](optional.md)<sup>17</sup>, [`<ratio>`](ratio.md)<sup>11</sup>, [`<scoped_allocator>`](scoped-allocator.md)<sup>11</sup>, [`<tuple>`](tuple.md)<sup>11</sup>, [`<type_traits>`](type-traits.md)<sup>11</sup>, [`<typeindex>`](typeindex.md)<sup>11</sup>, [`<utility>`](utility.md), [`<variant>`](variant.md)<sup>17</sup> |
+| [I/O and formatting](../text/string-and-i-o-formatting-modern-cpp.md) | [`<cinttypes>`](cinttypes.md)<sup>11</sup>, [`<cstdio>`](cstdio.md), [`<filesystem>`](filesystem.md)<sup>17</sup>, `<format>`<sup>20</sup>, [`<fstream>`](fstream.md), [`<iomanip>`](iomanip.md), [`<ios>`](ios.md), [`<iosfwd>`](iosfwd.md), [`<iostream>`](iostream.md), [`<istream>`](istream.md), [`<ostream>`](ostream.md), `<print>`<sup>23</sup>, `<spanstream>`<sup>23</sup>, [`<sstream>`](sstream.md), [`<streambuf>`](streambuf.md), [`<strstream>`](strstream.md)<sup>c</sup>, `<syncstream>`<sup>20</sup> |
 | Iterators | [`<iterator>`](iterator.md) |
-| Language support | [`<cfloat>`](cfloat.md), [`<climits>`](climits.md), [`<codecvt>`](codecvt.md)<sup>11 a</sup>, `<compare>`<sup>20</sup>, `<contract>`<sup>20</sup>, `<coroutine>`<sup>20</sup>, [`<csetjmp>`](csetjmp.md), [`<csignal>`](csignal.md), [`<cstdarg>`](cstdarg.md), [`<cstddef>`](cstddef.md), [`<cstdint>`](cstdint.md)<sup>11</sup>, [`<cstdlib>`](cstdlib.md), [`<exception>`](exception.md), [`<initializer_list>`](initializer-list.md)<sup>11</sup>, [`<limits>`](limits.md), [`<new>`](new.md), [`<typeinfo>`](typeinfo.md), `<version>`<sup>20</sup> |
+| Language support | [`<cfloat>`](cfloat.md), [`<climits>`](climits.md), [`<codecvt>`](codecvt.md)<sup>11 a</sup>, `<compare>`<sup>20</sup>, `<coroutine>`<sup>20</sup>, [`<csetjmp>`](csetjmp.md), [`<csignal>`](csignal.md), [`<cstdarg>`](cstdarg.md), [`<cstddef>`](cstddef.md), [`<cstdint>`](cstdint.md)<sup>11</sup>, [`<cstdlib>`](cstdlib.md), [`<exception>`](exception.md), [`<initializer_list>`](initializer-list.md)<sup>11</sup>, [`<limits>`](limits.md), [`<new>`](new.md), `<source_location>`<sup>20</sup>, `<stdfloat>`<sup>23</sup>, [`<typeinfo>`](typeinfo.md), `<version>`<sup>20</sup> |
 | Localization | [`<clocale>`](clocale.md), [`<codecvt>`](codecvt.md)<sup>11 a</sup>, [`<cvt/wbuffer>`](cvt-wbuffer.md), [`<cvt/wstring>`](cvt-wstring.md), [`<locale>`](locale.md) |
-| Math and numerics | [`<bit>`](bit.md)<sup>20</sup>, [`<cfenv>`](cfenv.md)<sup>11</sup>, [`<cmath>`](cmath.md), [`<complex>`](complex.md), [`<cstdlib>`](cstdlib.md), [`<limits>`](limits.md), [`<numeric>`](numeric.md), [`<random>`](random.md)<sup>11</sup>, [`<ratio>`](ratio.md)<sup>11</sup>, [`<valarray>`](valarray.md) |
+| Math and numerics | [`<bit>`](bit.md)<sup>20</sup>, [`<cfenv>`](cfenv.md)<sup>11</sup>, [`<cmath>`](cmath.md), [`<complex>`](complex.md), [`<cstdlib>`](cstdlib.md), [`<limits>`](limits.md), `<numbers>`<sup>20</sup>, [`<numeric>`](numeric.md), [`<random>`](random.md)<sup>11</sup>, [`<ratio>`](ratio.md)<sup>11</sup>, [`<valarray>`](valarray.md) |
 | [Memory management](../cpp/smart-pointers-modern-cpp.md) | [`<allocators>`](allocators-header.md), [`<memory>`](memory.md), [`<memory_resource>`](memory-resource.md)<sup>17</sup>, [`<new>`](new.md), [`<scoped_allocator>`](scoped-allocator.md)<sup>11</sup> |
-| Multithreading | [`<atomic>`](atomic.md)<sup>11</sup>, [`<condition_variable>`](condition-variable.md)<sup>11</sup>, [`<future>`](future.md)<sup>11</sup>, [`<mutex>`](mutex.md)<sup>11</sup>, [`<shared_mutex>`](shared-mutex.md)<sup>14</sup>, [`<thread>`](thread.md)<sup>11</sup> |
-| Ranges | [`<ranges>`](ranges.md)<sup>20</sup> |
+| Multithreading | [`<atomic>`](atomic.md)<sup>11</sup>, `<barrier>`<sup>20</sup>, [`<condition_variable>`](condition-variable.md)<sup>11</sup>, [`<future>`](future.md)<sup>11</sup>, `<latch>`<sup>20</sup>, [`<mutex>`](mutex.md)<sup>11</sup>, `<semaphore>`<sup>20</sup>, [`<shared_mutex>`](shared-mutex.md)<sup>14</sup>, `<stop_token>`<sup>20</sup>, [`<thread>`](thread.md)<sup>11</sup> |
+| Ranges | `<generator>`<sup>23</sup>, [`<ranges>`](ranges.md)<sup>20</sup> |
 | Regular expressions | [`<regex>`](regex.md)<sup>11</sup> |
 | Strings and character data | [`<charconv>`](charconv.md)<sup>17</sup>, [`<cctype>`](cctype.md), [`<cstdlib>`](cstdlib.md), [`<cstring>`](cstring.md), [`<cuchar>`](cuchar.md)<sup>11</sup>, [`<cwchar>`](cwchar.md), [`<cwctype>`](cwctype.md), [`<regex>`](regex.md)<sup>11</sup>, [`<string>`](string.md), [`<string_view>`](string-view.md)<sup>17</sup> |
 | Time | [`<chrono>`](chrono.md)<sup>11</sup>, [`<ctime>`](ctime.md) |
 
 <sup>11</sup> Added in the C++11 standard.\
 <sup>14</sup> Added in the C++14 standard.\
 <sup>17</sup> Added in the C++17 standard.\
-<sup>20</sup> Added in the draft C++20 standard.\
+<sup>20</sup> Added in the C++20 standard.\
+<sup>23</sup> Added in the C++23 standard.\
 <sup>a</sup> Deprecated in the C++17 standard.\
-<sup>b</sup> Removed in the draft C++20 standard.\
+<sup>b</sup> Removed in the C++20 standard.\
 <sup>c</sup> Deprecated in the C++98 standard.
 
 ::: moniker-end
@@ -58,7 +60,7 @@ Header files for the C++ standard library and extensions, by category.
 |Sequence containers|[`<array>`](array.md), [`<deque>`](deque.md), [`<forward_list>`](forward-list.md), [`<list>`](list.md), [`<vector>`](vector.md)|
 |Ordered associative containers| [`<map>`](map.md), [`<set>`](set.md)|
 |Unordered associative containers|[`<unordered_map>`](unordered-map.md), [`<unordered_set>`](unordered-set.md)|
-|Adaptor containers|[`<queue>`](queue.md), [`<stack>`](stack.md)|
+|Container adaptors|[`<queue>`](queue.md), [`<stack>`](stack.md)|
 |[Errors and exception handling](../cpp/errors-and-exception-handling-modern-cpp.md)|[`<exception>`](exception.md), [`<stdexcept>`](stdexcept.md), [`<system_error>`](system-error.md)|
 |[I/O and formatting](../text/string-and-i-o-formatting-modern-cpp.md)|[`<filesystem>`](filesystem.md), [`<fstream>`](fstream.md), [`<iomanip>`](iomanip.md), [`<ios>`](ios.md), [`<iosfwd>`](iosfwd.md), [`<iostream>`](iostream.md), [`<istream>`](istream.md), [`<ostream>`](ostream.md), [`<sstream>`](sstream.md), [`<streambuf>`](streambuf.md), [`<strstream>`](strstream.md)|
 |Iterators|[`<iterator>`](iterator.md)|