[libcxx-commits] [PATCH] D141304: [libc++][doc] Updates the release notes.

Mon Jan 9 10:08:53 PST 2023

Mordante created this revision.
Mordante added reviewers: EricWF, ldionne, philnik, var-const, huixie90, avogelsgesang, jloser.
Herald added a subscriber: mgrang.
Herald added a project: All.
Mordante requested review of this revision.
Herald added a project: libc++.
Herald added a subscriber: libcxx-commits.
Herald added a reviewer: libc++.

This is a preparation for the upcoming LLVM 17 release.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141304

Files:
  libcxx/docs/ReleaseNotes.rst
  libcxx/docs/Status/Cxx20Papers.csv
  libcxx/docs/Status/Cxx2bPapers.csv


Index: libcxx/docs/Status/Cxx2bPapers.csv
===================================================================

--- libcxx/docs/Status/Cxx2bPapers.csv
+++ libcxx/docs/Status/Cxx2bPapers.csv
@@ -89,7 +89,7 @@
 "`P2549R1 <https://wg21.link/P2549R1>`__","LWG","``std::unexpected`` should have ``error()`` as member accessor","July 2022","|Complete|","16.0"
 "`P2553R1 <https://wg21.link/P2553R1>`__","LWG","Make ``mdspan`` ``size_type`` controllable","July 2022","",""
 "`P2554R0 <https://wg21.link/P2554R0>`__","LWG","C-Array Interoperability of MDSpan","July 2022","",""
-"`P2585R0 <https://wg21.link/P2585R0>`__","LWG","Improving default container formatting","July 2022","",""
+"`P2585R0 <https://wg21.link/P2585R0>`__","LWG","Improving default container formatting","July 2022","|Partial|",""
 "`P2590R2 <https://wg21.link/P2590R2>`__","LWG","Explicit lifetime management","July 2022","",""
 "`P2599R2 <https://wg21.link/P2599R2>`__","LWG","``mdspan::size_type`` should be ``index_type``","July 2022","",""
 "`P2604R0 <https://wg21.link/P2604R0>`__","LWG","mdspan: rename pointer and contiguous","July 2022","",""
Index: libcxx/docs/Status/Cxx20Papers.csv
===================================================================
--- libcxx/docs/Status/Cxx20Papers.csv
+++ libcxx/docs/Status/Cxx20Papers.csv
@@ -114,7 +114,7 @@
 "`P1207R4 <https://wg21.link/P1207R4>`__","LWG","Movability of Single-pass Iterators","Cologne","|Complete|","15.0","|ranges|"
 "`P1208R6 <https://wg21.link/P1208R6>`__","LWG","Adopt source_location for C++20","Cologne","",""
 "`P1355R2 <https://wg21.link/P1355R2>`__","LWG","Exposing a narrow contract for ceil2","Cologne","|Complete|","9.0"
-"`P1361R2 <https://wg21.link/P1361R2>`__","LWG","Integration of chrono with text formatting","Cologne","|In Progress|",""
+"`P1361R2 <https://wg21.link/P1361R2>`__","LWG","Integration of chrono with text formatting","Cologne","|Partial|",""
 "`P1423R3 <https://wg21.link/P1423R3>`__","LWG","char8_t backward compatibility remediation","Cologne","|Complete|","15.0"
 "`P1424R1 <https://wg21.link/P1424R1>`__","LWG","'constexpr' feature macro concerns","Cologne","Superseded by `P1902 <https://wg21.link/P1902>`__",""
 "`P1466R3 <https://wg21.link/P1466R3>`__","LWG","Miscellaneous minor fixes for chrono","Cologne","",""
Index: libcxx/docs/ReleaseNotes.rst
===================================================================
--- libcxx/docs/ReleaseNotes.rst
+++ libcxx/docs/ReleaseNotes.rst
@@ -35,6 +35,19 @@
 What's New in Libc++ 16.0.0?
 ============================
 
+The main focus of the libc++ team has been to implement new C++20 and C++23
+features.
+
+The C++20 format library has improved but it not yet considered stable. The
+main improvements are additional formatters for the chrono calendar types. Work
+on formatting ranges has started.
+
+The C++20 ranges library has been completed and is no longer experimental. Some
+``view`` s  have not been implemented yet. Work on C++23 ranges has started.
+
+The C++20 spaceship operator has been added to more types, the work is still
+ongoing.
+
 Implemented Papers
 ------------------
 - P2499R0 - ``string_view`` range constructor should be ``explicit``
@@ -51,6 +64,7 @@
 - P0339R6 - ``polymorphic_allocator<>`` as a vocabulary type
 - P1169R4 - ``static operator()``
 - P0415R1 - ``constexpr`` for ``std::complex``
+- P0323R12 - ``std::expected``
 
 Improvements and New Features
 -----------------------------
@@ -58,6 +72,7 @@
   now provided when implementations in the global namespace are provided by
   the C library.
 - Implemented ``<memory_resource>`` header from C++17
+- Improved the performance of std::sort
 
 Deprecations and Removals
 -------------------------
@@ -68,8 +83,7 @@
   includes are removed based on the language version used. Incidental transitive
   inclusions of the following headers have been removed:
 
-  - C++11, C++14, and C++17: ``chrono``
-  - C++20: ``chrono``
+  - C++11, C++14, C++17, and C++20: ``chrono``
   - C++2b: ``algorithm``, ``array``, ``atomic``, ``bit``, ``chrono``,
     ``climits``, ``cmath``, ``compare``, ``concepts``, ``cstdarg``, ``cstddef``,
     ``cstdint``, ``cstdlib``, ``cstring``, ``ctime``, ``exception``,
@@ -84,7 +98,7 @@
   incidental transitive includes more aggressively, in particular regardless
   of the language version in use.
 
-- The legacy testing system for libc++, libc++abi and libunwind has been removed.
+- The legacy testing system for libc++, libc++abi, and libunwind has been removed.
   All known clients have been migrated to the new configuration system, but please
   reach out to the libc++ developers if you find something missing in the new
   configuration system.


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