.. _cxx20-status:

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libc++ C++20 Status
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.. include:: ../Helpers/Styles.rst

.. contents::
   :local:


Overview
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In July 2017, the C++ standard committee created a draft for the next version of the C++ standard, initially known as "C++2a".
In September 2020, the C++ standard committee approved this draft, and sent it to ISO for approval as C++20.

This page shows the status of libc++; the status of clang's support of the language features is `here <https://clang.llvm.org/cxx_status.html#cxx20>`__.

The groups that have contributed papers:

-  CWG - Core Language Working group
-  LWG - Library working group
-  SG1 - Study group #1 (Concurrency working group)

.. note:: "Nothing to do" means that no library changes were needed to implement this change.

Paper Status
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.. csv-table::
   :file: Cxx20Papers.csv
   :header-rows: 1
   :widths: auto

Library Working Group Issues Status
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.. csv-table::
   :file: Cxx20Issues.csv
   :header-rows: 1
   :widths: auto
