1=========================================== 2Libc++ 21.0.0 (In-Progress) Release Notes 3=========================================== 4 5.. contents:: 6 :local: 7 :depth: 2 8 9Written by the `Libc++ Team <https://libcxx.llvm.org>`_ 10 11.. warning:: 12 13 These are in-progress notes for the upcoming libc++ 20.0.0 release. 14 Release notes for previous releases can be found on 15 `the Download Page <https://releases.llvm.org/download.html>`_. 16 17Introduction 18============ 19 20This document contains the release notes for the libc++ C++ Standard Library, 21part of the LLVM Compiler Infrastructure, release 20.0.0. Here we describe the 22status of libc++ in some detail, including major improvements from the previous 23release and new feature work. For the general LLVM release notes, see `the LLVM 24documentation <https://llvm.org/docs/ReleaseNotes.html>`_. All LLVM releases may 25be downloaded from the `LLVM releases web site <https://llvm.org/releases/>`_. 26 27For more information about libc++, please see the `Libc++ Web Site 28<https://libcxx.llvm.org>`_ or the `LLVM Web Site <https://llvm.org>`_. 29 30Note that if you are reading this file from a Git checkout or the 31main Libc++ web page, this document applies to the *next* release, not 32the current one. To see the release notes for a specific release, please 33see the `releases page <https://llvm.org/releases/>`_. 34 35What's New in Libc++ 21.0.0? 36============================== 37 38Implemented Papers 39------------------ 40 41- TODO 42 43 44Improvements and New Features 45----------------------------- 46 47- TODO 48 49 50Deprecations and Removals 51------------------------- 52 53Upcoming Deprecations and Removals 54---------------------------------- 55 56LLVM 22 57~~~~~~~ 58 59- TODO 60 61 62ABI Affecting Changes 63--------------------- 64 65- TODO 66 67 68Build System Changes 69-------------------- 70 71- TODO 72