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Clang |release| |ReleaseNotesTitle|
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Written by the `LLVM Team <>`_
.. only:: PreRelease
.. warning::
These are in-progress notes for the upcoming Clang |version| release.
Release notes for previous releases can be found on
`the Download Page <>`_.
This document contains the release notes for the Clang C/C++/Objective-C
frontend, part of the LLVM Compiler Infrastructure, release |release|. Here we
describe the status of Clang in some detail, including major
improvements from the previous release and new feature work. For the
general LLVM release notes, see `the LLVM
documentation <>`_. All LLVM
releases may be downloaded from the `LLVM releases web
site <>`_.
For more information about Clang or LLVM, including information about the
latest release, please see the `Clang Web Site <>`_ or the
`LLVM Web Site <>`_.
Note that if you are reading this file from a Git checkout or the
main Clang web page, this document applies to the *next* release, not
the current one. To see the release notes for a specific release, please
see the `releases page <>`_.
Potentially Breaking Changes
These changes are ones which we think may surprise users when upgrading to
Clang |release| because of the opportunity they pose for disruption to existing
code bases.
What's New in Clang |release|?
Some of the major new features and improvements to Clang are listed
here. Generic improvements to Clang as a whole or to its underlying
infrastructure are described first, followed by language-specific
sections with improvements to Clang's support for those languages.
Major New Features
Bug Fixes
Improvements to Clang's diagnostics
Non-comprehensive list of changes in this release
New Compiler Flags
Deprecated Compiler Flags
Modified Compiler Flags
Removed Compiler Flags
New Pragmas in Clang
- ...
Attribute Changes in Clang
Windows Support
AIX Support
C Language Changes in Clang
C2x Feature Support
C++ Language Changes in Clang
C++20 Feature Support
C++2b Feature Support
CUDA/HIP Language Changes in Clang
Objective-C Language Changes in Clang
OpenCL C Language Changes in Clang
ABI Changes in Clang
OpenMP Support in Clang
CUDA Support in Clang
LoongArch Support in Clang
RISC-V Support in Clang
X86 Support in Clang
WebAssembly Support in Clang
DWARF Support in Clang
Arm and AArch64 Support in Clang
Floating Point Support in Clang
Internal API Changes
Build System Changes
AST Matchers
Static Analyzer
.. _release-notes-sanitizers:
Core Analysis Improvements
- ...
New Issues Found
- ...
Python Binding Changes
The following methods have been added:
- ...
Significant Known Problems
Additional Information
A wide variety of additional information is available on the `Clang web
page <>`_. The web page contains versions of the
API documentation which are up-to-date with the Git version of
the source code. You can access versions of these documents specific to
this release by going into the "``clang/docs/``" directory in the Clang
If you have any questions or comments about Clang, please feel free to
contact us on the Discourse forums (Clang Frontend category)