===========================
OpenMP 21.0.0 Release Notes
===========================


.. warning::
   These are in-progress notes for the upcoming LLVM 19.0.0 release.
   Release notes for previous releases can be found on
   `the Download Page <https://releases.llvm.org/download.html>`_.


Introduction
============

This document contains the release notes for the OpenMP runtime, release 19.0.0.
Here we describe the status of OpenMP, including major improvements
from the previous release. All OpenMP releases may be downloaded
from the `LLVM releases web site <https://llvm.org/releases/>`_.

Non-comprehensive list of changes in this release
=================================================

- Removed the standalone build mode. It is redundant with the runtimes default
  build.

Device Runtime
--------------
- Changed the OpenMP DeviceRTL to use 'generic' IR. The
  ``LIBOMPTARGET_DEVICE_ARCHITECTURES`` CMake argument is now unused and will
  always build support for AMDGPU and NVPTX targets.
- Updated the offloading entry format but retained backwards compatibility with
  the old format.