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+========================================
+Flang 12.0.0 (In-Progress) Release Notes
+========================================
+
+.. contents::
+   :local:
+   :depth: 2
+
+.. warning::
+
+   These are in-progress notes for the upcoming LLVM 12.0.0 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 Flang Fortran
+frontend, part of the LLVM Compiler Infrastructure, release 12.0.0. Here we
+describe the status of Flang in some detail, including major
+improvements from the previous release and new feature work. For the
+general LLVM release notes, see `the LLVM
+documentation <https://llvm.org/docs/ReleaseNotes.html>`_. All LLVM
+releases may be downloaded from the `LLVM releases web
+site <https://llvm.org/releases/>`_.
+
+Note that if you are reading this file from a Git checkout, 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 <https://llvm.org/releases/>`_.
+
+Known Issues
+============
+
+These are issues that couldn't be fixed before the release. See the bug reports for the latest status.
+
+- ...
+
+What's New in Flang 12.0.0?
+===========================
+
+Some of the major new features and improvements to Flang are listed
+here. 
+
+Major New Features
+------------------
+
+- ...
+
+Non-comprehensive list of changes in this release
+=================================================
+
+- ...
+
+New Compiler Flags
+------------------
+
+- ...
+
+Deprecated Compiler Flags
+-------------------------
+
+The following options are deprecated and ignored. They will be removed in
+future versions of Clang.
+
+- ...
+
+Modified Compiler Flags
+-----------------------
+
+- ...
+
+Fortran language Feature Support
+--------------------------------
+- ...
+
+ABI Changes in Clang
+--------------------
+
+- ...
+
+OpenMP Support in Clang
+-----------------------
+
+- ...
+
+CUDA Support in Clang
+---------------------
+
+- ...
+
+OpenACC Support in Clang
+------------------------
+
+- ...
+
+Internal API Changes
+--------------------
+
+These are major API changes that have happened since the 11.0.0 release of
+Flang. If upgrading an external codebase that uses Flang as a library,
+this section should help get you past the largest hurdles of upgrading.
+
+- ...
+
+Build System Changes
+--------------------
+
+These are major changes to the build system that have happened since the 11.0.0
+release of Flang. Users of the build system should adjust accordingly.
+
+- ...
+
+Additional Information
+======================
+
+Flang's documentation is located in the flang project in the ``flang/docs/``
+directory in the LLVM monorepo.
+
+If you have any questions or comments about Flang, please feel free to
+contact us via the `mailing
+list <https://lists.llvm.org/mailman/listinfo/flang-dev>`_.