.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0.  If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.

.. _relnotes:

Release Notes
=============

.. contents::

Introduction
------------

BIND 9.20 (Extended Support Version) is a stable branch, suitable for
production use. This document summarizes significant changes since the
last production release on the 9.18 branch. Please see the
:ref:`changelog` file for a more detailed list of changes and bug fixes.

Supported Platforms
-------------------

See the :ref:`supported_os` section in the :ref:`Requirements` chapter.

Download
--------

The latest versions of BIND 9 software can always be found at
https://www.isc.org/download/. There you will find additional
information about each release, and source code.

.. _relnotes_known_issues:

Known Issues
------------

The list of known issues affecting the latest version in the 9.20 branch can be
found at
https://gitlab.isc.org/isc-projects/bind9/-/wikis/Known-Issues-in-BIND-9.20

.. include:: ../notes/notes-9.20.27.rst
.. include:: ../notes/notes-9.20.26.rst
.. include:: ../notes/notes-9.20.25.rst
.. include:: ../notes/notes-9.20.24.rst
.. include:: ../notes/notes-9.20.23.rst
.. include:: ../notes/notes-9.20.22.rst
.. include:: ../notes/notes-9.20.21.rst
.. include:: ../notes/notes-9.20.20.rst
.. include:: ../notes/notes-9.20.19.rst
.. include:: ../notes/notes-9.20.18.rst
.. include:: ../notes/notes-9.20.17.rst
.. include:: ../notes/notes-9.20.16.rst
.. include:: ../notes/notes-9.20.15.rst
.. include:: ../notes/notes-9.20.14.rst
.. include:: ../notes/notes-9.20.13.rst
.. include:: ../notes/notes-9.20.12.rst
.. include:: ../notes/notes-9.20.11.rst
.. include:: ../notes/notes-9.20.10.rst
.. include:: ../notes/notes-9.20.9.rst
.. include:: ../notes/notes-9.20.8.rst
.. include:: ../notes/notes-9.20.7.rst
.. include:: ../notes/notes-9.20.6.rst
.. include:: ../notes/notes-9.20.5.rst
.. include:: ../notes/notes-9.20.4.rst
.. include:: ../notes/notes-9.20.3.rst
.. include:: ../notes/notes-9.20.2.rst
.. include:: ../notes/notes-9.20.1.rst
.. include:: ../notes/notes-9.20.0.rst

.. _relnotes_license:

License
-------

BIND 9 is open source software licensed under the terms of the Mozilla Public
License, version 2.0 (see the ``COPYING`` file for the full text).

Those wishing to discuss license compliance may contact ISC at
https://www.isc.org/contact/.

End of Life
-----------

BIND 9.20 (Extended Support Version) will be supported until at least
March, 2028. See https://kb.isc.org/docs/aa-00896 for details of
ISC's software support policy.

Thank You
---------

Thank you to everyone who assisted us in making this release possible.
