.. 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.

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

.. contents::

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

BIND 9.16 (Extended Support Version) is a stable branch of BIND. This
document summarizes significant changes since the last production
release on that branch. Please see the CHANGES file for a more detailed
list of changes and bug fixes.

Note on Version Numbering
-------------------------

As of BIND 9.13/9.14, BIND has adopted the "odd-unstable/even-stable"
release numbering convention. BIND 9.16 contains new features that were
added during the BIND 9.15 development process. Henceforth, the 9.16
branch will be limited to bug fixes, and new feature development will
proceed in the unstable 9.17 branch.

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, source code, and pre-compiled versions
for Microsoft Windows operating systems.

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.. _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 9.16 (Extended Support Version) will be supported until at least
December, 2023. 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.
