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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<meta http-equiv="content-type" content="text/html; charset=us-ascii">
<title>Recent changes in Ghostscript</title>
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<h1>Changes in the most recent release of Ghostscript</h1>
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<p>
This document is news about the most recent Ghostscript release. For
earlier versions, see the history documents:
<blockquote>
<a href="History9.htm">History of Ghostscript versions 9.n</a><br>
<a href="History8.htm">History of Ghostscript versions 8.n</a><br>
<a href="History7.htm">History of Ghostscript versions 7.n</a><br>
<a href="History6.htm">History of Ghostscript versions 6.n</a><br>
<a href="History5.htm">History of Ghostscript versions 5.n</a><br>
<a href="History4.htm">History of Ghostscript versions 4.n</a><br>
<a href="History3.htm">History of Ghostscript versions 3.n</a><br>
<a href="History2.htm">History of Ghostscript versions 2.n</a><br>
<a href="History1.htm">History of Ghostscript versions 1.n</a>
</blockquote>
<p>For other information, see the <a href="Readme.htm">Ghostscript
overview</a>.
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<h2><a name="Version9.22"></a>Version 9.22 (2017-09-28)</h2>
<p>This is the sixteeth full release in the stable 9.x series.
<p> Highlights in this release include:
<ul>
<li>
<p>Ghostscript can now consume and produce (via the pdfwrite device) PDF 2.0
compliant files.
</li>
<li>
<p>The main focus of this release has been security and code cleanliness. Hence
many AddressSanitizer, Valgrind and Coverity issues have been addressed.
</li>
<li>
<p>The usual round of bug fixes, compatibility changes, and incremental improvements.
</li>
</ul>
<p>For a list of open issues, or to report problems,
please visit <a href="http://bugs.ghostscript.com/">bugs.ghostscript.com</a>.
<h3><a name="9.22_Incompatible_changes"></a>Incompatible changes</h3>
<ul>
<li>
<p>
The planned device API tidy (still!) did not happen for this release, due to time pressures,
but we still intend to undertake the following:
We plan to somewhat tidy up the device API. We intend to remove deprecated device
procs (methods/function pointers) and change the device API so every device proc
takes a graphics state parameter (rather than the current scheme where only a
very few procs take an imager state parameter). This should serve as notice to
anyone maintaining a Ghostscript device outside the canonical source tree that
you may (probably will) need to update your device(s) when these changes happen.
Devices using only the non-deprecated procs should be trivial to update.
</li>
</ul>
<h3><a name="9.22_changelog"></a>Changelog</h3>
<p>See the <a href="History9.htm">history file</a> for complete log
of changes.
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<p>
<small>Copyright © 2005-2017 Artifex Software, Inc.
All rights reserved.</small>
<p>
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied, modified
or distributed except as expressly authorized under the terms of that
license. Refer to licensing information at http://www.artifex.com/
or contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134,
San Rafael, CA 94903, U.S.A., +1(415)492-9861, for further information.
<p>
<small>Ghostscript version 9.22, 28 September 2017
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