Changes in the most recent release of Ghostscript

This document is news about the most recent Ghostscript release. For earlier versions, see the history documents:

History of Ghostscript versions 8.n
History of Ghostscript versions 7.n
History of Ghostscript versions 6.n
History of Ghostscript versions 5.n
History of Ghostscript versions 4.n
History of Ghostscript versions 3.n
History of Ghostscript versions 2.n
History of Ghostscript versions 1.n

For other information, see the Ghostscript overview.


Version 8.57 (2007-05-11)

This is a stable release in the 8.5x series of Ghostscript. In addition to the usual bug fixes, there are specific performance and quality improvements in the areas of patterns, shading and image filtering.

Also new in this release is an implementation of the Well Tempered Screening algorithm in an output device, using Graeme Gill's IMDI library for efficient color mapping.

The following bugs were open at the time of release:

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Incompatible changes

There are no known incompatible changes at this point.


Copyright © 2005-2007 artofcode LLC. All rights reserved.

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.

Ghostscript version 8.57, 11 May 2007