Ghostscript 9.10 是一个维护版本，也增加了一些新特性，值得关注的改进有：
Background printing (BGPrint) is a new feature allowing an accumulated page clist to be rendered by one or more rendering threads whilst the interpreter (in the "main" thread) continues to accumulate the subsequent page's clist. For certain classes of file this can result in a useful performance increase. See: Banding Parameters
GrayDetection allows suitably written devices to detect "color" input in near neutral tones (i.e. near monochrome) and to convert "on-the-fly" to pure grayscale, whilst retaining the ability to print full color on demand. This is primarily aimed at workflows where saving ink (especially color inks) is required. See: Device Parameters
LittleCMS2 and libpng have both been updated to the latest versions.
Support has been added to build the Ghostscript DLL for WinRT for x86, x64 and ARM (Requires MS Visual Studio 2012 Pro).
Processing of Windows command line arguments into UTF8 (as presaged a few releases ago) has been enhanced and enabled by default.
The URW Postscript font set has been updated to the latest version, fixing many compatibility problems with the Adobe fonts.
Plus the usual round of bug fixes, compatibility changes, and incremental improvements.
Ghostscript可以查看及打印PS、EPS、PDF文件，支持PS的绘图程序一般都很大，如：Illustrator、CorelDraw。一般 人不可能为了打开或打印PS文件而去购买那昂贵的绘图软件，也因此Ghostscript就提供了一个不错的选择。Ghostscript虽然不能绘制 PS文件，却可以打开或打印PS、EPS、PDF格式的图形（或字型）文件。最好先安装AFPL Ghostscript 再安装GSView。
官方首页：http://www.ghostscript.com/
免费下载：http://sourceforge.net/projects/ghostscript/files/
来自:开源中国社区
