PostScript 3 DeviceN support
DeviceN is already supported in the shipping version (PrintPreview 1.1). The upcoming version (PrintPreview 2.0) supports DeviceN for images as well.
More TrueType/Type 42 font compatibility
Printing from Acrobat 5 is now supported, incl. incremental TrueType fonts.
More Type 0 font compatibility
Printing from Acrobat 5 is now supported, incl. special Type 0 fonts.
More PostScript Level 2/PostScript 3 support
Additional PostScript compatibility with Adobe PostScript.
Faster rendering
The memory garbage collector has been enhanced in order to improve significant speed-ups for complex PostScript jobs.
Faster CIE/Lab rendering
Printing PostScript CIELab/CIExyz images has been accelerated significantly. The color accuracy of these images have been improved as well.
PostScript 3 shading support
PostScript 3 shadings will be displayed accurately in PrintPreview bitmap image files (see sample below).
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See changes from HELIOS 4th generation to UB