The new version of callas pdfToolbox that was released on June 25 2014 includes the following features:

• Fixups
  • Remap characters from Unicode Private Use Area: Map Unicode from PUA to another valid Unicode [FP21906]
  • Remove all tagging information: Removes all tagging structure [CA1022859]
• Checks
  • Number of effectively non-empty plates: Checks for number of plates based on an offscreen rendered PDF per page [FP24249]
• Enhanced Fixups
  • Font to outline: “Apply to” added to control, which fonts are outlined [FP24277; FP24750]
• Enhanced Checks
  • Effective ink coverage: Optional possibility added to render whole page to determine the complete amount of ink coverage [FP25022]
• Desktop
  • Visualizer: Added option to set simulation profile and improved handling if an OutputIntent exists [FP24842]
  • Profile editor: Several predefined filters in search field for checks and fixups
• CLI
  • Timeout parameter to abort processing after a defined time frame
  • Server, Dispatcher or Satellite can be used as service on Windows [CA1018775; CA1019172]
  • New function –splitmergepdf to create a result PDF from split pages in one run [FP23621]
  • New function –listfonts to list all available fonts for “Set TextFont” in Imposition
• Distributed processing
  • Optional failover for Dispatcher in Client-mode
  • Possibility for typification for Satellites
  • Timeout parameter to abort processing after a defined time frame for distributed processes [FP24945]
  • Local processing (as a fall-back) can be disabled
  • Optimization for connecting process between Dispatcher and Satellite

For a complete list of all features, bug fixes and changes, go to http://www.callassoftware.com/callas/doku.php/en:products:pdftoolbox:history.