New:
 EXR import and export

Improvements:
 SVG import and export: massive improvements
 Layer mask, clipping layers, adjustment layer masks: Complete rebuild of combined masks is now delayed (better interactivity). Until rebuild only visible parts are rendered.
 PDF import and export: support of linear and circular blends
 PDF export: support of transparency (PDF 1.4)
 PDF export: perspectively distorted text and vector layers are now saved as vector graphics
 OpenType, Mac OS: support of OpenType features
 Rotate Document: in picture mode all image layers will be rotated physically
 Rotate Document: "Crop" is always enabled
 "Assign Color Profile" and "Convert With Color Profile": Now with the option "Linear Brightness (Gamma 1.0) " (if possible with the active color profile)
 32 bit images: better support
 Gradient tool: the last applied gradient is stored with the layer
 Color Filter: now with checkbox in the Attributes palette
 Icon bars, modal dialogs, Windows: can now be used (important for zooming)
 Layer tool, rotating: layers are now always rotated using the coordinate system of their group (useful in perspectively distorted groups)
 Lasso tool settings: nor with icon bar for adding and subtracting
 Measurement tool: now with unit and dpis
 Bit depth of documents: can be recorded as action
 Browse: faster saving of browse file
 Middle mouse button, Windows: middle mouse buttons is activating the moving hand
 Text settings: if there are different attributes inside the selection, the UI will show them as tri state
 Chromatic aberration, adjustment layers: the Chromatic Aberration can now be used as adjustment layer
 Convert Layer to Lasso, Convert Lasso to Layer: new 2 separate menu entries
 Save Layer: saves now all active layers
 Color list: can now save all selected colors
 Text fields: Command+/Ctrl+click and drag changes value
 Text fields: mouse wheel changes values (Shift and Ctrl/Command modifies step size)
 Color range control, Hue/Saturation and Color Filter: adjusts mouse cursor to location
 PNG export: smaller files by clearing transparent areas
 Curve Creation: Shift forces line creation
 Curve Creation: additional context sensitive mouse cursors
 Web Export: clicking in document windows sets position of the preview
 Attributes palette: visible part of list is no longer changed after rebuild
 Stamp tools: now with tablet support
 Setup Guides: turns on "Show Guides"
 Color Editor, Mac OS: now with color picker
 Save Page (s): now with single page mode
 Screen output, images: faster
 Plugin support: improved
 Harmony: The color dialog "Harmony" (accessible via context menu of color fields) can be scaled now
 Tool Bar: better support for more than 2 columns
 Curves: now with HSV