
ZSpheres 2 and ZSketch

Surface noise

Brush noise

Improved LazyMouse with Backtrack and Snap to Track modes

New brushes such as Trim, Planar, Noise, Move, Spherical, Slide, Form, Flakes, Crumple and more

New Brush Depth Masking to give complete brush control on a surface

New MatCap materials for ZSpheres 2/ZSketch mode

Gradient PolyPaint

Each Subtool can now have it's own Texture, Displacement, and Normal Map

Enhanced displacement and normal map options such as native export of 32-bit displacement maps, High-Definition Displacement, Normal, and Texture maps from HD geometry

Improved perspective with a floor grid

Reorganization of the Tool sub-palettes to coordinate with selected SubTools

Ability to merge all visible SubTools and optionally weld the seams

New PUVTiles mapping method, which represents the most efficient use of UV space yet

PolyPainting accuracy has increased from 8 to 16 bit

Mesh masking has increased from 8 to 16 bit

New Gradient polypainting option to give a dynamic transition between colors

New navigation to work with the virtually unlimited zooming

Right-Click Navigation

New sliders added to Project All, providing more control over your results

Memory management enhancements give the capability to subdivide your models to higher polygon counts

New ambient occlusion masking, which can create an AO texture for use in other applications

Improved export/import options with the capability to import and export Maya .ma file format with automatic setup of shading network for Texture, Displacement and Normal mapping (This feature is a part of the GoZ system. The full GoZ implementation will be included in the next update )

Fast local access to ZBrush files with the new LightBox browser (the full version of LightBox will be included in ZBrush 4)

...and many more enhancements and optimizations throughout ZBrush.