Optimizations and feature adjustments for ZBrush OSX 3.12b
Displacement Mapping Enhancements

Faster and more accurate maps generation

DPSubPix and Adaptive may be used together for higher quality maps.

Seam prevention enhancements

Added export controls for 16 and 32 bits maps in Displacement Map subpalette.

Added scale factor for 32 bits maps in Displacement Map subpalette.

Mid value is used when generating maps. Also allows for positive-only or negative-only maps to be created.
Normal Mapping Enhancements

Faster and more accurate maps generation

Seam prevention enhancements

Added Flip Controls. Flip V,Flip R,Flip G,Flip B and switch RG to Normal Map subpalette
Document Enhancements

Win Size feature matches canvas size to available screen space

Resize does not cause rendering artifacts
Tablet Enhancements

Several new ways to use pen pressure added to the Brush palette
UV Mapping Enhancements

Improved PUVTiles
Texture Enhancements

Import of JPG file format.
Interface Enhancements

Recorded macros are automatically placed in the Macros sub-palette

Hot-key setting has been addressed

Floor Grid opacity setting has been added to the Draw palette

Added Preferences option to turn off edit brush alignment to the surface normal
Sculpting Enhancements

Zsub respects backface masking, if active

Wrap Mode is available

Advanced Geometry features (such as Edge Loop) are available regardless of number of SubTools

TransPose action line does not lock if all three circles are at the same position

Extract produces clean edges

Extract thickness can now be given a negative value to extract inward instead of outward from the surface

Project All enhanced with a blur/smooth control feature

Brush intensities have been equalized when LazyMouse is on or off

Intensity control added to the masking-by-ambient-occlusion function.
ZSpheres and Rigging Enhancements

Skinning has been enhanced to more closely match the size of the ZSpheres -- especially with xyz resolution set to 1

Rendering artifacts have been addressed

Posing the rigged mesh has been enhanced to also use ZSphere twisting/rotating
General Enhancements

Various code optimizations and update of existing functions.