http://area.autodesk.com/blogs/marks/good_grief_has_it_been_a_year_already_softimage_2012_5_is_here 
Selection
Quick Loop – double-click or shift+double-click on an edge, point, or polygon to define a loop or range.
Double-click on a polygon to select the polygon island
Polygon Selection to Outline - converts the selection to edges surrounding the polygons
Loops from Selection – creates loops (not rings) from existing selection
Loop from Selection (around corners) - this can be used to easily select Border Edges for example
Grow Loops
Shrink Loops
Island from Selection – selects all the components in the island
Selection Preferences now exposed in the MCP>Selection menu
Modeling
Apply Thickness
With bevel options
Cap Hole
Extrude Along Normal
Add Smooth Edge Loop Tool (uses the tool SDK)
This interactive tool adds edges while continuing the contoured shape of the object
Move edges while adding
Use MMB for 50% insertion
Spin Edges
Apply Slice Between Two Vertices
Navigation
Zoom on cursor (Prefs>Tools>Camera)
For all 3D and 2D views
Includes Scroll Wheel preference
ICE
Bullet Physics
New “Simulate Bullet Rigid Bodies” node (now the default in the ICE module)
Same options as Simulate Rigid Bodies Node with added option to collide using exact shape of obstacle.
Support for “cone” native shape
Instance Shape node now support Convex Hull (Bullet only)
Rigid Bodies
Supports sub-frame sampling (PhysX and Bullet)
Faster simulation when using constant reference shapes
PPG logic
RMB>Compound Properties>PPG Logic
OnInit and value changes can be trapped inside compounds with PPG logic script
Only available for non-private compounds
Add Group section
Inside compound - RMB on exposed input port name>properties. You can specify a group name instead of adding in XML file
Compounds
Create Extrusion Along Strands.2.0
Deform Strand Extrsuion (together these can make for fast simulated hairs)
Cap Hole
Apply Thickness
Apply Slice Between Two Vertices
Model Meshes
Human male, car, T. rex, bull, fish, lizard, horse
These come we predefined UVs
ICE Modeling Sample Scenes
Modeling Building Grids
Modeling Cylinder
Modeling Materials
Modeling Simple Copy Merge
Modeling Texture Projection
Animation
Viewport Autokey Border
When turning on Autokey there is now more visible feedback. The active viewport shows a color – which can be changed in
Prefs>Animation to turn on/off or change color
Ability to include animation layers when creating mixer clips
New option for non-normalized weight painting
Scene Management
Annotation objects
Get>Annotation creates a null like object which shows a speech bubble in the viewport
Get/Set memo cams access in the SDK
Rendering
RTS - Added support for automatic RTS shader updates
Snapping
Prefs>Tools>Snapping - New preference to control display of snap targets
FBX:
Integrated new drop of FBX SDK
Changes:
Selection:
Rectangle raycast respects XRay settings etc.
Raycast backfacing enabled by default (fixed issues with accidentally selecting backfaces on silhouette edges)
ICE:
Default value for GetTopology changed to "No Transform"
Otros videos de SI2012.5 en japonés!
http://area.autodesk.jp/product/softimage/softimage-2012-sap.html
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