The patch as well as a read-me file can be found at Discreet's website.

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The patch adresses the following bugs:
ActiveShade -  ActiveShade now correctly represents anisotropic highlights, ActiveShade updates bump map changes correctly.

Editable Poly and PolyMesh Object - Chamfer Edge on models with Mapping has been stabilized, Vertex Transforms are correctly constrained to the working axes in Local Coordinates, Detached Objects are correctly Triangulated at Render.

UVWUnwrap - Patch Objects with UVWUnwrap, saved in previous versions of 3ds max, now load with properly mapped Quad Patches, Cloning Objects with the UVWUnwrap modifier has been stabilized

Skin Modifier - Quad Menu "Add Bones" Pick from view mode fully supported.

Particle Systems - Escape, to terminate calculation, is now fully supported