Simplex3D Core API - version 1.1 has been released.

[Lex]

Simplex3D Math 1.1.
Simplex3D Vector Math DSL resembles GLSL and has the same set of
functions. This release feature performance enahncements form
component-wise rotations, fixes bugs with NaN and NegativeZero
handling, and adds some documentation. Additionally the overall layout
of the library has been improved.
Read more: http://code.google.com/p/simplex3d/wiki/VectorMathDSL

Simplex3D Data 1.1.
Simplex3D Data Manipulation API is designed to simplify access to raw
numerical data that defines geometry and textures. This is the first
official release of Simplex3D Data. The version was chose to match the
math package.
Read more: http://code.google.com/p/simplex3d/wiki/DataManipulationAPI

Tutorials can be found on the project site: http://www.simplex3d.org/