2003-2005

started with few addon to the prototype, you know the basic toolset that you code for yourself to reuse it over projects etc.

2005-2006

as open source project hosted on buRRRn many port to different ECMAScript hosts a lot of addon methods influenced by the .NET framework

Milk used to compact it and generate slighty different lib for different ECMA-262 hosts

2007

hosting on GC

full refactor (see Roadmap)

influenced by Python ;)