From Version 0.2 Overview:
This product, e20 Lite, is intended to give you a brief overview of the lead designer’s starting vision of the game mechanics that will be found in the final version of the e20 Core Rulebook. In addition to building directly on Open Game Content from sources such as Unearthed Arcana (DUNGEONS & DRAGONS®), Pathfinder, and Mutants & Masterminds, it draws inspiration from the innovations found in other games such as STAR WARS® ROLEPLAYING GAME Saga Edition, DUNGEONS & DRAGONS 4th edition, Savage Worlds, and many other games.
Above all else, e20 Lite is very much a work in progress. This prod-uct contains the current game mechanics and concepts that are pre-ferred by the lead designer, but patron input can and will result in sub-stantial changes from this starting point. This product is a living docu-ment that serves as a beta test for exploring new game mechanics; as such, it is given a distinct version number (starting at version 0.1) to represent major revisions as the process moves forward. By the time e20 Lite reaches version 1.0, it will provide a solid set of “quick start rules” that provide new players with a quick introduction to the e20 System.