Beta 1 became available to the masses. Build now includes, sobsno Ext Stand-alone,
lightwave WIZWIG, Ext.Ajax class, DateField, a lot of additional information, well, and a lot of bug fixes were added to the appendage.
Ext Stand-alone
The name speaks for itself; ext-base weighs 34kb packaged. It is smaller than YUI with an adapter (58kb), Prototype / Scriptaculous + adapter (71kb) or jQuery + plugins + adapter (62kb - minizirovano, not compressed).