"Here's another of the topics I was going to show in the
screencast: Packages. The test case was getting Apple's Dashboard
Widgets to work out of the box. The rules were that we couldn't
adjust any of the Plasma infrastructure at all .. it has to all
work with Packages and ScriptEngines. This meant changing and
improving a few things in those parts of Plasma but the result
was... well, let's take a look...
"In the Add Widgets dialog the Install New Widgets button is now
a menu, letting you choose between downloading from the Internet
using GetHotNewStuff and DXS (where what you are about to see is
even more automated) or opening a widget from a file..."