The current documentation is related to alpha version and can be changed while the release of a stable version.
UI-library is a new solution in developing multilevel components nesting, a new approach in building complex interfaces.
Components
Here you can find all the information concerning available components: from their initialization to actions you can perform on them.
How to....
How-tos which help you to work with components: create an event handler, redefine components and many other things.
API reference
A full list of the available parameters, events, methods divided by components in wiki or CHM format.