*Mobile* devices like smartpone and tablet support, with mobile
device detection and special mobile CSS as addition to screen CSS, so
that you can easily adapt your existing apps to mobile simply by
overriding the existing CSS.
*HTML5* support: Aida switches now to HTML5 by default and HTML5
specific features will be gradually added, WebSocket is there
already, local storage and offline support comes next.
*WebSocket* support for bidirectional communication between server
and browser, as a replacement for Comet. WebSocket channel is now
automatically open on the session with WebSocket capable browser.
*JSON* messaging introduced to be gradually used as only message
format in unified (Ajax or WebSocket) communication between server
*Widget forms" introduced, hierarchy of forms follow the hierarchy of
standalone widgets, each widget can Ajax submit its own form together
with subforms in subwidgets.
*registering root domain objects* is now simplified: