#Changes
- zIndex property for widgets is now ignored, use CSS
- Y.throttle no longer in core, explicitly include via "yui-throttle"
#Bugs
#Fixed Bugs
- Y.Event.define used to allow passing type as part of config, now it doesn't
- DataSource.sendRequest without any arguments broken
- DataSchemaJSON parsing a result that is not an array is broken
- Custom modules loaded conditionally on modules that are now aliases (like "datatable") will not be loaded