TiledRowsLayout, TiledColumnsLayout: added separate horizontalGap and verticalGap properties (closes #292)
layouts: added padding property to set paddingTop, paddingRight, paddingBottom, and paddingLeft to the same value.
components: added padding property to set paddingTop, paddingRight, paddingBottom, and paddingLeft to the same value.
PickerList: prompt when no item is selected (closes #251)
IVariableVirtualLayout: added addToVariableVirtualCacheAtIndex() and removeFromVariableVirtualCacheAtIndex() for more control over the cache of virtual items.
ListDataViewPort, GroupedListDataViewPort: uses new variable virtual caching functions for better layouts after items are adedd or removed.
some prerelease stuff in the release notes.
AnchorLayout: can handle unsorted anchor references. some docs.
layouts: links to wiki. docs tweaks.
Scroller: if scroll position is clamped, view port is updated (closes #318). better organized scroll step calculation.
ILayoutData: missing description
Scroller: throwing won't overshoot the maximum scroll position if the view port content dimensions get smaller before the throw is older (such as with virtual layouts).