Grid Removed the Grid<T>(T item) overload to avoid type inference problems Filtering works for more than two columns simultaneously Empty grid cells are now displayed Fixed problem with pager being improperly updated when bound to empty data The filtering menu detects the bounds of the grid and opens in the opposite direction if there is no room Optimizations in JavaScript file size and performance Common Windows 7 theme Updates in the look and feel of themes – using softer gradients Shared web asset groups are enabled by default now Items with content set were not rendered expanded if they are selected Improved highlightpath functionality Load on demand items will be automatically populated on initial render (panelbar, tabstrip) Hierarchical binding support (panelbar, menu) Highlightpath and selection implemented for menu and tabstrip Introduced LinkHtmlAttributes for setting the html attributes of the link rendered by navigation items (panelbar, tabstrip, menu) Added support for route values for LoadContentFrom (tabstrip, panelbar) Expanding panel items were not expandable in IE7 when the url contains # TabStrips can be nested now