Allow the QAT context menu to be extended
Add support for direct content of ribbon buttons (like using XAML vector graphics instead of images).
Any group or button can be right clicked and added to the Quick Access Toolbar (QAT).
Expose property controlling the RibbonGroups Header Background
Posibility to use the QAT buttons when the BackStage is open
Expose an event where the key combinations that (don't)show the KeyTips can be customized.
Make Buttons' Image properties of Object type.
Expose properties to control the BackstageItem.Icon size
Add a property to show/hide RibbonWindow Close/Minimize/Restore buttons panel
Allow ApplicationMenu to be editable in Blend. Make sure when clickon the application button the app menu is displayed in blend. Also add panels for the content and footer content for easier content adding.
ApplicationMenu do not have keyboard navigation - pressing arrows do not navigate thru the application menu items.
Allow RibbonWindow Minimize/Maximize/Close buttns to work in in-browser scenarios
Expose properties to control the HorizontalAlignment and VerticalAlignment of the footer content