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