Edited Style of the ScreenTip does not apply when the ScreenTip is set as attached property. Also, when you create a CustomControl deriving from the ScreenTip control, its default style is not applied.
The ScreenTip isn't displayed unless you define its Title property
The screentip should allow binding to text, image
Add ScreenTip for the Application Button UPDATE: RibbonView ApplicationButtonStyle property can be used to apply a style on the ApplicationButton. Use the style to apply a ScreenTip on the button.
Open the Application menu. Open one of its submenus. Hover another button. The opened submenu will not close. Available in LIB version: 2016.3.1017
Cannot define an event handler for the RibbonButton.HoverEvent in code-behind Available in LIB version: 2014.3.1222
It is impossible to prevent the application menu from closing. Note: The ApplicationMenuOpenStateChanged event of the RadRibbonView could be used to prevent closing of Application menu. This approach is demonstrated in the attached project.
RibbonWindow throws a TypeInitializationException when used with VSTO Addin
Cite: The problem is displaying ScreenTip for Application Button. Move the mouse on Application Icon, no tooltip shows. Click it to show the list of menus and go to the first item. The ToolTip shows up under the menu. Available in LIB version: 2014.3.1312
Allow changing the entire UpDownButton tooltip.
Allow hiding the tab headers - when a single tab is displayed a tab header is not needed and it can be programmatically hidden in order to save space. UPDATE: HeaderVisibility property can be used to achieve this behavior
Allow the ApplicationMenu to be used as a stand-alone control Available in R1 2017 Release
If a RibbonView is used in a WPF, where the Window SizeToContent property is set to WidthAndHeight, the Window takes too much space.
If the height of the screen is smaller than needed the App_menu is clipped in the bottom. There are 5-10 px wrong in calculation