When you set the Content and the Image properties of the RadGalleryItem, they get on top of each other.
There is a flickering when the active ContextualGroup is changed - the RibbonView first selects the non-contextual main tab before it switches to the according contextual tab. The flickering can't be observed every time.
There are three errors for missing icons when implicit themes are used: Resource '/Telerik.Windows.Controls.RibbonView;component/HelpIcon.png' was not found. Resource '/Telerik.Windows.Controls.RibbonView;component/RibbonGalleryCollapsedIcon.png' was not f
Available in LIB version: 2015.1.0604
When a view doesn't specify DesignHeight/Width, the RibbonView throws design-time exception if it contains ContextualGroups.
Expose a property to control the visibility of the background behind the RibbonTab.Headers UPDATE: The RadRibbonView's Background property can be used to set a color behind the RadRibbonTabs
Implicit style doesn't apply on RadRibbonTabs which are added via PRISM. UPDATE: An implicit style can not be applied on derived controls as their TargetType is different than the one defined in the implicit style. Basically if you set the style implicitly, the style is applied only on the types that match the TargetType exactly and not on elements derived from the TargetType value. You can find more information on the topic in the remarks section of the Style property definition: http://msdn.microsoft.com/en-us/library/system.windows.style%28VS.95%29.aspx This is why in order to apply a Telerik predefined style on a UserControl deriving from RadRibbonTab, you need to add a Style targeting the UserControl type in the Resources of the application. It is best to define that style after merging the Telerik ResourseDictionaries so that you can base the UserControl Style on the predefined "RadRibbonTabStyle".
Expose an IsActiveChanged event for the ContextualGroups Will be available in Q1 2015 Release.
When a style is applied on the QAT, changing its position opens its popup menu unexpectedly. The style doesn't have to be customized, the issue is reproducable with the default OfficeBlack style of the control.
Currently the Backstage support keyboard navigation only if the the RadBackstageItems have their IsSelectable property set to true. The keyboard support should be extended to support BackstageItems that have IsSelectable=false. Will be available in Q2 2015 Release.
RibbonGroup containes many TextBoxes with TabIndices set. HyperLink with TextBlock inside is between the TextBoxes. TextBlock Text is "" or x:Null. Tabbing is possible only between the TextBoxes on the left of the Hyperlink.
Change the ApplicationButton ControlTemplate so that the button Width can be easily customized. UPDATE: RibbonView ApplicationButtonStyle property can be used to apply a style on the ApplicationButton. Use the style to apply a Width on the button.
At the moment the root element of the Backstage control is a ScrollViewer and since its size is measured with infinity the controls placed inside the BackstageItems Content will be measured with infinity thus not displaying internal scroll bars. Consider changing this behavior. The feature will be available in our official release 2015 Q1
VS Designer trows exceptions if a RibbonTab is placed in a UserControl: If the RibbonTab control size isn't defined, the designer throws a System.InvalidOperationException - FrameworkElement_LayoutMeasure_InfinityNaNReturned. If the RibbonTab size is set, then clicking on the tab in the designer raises a System.ArgumentException - Property 'Items' was not found in the property collection 'Grid'.
Currently only the Left Key activates the key tips.
The RibbonTabStrip does not collapse when Application Button is Collaps as well as the RibbonTabs. This works in RibbonBar. Available in LIB version: 2014.3.1402
When you click on a control in the DropDownContent of a RibbonSplitButton, a click is registered in the underlying control (behind the DropDownContent).
Add DataBinding Supoort for Contextual Groups / Tabs