Available in LIB version: 2016.1.21

Application title disappears when you change the current theme to Expression_Dark or Windows8.

As a workaround: You can set the RadRibbonWindow.IsWindowsThemeEnabled static property to False in order to apply the Telerik predefined themes instead of using the Windows OS theme. 

Available in LIB version: 2016.1.21

Available in LIB version: 2016.1.21

Black bar apears on Windows10 machine when in Maximized state and the RadRibbonView has set Visibility="Collapsed".

Available in LIB version: 2016.1.21

Items in RadCollapsible are not rendered correctly on Windows7 with DPI 150% and UseLayoutRounding set to true and ItemSpacing is set to more than 0.

Available in LIB version: 2015.3.1215

Extend the focus navigation in the control to match the MS Office navigation

Will be available in Q3 2015 Release

If a contextual tab is collapsed when the contextual group is activated and then its visibility is set to Visible, the tab is not shown (only if you reopen the group).

Available in LIB version: 2015.2.803

RibbonView: А System.InvalidOperationException is thrown when  RadDocumentPane is selected and the ribbon is minimized and its popup is open.

Available in LIB Version: 2015.2.720.

Available in LIB version: 2015.1.2004

If you set those properties they are ignored by the control. You can resize the window beyond the set restrictions.

Available in LIB version: 2015.1.2004

If  OS Taskbar location on the screen is set to a value different than bottom and the RibbonWindow is in maximized state, the taskbar placement is not respected and part of the RibbonWindow could be hidden.

Reproducible on Windows8 and Windows7 OS.

Available in LIB version: 2015.1.2004

A binding error occur in the output on Windows7 without aero.
(System.Windows.Data Information: 10 : Cannot retrieve value using the binding and no valid fallback value exists; using default instead. BindingExpression:Path=IsActive; DataItem=null; target element is 'Button' (Name='PART_MinimizeWindowButton'); target property is 'NoTarget' (type 'Object'))

Available in LIB version: 2015.1.0604

WindowChrome is not updated after dynamic theme change on Windows7(from Aero to NonAero)

Will be available in Q1 2015 SP.

RibbonSplitButton have different width in its dissable state compared to its normal state.

The fix is available in Q1 2015 SP Release.

Available in LIB version: 2015.1.2303

When the Taskbar is auto-hidden, if the RibbonWindow is maximized, the taskbar cannot be displayed.

Available in LIB version: 2015.1.2303

When you have set the Windows task bar to auto-hide and you maximize an RadRibbonWindow, you are not allowed to visualize the task bar on top of the RadRibbonWindow.

Available in LIB version: 2015.1.2303

A recursive call to Automation Peer API is not valid exception is thrown


Available in LIB version: 2014.3.1215

The keyborad focus is travers through the invisible element in the template of the RadRibbonTab ("RightScrollButtonElement ").

Available in LIB version: 2014.3.1222

The selected tab content ScrollBar appears when there are RibbonGroups which size can be changed to smaller size.

Available in LIB version: 2014.3.1409