Opening the Backstage on RibbonView's Loaded event workarounds the issue.

Available in LIB version: 2016.3.919

Reproduces with Q2 2015 binaries.


Available in R2 2017 SP

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.

The RibbonWindow buttons are not displayed when ShowInTaskbar is set to false and is minimized state.

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

Available in LIB version: 2016.1.21

 A black bar appears around the content of the window when in Maximized states and the project is compiled for .Net4.0.

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

Will be available in Q1 2015 SP.

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

Available in LIB version: 2015.1.2303

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

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

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

Will be available in Q3 2015 Release

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

Currently, when the users hover around the window's border, the resizing border is 1 pixel wide. Create the border wider (higher at top and bottom borders).
 
Workaround: Apply right margin to the content inside the window.

Null reference exception is thrown when we set KeyTip on a Collapsed RibbonGroup 

Available in LIB version: 2014.3.1409

Available in LIB version: 2015.1.2303