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Backward Compatibility

This article lists the breaking changes and how they can be fixed when upgrading from a specific version of the controls to the next one.

What's Different in 2020 R3

What's Different in 2019 R3


Telerik.Windows.Documents.Fixed.Model.Navigation.BookmarkItemStyle class is renamed to Telerik.Windows.Documents.Fixed.Model.Navigation.BookmarkItemStyles.

What's Different in 2016 R3 - 2016.3.0914


Telerik.Windows.Documents.UI.FixedDocumentPresenterBase.VisiblePages is not abstract anymore.

What to do now

Ensure you are setting this property through the FixedDocumentPresenterBase class every time the visible pages in the presenter are changed so that the content is updated accordingly.

What's Different in 2014 Q1 - 2014.1.0226


Telerik.Windows.Documents.Fixed.UI.MouseHandlers.MouseHandlersController is renamed to Telerik.Windows.Documents.Fixed.UI.PointerHandlers.PointerHandlersController

What to do now

Use the new Telerik.Windows.Documents.Fixed.UI.PointerHandlers.PointerHandlersController.


Telerik.Windows.Documents.Fixed.FormatProviders.FormatProviderSettings.ReadAllAtOnce is obsoleted.

What to do now

Use Telerik.Windows.Documents.Fixed.FormatProviders.FormatProviderSettings.ReadOnDemand mode.

What's Different in 2013 Q3 - 2013.3.1016

There are no breaking changes in this version of the control.

What's Different in 2013 Q2 - 2013.2.611

There are no breaking changes in this version of the control.

What's Different in 2013 Q1 - 2013.1.0220

There are some breaking changes concerning the references you have to add to your project. A reference to Telerik.Windows.Documents.Core is now required. More information on the assembly references can be found here.

What's Different in 2012 Q1 - 2012.1.0215

In 2012 Q1 the Navigation Panel of RadPdfViewer is excluded from the template of the control. This is done because the PdfViewer now exposes commands which can be bound to using Different UI. In order to achieve the old look, you can declare a RadToolBar as described in the article Wiring UI.

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