For now, the static methods of ExtensibilityManager class are the only option to extend all RadPdfViewer instances.

This item is declined because it is wrongly logged and the issue is duplicated with another feedback item. You may follow instead these feedback item which also provides a sample attached project for repairing such invalid files:

https://feedback.telerik.com/Project/143/Feedback/Details/170586-pdfviewer-handle-documents-containing-invalid-cross-reference-table-start-index

The fix will be available in our latest LIB release (v. 2015.1.0323).

The colors are different everytime the file is opened in the viewer.

Available in R1 2017 Release

The character mapping cannot find the character with name "checkbld" and the glyph is not visualized.

The reusable Form XObject content always resets its GraphicState color property. Instead, it should take the current GraphicState color from the content stream. This may result in wrong colors.

The issue occurs only in Silverlight and only when the glyph is filled with tiling pattern brush.

Fix available in LIB Version 2017.2.808.

Some documents containing embedded jpeg images with DCTDecode filter are not decoded correctly in RadPdfViewer for Silverlight

The form fields are not displayed when loading specific pdf files.