Workaround:

private static void WorkaroundFieldsIssue(RadFlowDocument flowdocument)
{
    foreach (FieldCharacter fieldCharacter in flowdocument.EnumerateChildrenOfType<FieldCharacter>().ToList())
    {
        // only for start
        if (fieldCharacter.FieldCharacterType == FieldCharacterType.Start)
        {
            if (fieldCharacter.FieldInfo.Separator != null && fieldCharacter.FieldInfo.Separator.Parent == null)
            {
                Paragraph parent = fieldCharacter.FieldInfo.End.Paragraph;
                int index = parent.Inlines.IndexOf(fieldCharacter.FieldInfo.End);

                fieldCharacter.FieldInfo.End.Paragraph.Inlines.Insert(index, fieldCharacter.FieldInfo.Separator);
            }
        }
    }
}
This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190083 
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In case table cell doesn't have background directly applied it should inherit the background of its parent table.
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Content in cells should be centered vertically and cells should have cell spacing and margins to make them look similarly to browsers.
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http://feedback.telerik.com/Project/184/Feedback/Details/190033 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190043 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190034 
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When defaultThemeVersion is missing from the file, some styles are not shown when the document is opened in MS Excel.
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http://feedback.telerik.com/Project/184/Feedback/Details/190098 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190100 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190081 
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Currently, there is no way to set or get this underline type.
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190116 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190094 
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The AltChunk element is responsible for embedding external content into documents.
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Add API to get the list of ranges to which a defined name refers.

Example:
List<CellRange> ranges = workbook.Names["definedName"].Ranges;
CellSelection selection = worksheet.Cells[ranges];
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Introduce control similar to TextBox which offers integrated spell-checking (similar to the one provided in RadRichTextBox).

Available in LIB version 2017.1.213 , it will be also available in the R1 2017 SP1 Release.

It would be very helpful if you can plan to create kind of a "drawing tool" to design specific views for flows, state models, workflows, etc.

Available in the 2016 R3 release

The problem is happening with Rad Docking in X1 Yoga Thinkpad laptop. The problem is so that when launching the pane in Raddocking then the pane opens up outside the window. This is happening even if the window is not near to the border of the screen. Video and the same project attached.