RichTextBox: Doesn't display a portion of the text when the FlowMode is set to Flow

IME: Cannot type in RadRichTextBox using Microsoft Pinyin Input Method (Chinese)

The exception is thrown with a message "Item has already been added. Key in dictionary: 'RepeatButtonLineUpTemplate'" and it is caused by a duplicate style definition. 

RichTextBox: HtmlFormatProvider: ListItems styles are changed in RichTextBox when Exported to HTML

Tables are exported with the wrong cell height to HTML.

Initial content in content controls is recognized as a placeholder. This is easily visible in the Date Picker content control and results in the whole text being selected when the user clicks over the date value.

When exporting to HTML of a DOCX file, containing table cells, which span multiple GridColumn wide, their width is incorrectly calculated. This can lead to columns being smaller or larger than their original width and possibly being cut off from the page.

Typing in Korean repeats symbols at the end. This breaks the input and the user is unable to enter the text desired.

Italic font style and bold font weight are not rendered correctly with a specific font. Currently, this is reproducible with the "zurich-ltcn-bt-light" font.

Working with PasteOptionsPopup may cause an exception in LayoutElement.SetParent. Very difficult to reproduce, having no consistent steps. Maybe it is related to undo of paste command, but there are no other clues aside from this.

   bei Telerik.Windows.Documents.Layout.LayoutElement.SetParent(LayoutElement newParent)
   bei Telerik.Windows.Documents.Layout.LayoutBox.EnsureParent()
   bei Telerik.Windows.Documents.Layout.LayoutBox.get_Parent()
   bei Telerik.Windows.Documents.Layout.FormattingSymbolLayoutBox.get_IsEndOfCell()
   bei Telerik.Windows.Documents.Layout.FormattingSymbolLayoutBox.GetFormattingSymbolVisual()
   bei Telerik.Windows.Documents.Layout.FormattingSymbolLayoutBox.get_Text()
   bei Telerik.Windows.Documents.SpanBoxPositionHandler.get_Location()
   bei Telerik.Windows.Documents.UI.DocumentWebLayoutPresenter.GetViewPointFromDocumentPosition(DocumentPosition position)
   bei Telerik.Windows.Controls.RichTextBoxUI.PasteOptionsPopup.CalculateLocation()
   bei Telerik.Windows.Controls.RichTextBoxUI.PasteOptionsPopup.OnOwnerLayoutUpdated(Object sender, EventArgs e)
   bei System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
   bei System.Windows.ContextLayoutManager.UpdateLayout()
   bei System.Windows.UIElement.UpdateLayout()

Converting DOCX with EMF images to HTML and importing the resultant HTML leads to missing images.

Create a shortcut for deleting the entire word before the caret, such  as the Ctrl+Backspace one available in MS Word.

Validation visualization resets to show that contents are valid when a new validation error is added to an already failing state.

Currently, RadRichTextBox supports the import and export of shapes from and to Office Open XML (DOCX). When exporting to PDF, the shapes are converted to images. When exporting to other formats the shapes are lost.

 The layout hangs when importing HTML with nested tables and setting the padding of all cells

The HTML is not properly escaped and the writer throws InvalidOperationException.

Inserting symbols using the windows emoji keyboard (WindowsKey + .) in RadRichTextBox results in two duplicate characters.

In word, the focus is transferred to the Find and Replace dialog immediately after opening it.

In the RichTextBox control the focus is not set to the dialog when open. Selecting a word does properly add it to the dialog.

In this feature, the existing text is overridden as the user types on it with the "Insert" key is pressed on the keyboard.

Workaround: Track the state of the Insert key and delete before inserting content using the KeyDown and CommandExecuting events:

A complex table with merged cells cannot be imported. The table contains rows with no cells because of the merge.