If the margins of one side are equal to the default value, it will become 0 after import

Add an option for users to be able to export embedded images as Content IDs.
CID images work by attaching the image to the email sent and then using standard HTML image tags that reference that image to eventually embed it in the email when the user opens it.

Editing after selecting the end of the line removes the line break. In Word, the line break (paragraph) is preserved. 

Exporting field with code ending with curly bracket trims it.

Auto text color in a cell in the table does not show the correct coloring. For example, when the background of the cell is changed to black or another dark color the text forecolor should be automatically adjusted. 

Highlighted text's color is set to gray when saving and reopening the file.

RtfFormatProvider: Importing an RTF document that does not have a valid styles table causes NullReferenceException.

Add a color palette that contains the highlight colors from the Office Open XML specification (see attached). Currently, we provide an extended palette that contains colors that are not supported in the DOCX format. 

The selected text cannot be deleted after scrolling to another page.

The AnnotationRange is lost during the export of a DocumentFragment created from the current selection.

Add support for non-breaking hyphen.

Annotation markers can be left after deleting when annotation start and annotation end are in different selection ranges. 

The ListId is not removed when it is set inside another style. 

Incorrect list item sequence when adding new items to existing list. 

Add support for TextAlignment of lists similar to Word. In Word, the entire list can aligned to the center or right. 

 Invalid result when inserting row to a table with a merged cells.

Shift + Left arrow navigation selects the entire word instead of the previous letter when inside a table. 

Nested tables with empty cells are not correctly imported. 

Undo of action with lists in not recovering the original state of the document.

The border of the ContentControl is displayed abnormally when the paragraph's TextAlignment is set to Center or Right.