Hello,
Thank you for submitting this feature request. We will be monitoring it closely.
Meanwhile, if you (or any other who is interested in this feature) find a third party tool allowing to read the xml data of an uploaded file, you can set the collected content to the Editor following the approach from this demo:
https://www.telerik.com/kendo-react-ui/components/editor/content/
Regards,
Vessy
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