The lack of support for this means that if I copy text from another app, I must first paste it elsewhere (e.g., into a TextEdit window that has been switched to plain text), and then copy again to get rid of the source style.
Hello
Thank you for writing in. I have raised your request to our Development team but we cannot assure a time frame when it will be put into effect. Please feel free to contact us again if you need any assistance and we will be happy to provide further help.
Kind Regards,
MarginNote-Sushi
Support Team