Why is my in-app message blank?

Mixpanel’s in-app messages cannot support formatted text. If you paste formatted text into the message builder, the preview will render perfectly.

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However, when the message opens in the app it will appear to be blank.

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The simplest way to avoid this issue is to type your message directly into the input field. If you simply must use the paste function, we advise copying the text from a plain text editor.