The Highlight Public Notes plugin helps users visually identify notes intended for public sharing by highlighting their titlebars. It offers two methods for classification: notes stored in a specific folder or those with a designated frontmatter attribute and value, such as classification: public. This ensures users avoid accidentally including sensitive information in notes that may later be published. The plugin allows customization of the folder path or frontmatter settings for flexibility. To activate the highlighting, a note needs to be reloaded after configuration. This feature is especially useful for workflows involving public and private notes, providing a clear visual indicator to separate them.