Store the content of an Easy Digital Downloads licensed download in a shortcode to use anywhere on your WordPress website.

edd-software-licensing-changelog-shortcode.php

<?php //* Mind this opening PHP tag

/**
 *	This snippet creates a shortcode that renders the content of a
 *	licensed download/product's change log in Easy Digital Downloads.
 * 
 *	Example: [edd_changelog download_id="0000"] (replace 0000 with the ID of a download post)
 *
 *	@author Ren Ventura <EngageWP.com>
 *	@link https://www.engagewp.com/include-easy-digital-downloads-software-licensing-change-logs-posts/
 */

// Change Log Content
add_shortcode( 'edd_changelog', 'edd_changelog_callback' );
function edd_changelog_callback( $atts ) {

	// Available attributes
	$shortcode_atts = array(
		'download_id' => 0,
	);

	$shortcode_atts = shortcode_atts( $shortcode_atts, $atts );

	// Extract each att to a variable
	extract( $shortcode_atts );

	// Return the changelog data
	return get_post_meta( $download_id, '_edd_sl_changelog', true );
}