learndash_hub_upgrade_dismissed_ajax learndash_hub_upgrade_dismissed_ajax() AJAX function to handle hub upgrade notice dismiss action from browser. ContentsDescription Return Source Changelog Related Namespace @package Description # Return # (void) Source # File: includes/ld-license.php Changelog # Changelog Version Description 4.3.1 Introduced. Related # Namespace # global @package # LearnDash / License