Developer credits
Git commits in Moodle 3.7.5 by Sam Hemelryk
commit d66d85a4d7e8f748456dc2794720ff5dedc221f3 Author: Sam Hemelryk <sam.hemelryk@totaralearning.com> Date: Tue, 15 Oct 2019 12:28:25 +0800 Tag: v3.7.5 MDL-67175 mod_scorm: sync XHR requests use sendBeacon when available