Developer credits
Git commits in Moodle 3.8.9 by Huong Nguyen
commit f799c3042cbebab93d11d02d5075723110b2e8f5 Author: Huong Nguyen <huongn@moodle.com> Date: Thu, 22 Apr 2021 12:01:09 +0800 Tag: v3.8.9 MDL-70720 Quiz: Improve capability checks when fetching users' best grades