Developer credits
Git commits in Moodle 3.7.4 by Kiet.Chan
commit 7473f63a3deb7a168f16c119f3211b906b765acd Author: Kiet.Chan <kietlyc2@gmail.com> Date: Wed, 11 Dec 2019 14:56:13 +0800 Tag: v3.7.4 MDL-67417 theme_boost: Tooltip icon stop working after closing using ESC