Developer credits
Git commits in Moodle 3.9.3 by Dan Marsden
commit 4727970abd79bbaafb1de35dce1b617f3270a2de Author: Dan Marsden <dan@danmarsden.com> Date: Fri, 03 Jul 2020 07:23:17 +0800 Tag: v3.9.3 MDL-69641 grade: fix slow query.
commit 4727970abd79bbaafb1de35dce1b617f3270a2de Author: Dan Marsden <dan@danmarsden.com> Date: Fri, 03 Jul 2020 07:23:17 +0800 Tag: v3.9.3 MDL-69641 grade: fix slow query.