Developer credits
Git commits in Moodle 3.8.4 by Marina Glancy
commit d690ed3dd3ad6c511354b6ccf20261200d237ebf Author: Marina Glancy <marina@moodle.com> Date: Tue, 23 Jun 2020 22:02:33 +0800 Tag: v3.8.4 MDL-69109 theme: try to load icons from the current theme
commit 704153c45461cb1d2caa35c0d84258b461d25637 Author: Marina Glancy <marina@moodle.com> Date: Mon, 22 Jun 2020 21:09:15 +0800 Tag: v3.8.4 MDL-69109 core: use different cache keys for FA icon maps
commit aecc9e717092b1a90b3e4fcba6b7b4e7cfaffe69 Author: Marina Glancy <marina@moodle.com> Date: Wed, 04 Mar 2020 02:55:52 +0800 Tag: v3.8.4 MDL-68099 gradereport_grader: prevent exception without groups