Developer credits
Git commits in Moodle 3.5.7 by Paul Holden
commit 4cf939c6389bedf341af890832fe0a94d0f1704e Author: Paul Holden <pholden@greenhead.ac.uk> Date: Wed, 27 Mar 2019 20:56:16 +0800 Tag: v3.5.7 MDL-64511 privacy: encode data URL when loading content.