Developer credits
Git commits in Moodle 3.5.3 by Dmitrii Metelkin
commit f9f8a9575e757649878d8dca7346dcc142c0c9ef Author: Dmitrii Metelkin <dmitriim@catalyst-au.net> Date: Wed, 03 Oct 2018 08:13:02 +0800 Tag: v3.5.3 MDL-51969 mod_lti: Fixed missing tool proxy GUID