Developer credits
Git commits in Moodle 3.11.x by Tim Schroeder
commit 647c5ac8cd2ed21b0ba7a364709b2bb41a278695 Author: Tim Schroeder <t.schroeder@itc.rwth-aachen.de> Date: Tue, 03 Nov 2020 18:53:32 +0800 Tag: v3.11.0-beta MDL-70110 assign: fixed ws get_submissions for groups