Developer credits
Git commits in Moodle 3.9.0 by hanna
commit 078705538cfd17e3fbe7ee4feb76c9bf606f53fd Author: hanna <hanna.edelman@weizmann.ac.il> Date: Thu, 05 Dec 2019 00:51:09 +0800 Tag: v3.9.0-beta MDL-67456 admin: Update Maximum number of backups kept