Developer credits
Git commits in Moodle 3.6.0 by Pavel Sokolov
commit f88cc4ccae09cfb5652d1b7833c8fd2559ef0ffd Author: Pavel Sokolov <pavel.m.sokolov@gmail.com> Date: Tue, 14 Aug 2018 22:18:55 +0800 Tag: v3.6.0-beta MDL-63130 message: message_count_unread_message counts sent messages