Hi Randy, a few days ago I got an answer concerning the plugin from Juan Leyva:
Re: Configurable Report for Moodle up to 3.5
von Juan Leyva - Montag, 4. Februar 2019, 13:36
I just posted in another thread that Sara Arjona from Moodle HQ is working on 3.6 support for this plugin, see my complete message: https://moodle.org/mod/forum/discuss.php?d=367925#p1539700
Thank you for caring with your answer, I think you are right!