Test scenario: Create a new freshly install site Once all good, enable the communication sub-system from experimental settings Go to Plugins> Communication Confirm you can see the Matrix plugin and its enabled Disable the matrix plugin Confirm the plugin is disabled Enable the matrix plugin Confirm the plugin is enabled Create a course Go to More > Communication for that course Confirm you can not see Matrix in the list of providers Set up the Matrix server using the simplified docker setup: https://github.com/andrewnicols/moodle-synapse Go to the created course Go to More > Communication for that course Confirm you can see Matrix in the list of providers