Don’t forget the quiet learners just because they aren’t demanding your attention. In Canvas, this becomes easier due to all of the innovative ways that you can differentiate to serve the needs of all learners. Instructure recommends PostgreSQL 9.5 or newer, on which the production guide is predicated. Later on you’ll give Canvas the user information to allow them to create and udpate the tables. The AGPLv3 seeks to shut a loophole found within the otherwise similar GPL license.