type.xmllocation is ambiguous. (it's in./usr/local/etc/ImageMagick-7/type.xml, which updates a bunch of other instances)- There's no documented step to run
yarn installbefore running the database migrations, which throw errors without some JS files in place inapp/assets. - Imagick now installs version 7; docs contain a reference to 6.
I had homebrew, RVM, and Ruby 2.7.0 installed already. Postgres server, Redis server, Mailhog were all new installs. I updated Ruby to 3.0.0. All of those went fine.