[
{ type: upgrade
  maximum_version: "0.10.0"
  message: <<EOM
Since release 0.10.0, the default config.yml configuration has been
fully replaced with a new init.lua configuration. If you have a lot of
customization in your existing config.yml, you can use xplr-yml2lua[1]
to help with the migration.

[1] https://github.com/sayanarijit/xplr-yml2lua
EOM
}
]