Migrations

From v0.20.0 to higher.

Just update Gemfile and run bundle install.

From v0.19.1 to v0.20.0.

Follow the guides below:

• Deprecations: Reassignments.

• Deprecations: Some require dependency methods.

From v0.16.0 to v0.19.1.

Just update Gemfile and run bundle install.

Lower versions.

Check the CHANGELOG.