Encapsulate each validation error as an Error object
ActiveModel::Error class has changed from Hash based interface to an array of Error objects.
Rails support bulk insert/upsert on relation
Rails 6.1 has added support for bulk insert/upsert on relation to preserve scope values.Rails ActionController::Parameters each_pair and each_value returns an enumerator.
Rails ActionController::Parameters each_pair and each_value now returns an enumerator when provided without a block.
Rails 6.1 adds support for signed ids to Active Record
Rails 6.1 added support for signed ids which are a tamper-proof way of identifying a bearerRails 6 adds ActiveJob::TestCase#perform_enqueued_jobs without a block
With Rails 6, we can use ActiveJob::TestCase#perform_enqueued_jobs without a block to perform jobs in tests
Rails 6.1 adds rescue_from to ActionCable::Connection::Base
The `rescue_from` on ActionCable::Connection::Base allows us to intercept unhandled exceptionsRails adds support for annotating HTML output with template file names.
Rails 6.1 has added support for adding HTML comments to the rendered output indicating where each template begins and ends.Rails 6.1 supports `if_not_exists` option for adding index
Rails 6.1 added support for if_not_exists option to add_index. The if_not_exists provided to create_table also gets propagated to all indexes getting created in the create_table block.Using Interactors in Rails
Interactors provide a common interface for performing complex user interactions.Ways for reducing Heroku slug size
Techniques for reducing Heroku slug size for Rails applications