Rails
Rails 6.1.0.alpha allows relations with different SQL comments and Optimizer hints in "or"
ArgumentError used to be thrown when relations with SQL comments and Optimizer hints were combined using or. Rails edge(6.1.0.alpha) fixes that issue.
Rails makes ActiveStorage `web_image_content_types` configurable
Rails added web_image_content_types config option to ActiveStorage, which allows an application to add content types instead of letting the images be transformed into the fallback PNG format.
ACID transactions in every day applications
Breaking down the use of ACID transactions using real-life examples of systems that we employ every day.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.