Rails
Rails support bulk insert/upsert on relation
Rails 6.1 has added support for bulk insert/upsert on relation to preserve scope values.Rails Parameters each_pair/each_value
Rails ActionController::Parameters each_pair and each_value now returns an enumerator when provided without a block.Rails 6.1 Adds Signed IDs to Active Record
Rails 6.1 added support for signed ids which are a tamper-proof way of identifying a bearerRails 6 perform_enqueued_jobs Without Block
With Rails 6, we can use ActiveJob::TestCase#perform_enqueued_jobs without a block to perform jobs in testsRails 6.1 Adds rescue_from to ActionCable
The `rescue_from` on ActionCable::Connection::Base allows us to intercept unhandled exceptionsRails Adds HTML Template Annotations
Rails 6.1 has added support for adding HTML comments to the rendered output indicating where each template begins and ends.Rails 6.1 Adds if_not_exists for Indexes
Rails 6.1 adds if_not_exists option to add_index, propagating from create_table to indexes in the same block.Using Interactors in Rails Applications
Interactors provide a common interface for performing complex user interactions.Ways for reducing Heroku slug size
Techniques for reducing Heroku slug size for Rails applicationsRails Adds Descending Order to Batch Methods
Rails 6.1 adds order option to find_each, find_in_batches, and in_batches for ascending or descending processing.