Rails 7 embraces importmap for JavaScript without Node.js
Rails 7 drops Webpacker in favor of importmaps and Hotwire for a simpler, modern default JavaScript experience.
GAURAV VARMA
Rails 7 adds load_async to ActiveRecord for parallel queries
Rails 7 adds `load_async` to ActiveRecord, enabling multiple queries to run in parallel via background threads.
Rails 7 adds Active Record Encryption for sensitive data
Rails 7 introduces built-in Active Record Encryption, allowing transparent encryption/decryption of sensitive attributes.
Rails 7 Adds from option to ActiveSupport::TestCase#assert_no_changes
Rails Active Support provides various extensions, utilities, and helpers. It provides a collection of utility classes...
Rails 7 adds ActiveRecord::Base#previously_persisted?
Active Record in Rails provides various methods like exists?, persisted?, destroyed? and many more...