Rails 6 adds ActiveSupport::ParameterFilterRails 6 has moved ParameterFilter from ActionDispatch to ActiveSupport in order to support filtered attributes with ActiveRecord::Relation#inspect.
Rails 6 bulk insert recordsRails 6 adds insert_all and upsert_all methods to ActiveRecord
Rails 6 adds each_value method to ActionController::ParametersRails 6 adds each_value method to ActionController::Parameters
Rails 6 adds Purpose Metadata to CookiesRails 6 adds purpose metadata to cookies to prevent attackers from copying the value of one cookie and use it for another.
Handling attachments in Action Text in Rails 6
Rails 6 - Action Mailbox tryoutRails 6 has added Action Mailbox to process inbound emails. This post tries a deep dive trying to set it up
Rails 6 - Active Storage changesRails 6 brings in image_processing gem, support for different image types and improvements in Active Storage.
Rails 6 removes Action View helper image_altRails 6 removes the deprecated `image_alt` helper from Action View.
Rails 6 adds after_save_commitRails 6 adds after_save_commit callback shortcut.
Using bind parameters in Active Record for SQL security and performanceUsing bind parameters in Active Record for improved SQL security and performance