Improving Database performance and overcoming common N+1 issues in Active Record using includes, preload, eager_load, pluck, select, exists?Improving Database performance and overcoming common N+1 issues in Active Record using includes, preload, eager_load, pluck, select, exists? and reducing number of overall queries
Rails 6 adds ability to block writes to a databaseRails 6 adds the ability to block writes to a database even if the database user is able to write using connection.while_preventing_writes
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 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 adds guard against DNS rebinding attacksRails 6 adds guard against DNS rebinding attacks by allowing whitelisting of hosts in config