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 adds guard against DNS rebinding attacksRails 6 adds guard against DNS rebinding attacks by allowing whitelisting of hosts in config
Rails 6 removes Action View helper image_altRails 6 removes the deprecated `image_alt` helper from Action View.
Rails 6 adds tools for Action Cable testing.Rails 6 adds tools for Action Cable testing.
Rails 6 adds Active Record Relation#pickRails 6 adds `ActiveRecord::Relation#pick` to pick the first value from the named column in the relation.