Rails 6.1 adds query method missing to find orphan records

Rails 6.1 adds ActiveRecord::Relation#missing query method to find orphan records

Ruby 2.7 allows placing of comment lines between fluent dots

Ruby 2.7 allows placing of comment lines between chained methods. It facilitates easier debugging and also allows adding a separate comment for one or more chained methods.

Webpacker is the new default in Rails 6

Webpacker is the new default JavaScript compiler instead of Sprockets in Rails 6

Ruby 2.7 fixed the parsing for multiple assignment with `rescue` modifier

Ruby 2.7 fixed how the `rescue` modifier was parsed in multiple assignment statement.

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

Ruby 2.7 deprecates Regexp#match and Regexp#match? with a nil argument

Ruby 2.7 has deprecated Regexp#match and Regexp#match? with a nil argument. It will raise a TypeError in the next release.

Ruby 2.7 reverts the deprecation of flip-flop operator

Ruby 2.7 reverts the deprecation of flip-flop operator

Ruby 2.7 allows calling a private method with self.

Ruby 2.7 allows calling a private method with a literal self as the receiver.

Ruby 2.7 - Time#inspect separated from Time#to_s

Ruby 2.7 separated Time#inspect from Time#to_s and added sub seconds

Rails 6 adds ability to block writes to a database

Rails 6 adds the ability to block writes to a database even if the database user is able to write using connection.while_preventing_writes