Ruby on Rails v7.2.0.rc1 released!

[NewsBot]

Ruby on Rails v7.2.0.rc1 has been released.

Active Support

• Fix delegate_missing_to allow_nil: true when called with implict self

  class Person
    delegate_missing_to :address, allow_nil: true
  
    def address
      nil
    end
  
    def berliner?
      city == "Berlin"
    end
  end
  
  Person.new.city # => nil
  Person.new.berliner? # undefined local variable or method `city' for an instance of Person (NameError)
  

  Jean Boussier

Active Model

• No changes.

Active Record

• Handle commas in Sqlite3 default function definitions.

  Stephen Margheim

• Fixes validates_associated raising an exception when configured with a
  singular association and having index_nested_attribute_errors enabled.

  Martin Spickermann

• The constant ActiveRecord::ImmutableRelation has been deprecated because
  we want to reserve that name for a stronger sense of “immutable relation”.
  Please use `ActiveRec…

Link: Release 7.2.0.rc1 · rails/rails · GitHub