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Google Summer of Code 2017

Are you a student, or know someone who would love to contribute to Rails? Our GSoC students application is now open! Check out our ideas page and join us on the mailing list for discussion.

The RailsConf 2017 schedule is live!

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Add default option to belongs_to

The :default option adds a before_validation callback that initializes the association with the given lambda’s return value:
belongs_to :person, default: -> {​ Current.person }​

Add support to duplicable Rational and Complex

This is a work ahead of the upcoming Ruby changes.

Allow Time#to_time on frozen objects

This fixes an issue with frozen that has been around since Rails 4.

Allow order to be given expressions as hash keys

The Active Record order method is no longer restricted to attribute names. It now accepts expressions like:
Post.order("LENGTH(title)" => :asc).last