rails/rails — pull request #13262 by NathanielWroblewski (2013-12-11 01:42:26+00:00)
Title: AR::Base#attributes! returns hash with indifferent access

Reopening [this issue](https://github.com/rails/rails/pull/551) as @jeremy said he would consider this change for Rails 4 and as many people seem to want this change. Appended a bang so as to not break API compatibility.