Hi everyone,

I am happy to announce that Rails 4.0.4 has been released. This is a bug fix release and includes more than 290 commits.

This release is also known as “Regression Not Found” release, since no regressions are found after 4.0.4.rc1.

CHANGES since 4.0.3

To view the changes for each gem, please read the changelogs on GitHub:

• Action Mailer CHANGELOG
• Action Pack CHANGELOG
• Active Model CHANGELOG
• Active Record CHANGELOG
• Active Support CHANGELOG
• Railties CHANGELOG

Full listing

To see the full list of changes, check out all the commits on GitHub.

SHA-1

If you’d like to verify that your gem is the same as the one I’ve uploaded, please use these SHA-1 hashes:

d12ff5a5e6a92b038a81a697584e8e4022333d53  actionmailer-4.0.4.gem
c92b825d81fc8ffdd667b4141645f41df5dbba5f  actionpack-4.0.4.gem
e0de4e72d74e6d1af011445a90eff402ec08ebcb  activemodel-4.0.4.gem
e70ec2fb32672dae369c94e9ed627a694a906841  activerecord-4.0.4.gem
af0b69490effcc16f9e9d284814d947810485433  activesupport-4.0.4.gem
9d7371d66c64f9f83ef1b439dd636b166e7a59f4  rails-4.0.4.gem
3cdb34c1836bf09569cf9b2d291a737849d3f699  railties-4.0.4.gem

I’d like to thank you all, every contributor who helped with this release.