[ANN] Rails 4.2.8 has been released!

[Rafael Mendonça França]

Hi everyone,

I am happy to announce that Rails 4.2.8 has been released.

This is the first version of the 4.2 series that officially support Ruby 2.4.

## CHANGES since 4.2.7.1

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

* [Action Mailer CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/actionmailer/CHANGELOG.md)

* [Action Pack CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/actionpack/CHANGELOG.md)

* [Action View CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/actionview/CHANGELOG.md)

* [Active Job CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/activejob/CHANGELOG.md)

* [Active Model CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/activemodel/CHANGELOG.md)

* [Active Record CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/activerecord/CHANGELOG.md)

* [Active Support CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/activesupport/CHANGELOG.md)

* [Railties CHANGELOG](https://github.com/rails/rails/blob/v4.2.8/railties/CHANGELOG.md)

*Full listing*

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

GitHub](https://github.com/rails/rails/compare/v4.2.7.1...v4.2.8).

## 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.

Here are the checksums for 4.2.8:

```

$ shasum *-4.2.8.gem

cc7ae3c4dcefa6143fab312c0f1f49739665c6d0  actionmailer-4.2.8.gem

185fce7ae0e740dba3282118ab3485a734fbe29b  actionpack-4.2.8.gem

723f43d0d5e07d884fe73241195ede30e63c692a  actionview-4.2.8.gem

5743c76b7ebcb91e93c6ed1af3bf97e5888253fa  activejob-4.2.8.gem

b82e9fe90171934f3fb16b44b6f15abc5e2e942b  activemodel-4.2.8.gem

d794a4c91a5d1eef1dcccb5c8fb2db554e4c2b35  activerecord-4.2.8.gem

7f3383216dd88dd9317447d619a7c671aa362115  activesupport-4.2.8.gem

4e0e486fee35547a7d00f3149634513e8fc2a7e9  rails-4.2.8.gem

ec16b696985663f5e67bbeeb9acf331f3eb3892b  railties-4.2.8.gem

```

As always, huge thanks to the many contributors who helped with this release.