*   ActionView extracted from ActionPack

    *Piotr Sarnacki*, *Łukasz Strzałkowski*

*   Fix removing trailing slash for mounted apps #3215

    *Piotr Sarnacki*

Please check [4-0-stable](https://github.com/rails/rails/blob/4-0-stable/actionpack/CHANGELOG.md) for previous changes.