symfony/symfony-docs — pull request #3887 by xabbuh (2014-05-28 18:00:25+00:00)
Title: [Components][Form] add versionadded for the data collector form extension

| Q | A
| ------------- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | 2.4+
| Fixed tickets |

As @ahsio pointed out in #3886, the data collector extension was added to the Form component in Symfony 2.4.