Sylius/Sylius — pull request #1889 by kayue (2014-09-10 10:02:02+00:00)
Title: User email as username for OAuth login.

The old `$response->getNickname()` will no longer work for **new** registered Facebook app. (ie: API version 2.0 or up)

I recommend changing default username to email instead.

See related issue: https://github.com/hwi/HWIOAuthBundle/issues/626