symfony/symfony — pull request #5287 by hellomedia (2012-08-17 14:19:49+00:00)
Title: [Form] Fixed required value guessed by ValidatorTypeGuesser

This is fixed in 2.1, not in 2.0.
See pull request for 2.1 : https://github.com/symfony/symfony/pull/3821#issuecomment-7791066