* 2.1:
[Console] Add support for parsing terminal width/height on localized windows, fixes#5742
[Form] Fixed treatment of countables and traversables in Form::isEmpty()
refactor ControllerNameParser
[Form] Fixed FileType not to throw an exception when bound empty
- Test undefined index #
Maintain array structure
Check if key # is defined in $value
Update src/Symfony/Component/Validator/Resources/translations/validators.pl.xlf