• If you use symfony 2.2 or less, configure your composer.json with:
• "a2lix/translation-form-bundle": "0.*@dev"

--> Documentation: https://github.com/a2lix/TranslationFormBundle/blob/0.x/README.md

• If you use symfony 2.3 or more, configure your composer.json with :
• "a2lix/translation-form-bundle": "1.*@dev" if you need to use the old Gedmo strategy
• "a2lix/translation-form-bundle": "2.*@dev" otherwise (Manage wip2.4 Gedmo, A2lix, Knp and Prezent strategy)

--> New Documentation: http://a2lix.fr/bundles/translation-form/