{
    "name": "doctrine/mongodb-odm-bundle",
    "type": "symfony-bundle",
    "description": "Symfony2 Doctrine MongoDB Bundle",
    "keywords": ["persistence", "mongodb", "symfony"],
    "homepage": "http://www.doctrine-project.org",
    "license": "MIT",
    "authors": [
        {"name": "Bulat Shakirzyanov", "email": "mallluhuct@gmail.com"},
        {"name": "Kris Wallsmith", "email": "kris@symfony.com"},
        {"name": "Jonathan H. Wage", "email": "jonwage@gmail.com"}
    ],
    "require": {
        "php": ">=5.3.2",
        "doctrine/mongodb-odm": "master@dev",
        "symfony/symfony": "2.0.*"
    },
    "minimum-stability": "dev",
    "autoload": {
        "psr-0": {
            "Symfony\\Bundle\\DoctrineMongoDBBundle": ""
        }
    },
    "target-dir" : "Symfony/Bundle/DoctrineMongoDBBundle"
}

{
    "name": "doctrine/mongodb-odm-bundle",
    "type": "symfony-bundle",
    "description": "Symfony2 Doctrine MongoDB Bundle",
    "keywords": ["persistence", "mongodb", "symfony"],
    "homepage": "http://www.doctrine-project.org",
    "license": "MIT",
    "authors": [
        {"name": "Bulat Shakirzyanov", "email": "mallluhuct@gmail.com"},
        {"name": "Kris Wallsmith", "email": "kris@symfony.com"},
        {"name": "Jonathan H. Wage", "email": "jonwage@gmail.com"}
    ],
    "require": {
        "php": ">=5.3.2",
        "doctrine/mongodb-odm": "@dev",
        "symfony/symfony": "2.0.*"
    },
    "minimum-stability": "dev",
    "autoload": {
        "psr-0": {
            "Symfony\\Bundle\\DoctrineMongoDBBundle": ""
        }
    },
    "target-dir" : "Symfony/Bundle/DoctrineMongoDBBundle"
}

Make mongodb-odm dependency more flexible
Make mongodb-odm dependency more flexible

To paraphrase @stof's comment in 8d68dc9ab3aefb3a9bf9af4506820a619d704d5f, "master@dev" is inferior to "@dev" (effectively "*@dev"), as "@dev" would allow use of a stable version once released.
