{
    "name": "neos/welcome",
    "type": "neos-package",
    "description": "This package provides a start screen for the Flow framework with links to online resources.",
    "license": "MIT",
    "require": {
        "neos/flow": "~4.0"
    },
    "autoload": {
        "psr-4": {
            "Neos\\Welcome\\": "Classes"
        }
    },
    "replace": {
        "typo3/welcome": "self.version"
    }
}

{
    "name": "neos/welcome",
    "type": "neos-package",
    "description": "This package provides a start screen for the Flow framework with links to online resources.",
    "license": "MIT",
    "require": {
        "neos/flow": "~4.0 || dev-master"
    },
    "autoload": {
        "psr-4": {
            "Neos\\Welcome\\": "Classes"
        }
    },
    "replace": {
        "typo3/welcome": "self.version"
    }
}

Mark as compatible to Flow dev-master, too
TASK: Mark as compatible to Flow dev-master, too