composer.json
"repositories": [
{
"type": "path",
"url": "/full/or/relative/path/to/development/package"
}
]
composer require "vendorname/packagename @dev"
composer.json
"repositories": [
{
"type": "path",
"url": "/full/or/relative/path/to/development/package"
}
]
composer require "vendorname/packagename @dev"