Version_Selector
Class: Used to select package versions.
Source: vendor/automattic/jetpack-autoloader/src/class-version-selector.php:7
Version_Selector::is_version_update_required()
Method: Checks whether the selected package version should be updated. Composer development package versions (‘9999999-dev’ or versions that start with ‘dev-‘) are favored when the JETPACK_AUTOLOAD_DEV constant is set to true.
Source: vendor/automattic/jetpack-autoloader/src/class-version-selector.php:21
Version_Selector::is_dev_version()
Method: Checks whether the given package version is a development version.
Source: vendor/automattic/jetpack-autoloader/src/class-version-selector.php:54