wp-includes/class-wp-plugin-dependencies.php:121Initializes by fetching plugin header and plugin API data.
public static function initialize() { if ( false === self::$initialized ) { self::read_dependencies_from_plugin_headers(); self::get_dependency_api_data(); self::$initialized = true; } }Introduced in 6.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-plugin-dependencies.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.