wp-includes/script-loader.php:661Registers all the WordPress packages scripts.
$scriptsWP_Scriptsfunction wp_default_packages( $scripts ) { wp_default_packages_vendor( $scripts ); wp_register_development_scripts( $scripts ); wp_register_tinymce_scripts( $scripts ); wp_default_packages_scripts( $scripts ); if ( did_action( 'init' ) ) { wp_default_packages_inline_scripts( $scripts ); }}Introduced in 5.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/script-loader.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.