wp-includes/widgets/class-wp-widget-media.php:325Render the media on the frontend.
$instancearray abstract public function render_media( $instance );Introduced in 4.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/widgets/class-wp-widget-media.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.