wp-admin/includes/class-wp-internal-pointers.php:172$user_idint public static function dismiss_pointers_for_new_users( $user_id ) { add_user_meta( $user_id, 'dismissed_wp_pointers', '' ); }Introduced in 3.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-internal-pointers.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.