wp-includes/widgets/class-wp-widget-tag-cloud.php:24Sets up a new Tag Cloud widget instance.
public function __construct() { $widget_ops = array( 'description' => __( 'A cloud of your most used tags.' ), 'customize_selective_refresh' => true, 'show_instance_in_rest' => true, ); parent::__construct( 'tag_cloud', __( 'Tag Cloud' ), $widget_ops ); }Introduced in 2.8.0. 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-tag-cloud.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.