// - Item is public or explicit mentions are disabled
// - Implicit mentions are enabled
if (
- $owner['id'] != $thread_parent_item['author-id']
+ $item['author-id'] != $thread_parent_item['author-id']
&& (empty($item['uid']) || !Feature::isEnabled($item['uid'], 'explicit_mentions'))
&& !Config::get('system', 'disable_implicit_mentions')
) {