| ⇢ | A | CommentEventHandler added |
| ⇢ | A | CommentEventHandler::handle() added | |
| ⇢ | A | Application::registerCommentsEntity() added | |
| ⇢ | A | NotificationHelper::sendMention() added | |
| ⇢ | A | DeckProvider::parseParamForComment() added | |
| ⇢ | A | Application::registerCommentsEventHandler() added | |
| ⇢ | A | CommentEventHandler::__construct() added | |
| ⇢ | A | CommentEventHandler::activityHandler() added | |
| ⇢ | A | CommentEventHandler::notificationHandler() added | |
| B | ↘ | C | ActivityManager::findObjectForEntity() got worse |
| B | ↘ | C | Notifier::prepare() got worse |