| ⇢ | A | SendEmails added | |
| A | ↘ | B | MailQueueHandler got worse |
| ⇢ | C | MailQueueHandler::sendEmails() added | |
| ⇢ | B | SendEmails::execute() added | |
| ⇢ | A | SendEmails::configure() added | |
| ⇢ | A | SendEmails::__construct() added | |
| A | ↘ | C | MailQueueHandler::getAffectedUsers() got worse |
| C | ↛ | EmailNotification::runStep() removed |