| ⇢ | A | Users added | |
| ⇢ | A | ContactMailer added | |
| ⇢ | A | UserMailer added | |
| C | ↘ | D | UsersController got worse |
| ⇢ | B | Users::usersLoginFailed() added | |
| ⇢ | A | Users::implementedEvents() added | |
| ⇢ | A | ContactMailer::contact() added | |
| ⇢ | A | UserMailer::register() added | |
| ⇢ | A | UserMailer::login() added | |
| ⇢ | A | UserMailer::forgotPassword() added | |
| B | ↗ | A | ContactController::index() improved |