| ⇢ | A | JoinOrganizationFormWidget added | |
| ⇢ | A | JoinOrganizationForm added |
| ⇢ | C | JoinController::actionExit() added | |
| ⇢ | B | JoinController::behaviors() added | |
| ⇢ | A | JoinOrganizationFormWidget::init() added | |
| ⇢ | A | JoinOrganizationForm::attributeLabels() added | |
| ⇢ | A | JoinOrganizationForm::rules() added | |
| ⇢ | A | JoinOrganizationForm::validatePassword() added | |
| ⇢ | A | JoinController::getOrganization() added | |
| ⇢ | A | JoinOrganizationFormWidget::run() added | |
| ⇢ | A | JoinOrganizationForm::init() added | |
| A | ↘ | C | JoinController::actionJoin() got worse |