| ⇢ | A | RedirectDoublesFinder added | |
| D | ↘ | F | ManageController got worse |
| ⇢ | A | ManageController::actionRedirectDoublesFinder() added | |
| ⇢ | A | RedirectDoublesFinder::attributeLabels() added | |
| ⇢ | A | RedirectDoublesFinder::findDoubles() added | |
| ⇢ | A | RedirectDoublesFinder::tableName() added |