| F | ↗ | D | Request improved |
| ⇢ | C | Request::filterHeaders() added | |
| ⇢ | B | MigrateController::refreshDatabase() added | |
| ⇢ | A | BaseMigrateController::actionFresh() added | |
| ⇢ | A | Request::getRemoteIP() added | |
| ⇢ | A | Request::getRemoteHost() added | |
| ⇢ | A | BaseMigrateController::refreshDatabase() added | |
| D | ↗ | C | Response::getHttpRange() improved |