| ⇢ | A | StateTrackerController added |
| ⇢ | B | BackendController::getStartupModule() added | |
| ⇢ | A | StateTrackerController::mainAction() added | |
| ⇢ | A | BackendModule::getComponent() added | |
| ⇢ | A | BackendModule::setComponent() added | |
| B | ↛ | BackendController::setStartupModule() removed |