| D | ↘ | F | HandlerController got worse |
| ⇢ | C | HandlerController::add_from_existing() added | |
| ⇢ | A | HandlerController::add_create_trap_object_list() added | |
| ⇢ | A | HandlerController::add_check_hostgroup_exists() added | |
| ⇢ | A | HandlerController::add_setup_vars() added | |
| ⇢ | A | HandlerController::add_check_host_exists() added | |
| F | ↗ | B | HandlerController::addAction() improved |