| B | ↗ | A | CallableObject improved |
| B | ↘ | F | CallableDir got worse |
| ⇢ | B | CallableDir::getCallableObject() added | |
| ⇢ | B | CallableDir::createCallableObjects() added | |
| ⇢ | A | CallableDir::__construct() added | |
| ⇢ | A | CallableClass::createCallableObjects() added | |
| ⇢ | A | CallableDir::getRegisteredObject() added | |
| A | ↘ | B | CallableClass::canProcessRequest() got worse |
| A | ↘ | B | CallableClass::getScript() got worse |
| A | ↘ | B | CallableClass::getCallableObject() got worse |
| C | ↗ | A | CallableClass::register() improved |
| B | ↛ | CallableDir::registerClasses() removed | |
| B | ↛ | CallableDir::_registerClass() removed | |
| A | ↛ | CallableObject::makeCallable() removed |