| B | ↗ | A | EventManager improved |
| C | ↗ | B | Map improved |
| A | ↛ | ControlManager::setMap() removed | |
| A | ↛ | EventManager::setMap() removed | |
| A | ↛ | LayerManager::setMap() removed | |
| A | ↛ | ControlManager::hasMap() removed | |
| A | ↛ | ControlManager::getMap() removed | |
| A | ↛ | EventManager::hasMap() removed | |
| A | ↛ | EventManager::getMap() removed | |
| A | ↛ | LayerManager::hasMap() removed | |
| A | ↛ | LayerManager::getMap() removed |